INDEX

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Note: Page number followed by f and t indicates figure and table respectively.

A

Abetalipoproteinemia, 307–308, 422

clinical features, 307

histopathology, 307

laboratory features, 307

molecular genetics and pathogenesis, 307–308

treatment, 308

Accutane. See Isotretinoin

Acetazolamide

in HYPOKPP1, 818–819

in potassium-sensitive periodic paralysis, 812

Acetazolamide-responsive myotonia, 814

clinical features, 814

histopathology, 814

laboratory features, 814

molecular genetics and pathogenesis, 814

treatment, 814

Acetylcholine receptors (AChR), 581, 622

deficiency, 632

Acetylcholinesterase (AChE), 629

Achilles’ tendon reflexes, 674

Acid maltase deficiency, 745

Acromegaly, 474, 877–878

clinical features, 474, 877–878

histopathology, 474, 878

laboratory features, 474, 878

pathogenesis, 474, 878

treatment, 474, 878

Acrylamide, neuropathy by, 457

Acute brachial plexus neuritis, 16

Acute fatty liver of pregnancy (AFLP), 764

Acute flaccid paralysis (AFP) from polio virus, 224

clinical features, 224–225, 225f

diagnosis, 225–226

differential diagnosis, 225–226, 225t, 226t

histopathology, 22

laboratory features, 226–227

natural history, 225

pathogenesis, 227

treatment, 227

Acute inflammatory demyelinating polyradiculoneuropathy (AIDP), 320–327

autonomic testing, 324

childhood, 327

clinical features, 320–323, 321t

electrophysiologic criteria for demyelination, 322, 323t

epidemiology and antecedent illness, 320

histopathology, 324, 325f

laboratory features, 322f, 323, 323t

motor conduction studies, 323–324

needle electromyographic examination, 324

nerve fiber, 325f

pathogenesis, 324–325, 326f

sensory conduction studies, 324

treatment, 325–327, 327t

Acute motor axonal neuropathy (AMAN), 328–330

clinical features, 329

epidemiology, 328–329

histopathology, 329, 330f

laboratory features, 329

pathogenesis, 330

treatment, 330

Acute motor–sensory axonal neuropathy (AMSAN), 327–328

clinical features, 327

histopathology, 328

laboratory features, 328

pathogenesis, 328

treatment, 328

Acute organophosphate and carbamate poisoning, 643–645

clinical features, 643–644

diagnosis and differential diagnosis, 644

histology, 644

laboratory features, 644

pathogenesis, 644

treatment, 644–645

Acute quadriplegic myopathy (AQM), 899–902

clinical features, 899–900

histopathology, 900–901, 901f

laboratory features, 900, 900f

pathogenesis, 901

treatment, 902

Acute treatment–induced painful neuropathy, 473

Acyl-CoA deficiency, 763

Adaptive sports, 148, 149f

ADC. See Apparent diffusion coefficient (ADC)

Adenine nucleotide translocator (ANT), 786

Adipose triglyceride lipase (ATGL), 766

ADQ. See Abductor digiti quinti (ADQ)

Adrenal hypoplasia congenita (AHC), 667–668

Adrenal insufficiency, 877

Adrenoleukodystrophy (ALD), 203, 301–303

clinical features, 301–302

histopathology, 303, 303f

laboratory features, 302–303, 303f

molecular genetics and pathogenesis, 303

treatment, 303

Adrenomyeloneuropathy (AMN), 203, 301–303

clinical features, 301–302

histopathology, 303

laboratory features, 302–303

molecular genetics and pathogenesis, 303

treatment, 303

Adult polyglucosan body disease (APBD), 310–311

clinical features, 310

histopathology, 310–311, 312f, 313f

laboratory features, 310, 311f

molecular genetics and pathogenesis, 311

Aerobic and strengthening exercise, 145, 145t

definition and description of, 145–146

in McArdle disease, 147–148

studies on, 146

in ALS, 146

in Charcot-Marie-Tooth disease, 146

in dystrophinopathies, 146–147

in FSHD, 147

in inflammatory myopathies, 147

in mitochondrial myopathies, 147

in myotonic dystrophy, 147

Aerobic forearm exercise, in mitochondrial disorders, 779

AFLP. See Acute fatty liver of pregnancy (AFLP)

AFOs. See Ankle-foot-orthoses (AFOs)

AFP. See Acute flaccid paralysis

Agrin, 635

deficiency, 631

AHC. See Adrenal hypoplasia congenita (AHC)

Albuterol, 636

Alcoholic myopathy, 903–904

Alcoholic neuropathy, 423–424

clinical features, 423

histopathology, 423

pathogenesis, 423–424

treatment, 424

Alcohol-related peripheral neuropathy, 462

ALD. See Adrenoleukodystrophy (ALD)

Aldolase A deficiency. See Glycogenosis type XII

Alemtuzumab, 115t, 120–121

α-dystroglycan, 662, 679

clinical features, 679

histopathology, 679

imparied glycoslylation of, 683

laboratory features, 679

molecular genetics and pathogenesis, 679

Alpha B-crystallin, 702

Alpha-interferon, 897

ALS. See Amyotrophic lateral sclerosis (ALS)

ALS functional rating scale (ALSFRS-R), revised, 191

American Academy of Neurology (AAN), 679

American Association of Neuromuscular and Electrodiagnostic Medicine (AANEM), 679

American College of Sports Medicine (ACSM), on exercise, 145, 146

Aminopyridines, in LEMS treatment, 626

Amiodarone myopathy, 893

Amiodarone neuropathy, 452

AMN. See Adrenomyeloneuropathy (AMN)

Amyloid myopathy, 880–882

clinical features, 880–881

histopathology, 881–882

laboratory features, 881

pathogenesis, 882

treatment, 882

Amyloid polyneuropathy, 393–397, 393t, 394f

Amyotrophic lateral sclerosis (ALS), 15, 174–193

characteristics, 174

clinical features, 178–182

bulbar-onset disease, 180

fasciculations, 178–179

frontotemporal dysfunction and ALS, 181

hand atrophy, 178, 178f

head drop, 178, 178f

LMN manifestations, 179

lower motor neuron dominant (LMN-D) ALS, 179, 180

tongue atrophy, 179, 179f

UMN manifestations, 179

diagnosis and differential diagnosis, 182–185, 182t

El Escorial criteria (EEC), 174, 175t

epidemiology, 177–178

exercise studies in, 146

familial ALS (fALS), 175–177, 176t

SOD mutations in, 177t, 189–190

and frontotemporal lobar degeneration (FTLD), 174, 177

histopathology, 188–189, 188f

incidence, 177

international consensus conferences on, 174–175

laboratory features, 185–187, 186f, 187f

management, 190–193, 192t

pathogenesis, 189–190

sporadic ALS (sALS), 174

Andersen disease, 748

Andersen–Tawil syndrome (ATS), 804, 819–820

clinical features, 819–820

histopathology, 820

laboratory features, 820

molecular genetics and pathogenesis, 820

treatment, 820

Anesthetica paresthetica, 420–421

Angiofollicular lymph node hyperplasi. See Castleman disease

Angiokeratoma corporis diffusum. See Fabry disease

Angiotrophic large-cell lymphoma, 431

Ankle-foot-orthoses (AFOs), 144, 151–152, 152f, 568

Anoctamin-5, 662, 678

clinical features, 678

histopathology, 678

laboratory features, 678

molecular genetics and pathogenesis, 678

ANST. See Autonomic nervous system testing (ANST)

ANT. See Adenine nucleotide translocator (ANT)

Antabuse, 453–454

Anterior interosseous syndrome, 526, 526t

Anti-MDA-5 antibody, 835

Antimicrotubular myopathies, 893–894

colchicine, 893, 894f

vincristine, 893–894

Antineuronal nuclear antibodies, 486

Antineutrophil cytoplasmic antibodies (ANCAs), 371

Antinuclear antibodies (ANAs), 834

Antisaccade testing, 182

Antivenin, 646

APBD. See Adult polyglucosan body disease (APBD)

Apolipoprotein A1-related amyloidosis, 397

Apparent diffusion coefficient (ADC), 784

AQM. See Acute quadriplegic myopathy (AQM)

Arachnoiditis, 561

Arsenic toxicity, 461

Arthrogryposis, 728

Arthropods, 646–647

venom and effects, 646–647

Ashkenazi population, 748

Ashworth spasticity scale, 146

Ataluren, in dystrophinopathies treatment, 667

Ataxia-telangiectasia, 308

clinical features, 308

histopathology, 308

laboratory features, 308

molecular genetics and pathogenesis, 308

Ataxia with oculomotor apraxia

type 1 (AOA1), 308

type 2 (AOA2), 308–309

ATGL. See Adipose triglyceride lipase (ATGL)

ATPase stain, 96

Atropine, 644

ATS. See Andersen–Tawil syndrome (ATS)

Augmentative and alternative communication (AAC) technology, 142

Autoimmune autonomic neuropathy, 333–334

clinical features, 333

histopathology, 333

laboratory features, 333

pathogenesis, 333–334

treatment, 334

Autoimmune myasthenia gravis (MG). See Myasthenia gravis (MG)

Autoimmunity, 114

Autonomic nervous system testing (ANST), 57–61

Autonomic neuropathy

diabetic, 468–470

HIV-related, 413

paraneoplastic, 430

Autosomal recessive cardiomyopathy and ophthalmoplegia (ARCO), 786

clinical features, 786

histopathology, 786

laboratory features, 786

molecular genetics, 786

treatment, 786

Axial weakness, rehabilitation approach for, 160

Axilla roll slings, 150

Axillary crutch, 154, 154f

Axillary nerve, 498, 499f

Axillary neuropathies, 522–523, 522t

Axonotmesis, 504

Azathioprine, 115t, 117t, 121–122

for CIDP, 350t, 352

for inflammatory myopathies, 861–862

Azidothymidine (AZT) myopathy, 894–895, 895f

B

Backpack/rucksack palsy, 516, 519

Back pain, 539–540

Baclofen, in hereditary spastic paraparesis, 204, 205t

Bacterial infections, myositis with, 856

BAD. See Bibrachial amyotrophic diplegia (BAD)

Balanced forearm orthosis, 150

Balance training, 145t, 148

Baseball-cap orthosis, 150

Bassen–Kornzweig disease. See Abetalipoproteinemia

Bathing and toileting, adaptive equipment for, 157–158, 158f

BCL2-associated athanogene 3 (BAG3), 702

Becker muscular dystrophy (BMD), 656, 664–665

clinical features, 664

histopathology, 665, 665f

laboratory features, 664, 664f

Bed mobility, 158–159

Beevor sign, 688

Behçet syndrome, 376. See also Vasculitic meuropathies

Bell palsy, 642

Benign focal amyotrophies (BFAs), 216–218. See also Hirayama disease

B-enolase deficiency. See Glycogenosis type XIII

Bent spine, 695–696

clinical features, 695

histopathology, 695, 695f

laboratory features, 695

pathogenesis, 695

treatment, 695–696

Benzodiazepines, in hereditary spastic paraparesis, 204, 205t

Bergmann glia, 624

Beriberi. See Thiamine deficiency

Bethlem myopathy, 682, 694–695

clinical features, 694

histopathology, 694

laboratory features, 694, 694f

molecular genetics and pathogenesis, 694–695

treatment, 695

BFAs. See Benign focal amyotrophies (BFAs)

Bibrachial amyotrophic diplegia (BAD), 180

Biceps tendinopathy, 912–914

diagnosis, 913, 913f

symptoms, 913

treatment, 913–914, 914f

Bicycle ergometry test, in mitochondrial disorders, 779

BIG. See Botulism immune globulin (BIG)

Biopsy. See also Muscle biopsies; Nerve biopsies; Skin biopsies

muscle, 86–100

nerve, 100–111

skin, 111–112

Blood testing, 61–62

for myopathy, 63

for peripheral neuropathy, 62–63

BMD. See Becker muscular dystrophy (BMD)

Bobath slings, 150

Bone marrow transplantation, peripheral neuropathy in, 438

Bortezomib, toxic neuropathy with, 442–443

clinical features, 442

histopathology, 443

laboratory features, 442

pathogenesis, 443

Botulinum toxin, 638, 640

Botulinum toxin type A, in hereditary spastic paraparesis, 204, 205t

Botulism, 18, 636–637

clinical features, 637–638

clinical presentation, 637

diagnosis and differential diagnosis, 638–639

foodborne, 637

hidden, 638

histopathology, 639–640

inadvertent, 638

infantile, 637

laboratory features, 639

pathogenesis, 640

treatment, 640–641

wound, 638, 641

Botulism immune globulin (BIG), 640

Braces. See Orthoses

Brachial plexopathies, 431–433, 494f, 505t, 512, 642

backpack/rucksack palsy, 516, 519

burners/stingers, 519

hereditary neuralgic amyotrophy, 519

immune-mediated brachial plexus neuropathy, 514–515

lateral cord, 513

lower trunk, 513

medial cord, 513–514

middle trunk, 512–513

MRI of brachial plexus, 508f, 512

with neoplasms, 516, 519

metastatic plexopathy of breast carcinoma, 516, 518f

primary tumors, 516

radiation-induced plexopathy, 516

Schwannomas, 516, 518f

secondary tumors, 516

neurogenic thoracic outlet syndrome, 515–516, 517f

obstetrically related plexopathies, 515

perioperative plexopathies, 519

posterior cord, 513

surgical treatment, 519

upper trunk, 512

Brachial plexus, 491–492, 494f, 495f, 496t

Brain–computer interfaces (BCIs), 168

Branching enzyme deficiency, 748–750

Brody disease, 239–240, 821–822

Brown–Vialetto–Van Laere (BVVLS) syndrome, 213

Bruns–Garland syndrome. See Diabetic amyotrophy

Bunina body, 189

Burners and stingers, 519

Bursitis

greater trochanteric, 918–919

pes anserine, 919–920

Butyrylcholinesterase, 644

BVVLS syndrome. See Brown-Vialetto-Van Laere (BVVLS) syndrome

C

Caenorhabditis elegans, 675

Calcium channel blockers, for cardioprotection, 645

Calcium channelopathies, 815–819

Calcium, disorders of, 880

Calf hypertrophy, 662, 664, 670, 671, 681. See also Becker muscular dystrophy (BMD)

and telethonin, 675

California Infant Botulism Treatment and Prevention Program, 640

Calpain-3, 661, 671–673

causes, 673

clinical features, 671, 672f

histopathology, 672

laboratory features, 672, 673f

molecular genetics and pathogenesis, 673

Camptocormia, rehabilitation approach in, 160

Cancer, immunosuppressive therapy and, 120

Canes, 153, 154f

CAP disease, 734

clinical features, 734

histopathology, 734

laboratory features, 734

molecular genetics and pathogenesis, 734

treatment, 734

Carbamate toxicity, 638

Carbohydrate metabolism, disorders of, 742–754, 743t

Carbon disulfide, neuropathy by, 457

Carbon fiber dorsiflexion assist orthosis, 151, 152f

Cardiomyopathy and dystrophinopathies, 675. See also Sarcoglycanopathies

Cardiorespiratory fitness training, 145

Carfilzomib, 443

Carnitine, in rhabdomyolysis attack prevention, 763

Carnitine palmitoyltransferase 1 (CPT1), 758

Carnitine transporter deficiency, 761–762

cause, 761

clinical features, 761

histopathology, 761, 762f

laboratory features, 761

molecular genetics and pathogenesis, 761–762

treatment, 762

Carpal spasm, 252

Carpal tunnel syndrome (CTS), 526–528, 526t, 527f

Carpometacarpal (CMC) joint osteoarthritis (OA), 916–917

diagnosis, 916, 916f

symptoms, 916

treatment, 916–917

Castleman disease, 436

Caveolae, 657f, 660

Caveolin-3, 670

causes, 670

clinical features, 670

histopathology, 670

laboratory features, 670

molecular genetics and pathogenesis, 670

CDK. See Cyclin-dependent kinases (CDK)

Celiac disease, 389

clinical features, 389

histopathology, 389

laboratory features, 389

pathogenesis, 389

treatment, 389

Cellcept. See Mycophenolate mofetil (MMF)

Central core myopathy, 719–722, 720t–721t, 724. See also Core-rod myopathy

clinical features, 719

histopathology, 719, 721–722, 722f

laboratory features, 719

molecular genetics and pathogenesis, 722

treatment, 722

Centronuclear myopathy, 728–730

clinical features, 728–729

histopathology, 729–730, 729f, 730f

laboratory features, 729

molecular genetics and pathogenesis, 730

treatment, 730

Cerebral palsy, 203

Cerebro-ocular dysplasia. See Walker-Warburg syndrome (WWS)

Cerebrospinal fluid (CSF) analysis, 75

in meningoencephalitis, 228

in poliomyelitis, 226

in subacute motor neuronopathy, 234

Cerebrotendinous xanthomatosis

clinical features, 305

histopathology, 306

laboratory features, 305–306

molecular genetics and pathogenesis, 306

treatment, 306

Cervical orthoses, 149–150

Cervical radiculopathies, 507, 510–511

causes of, 505t

C5 radiculopathy, 507, 510

C6 radiculopathy, 510–511

C7 radiculopathy, 511

C8/T1 radiculopathy, 511

multiple, 511

Cervical spondylitic myelopathy, 184

CFS. See Cramp-fasciculation syndrome (CFS)

Chanarin–Dorfman syndrome, 765, 765f

Charcot–Marie–Tooth (CMT) disease, 184, 264–289, 266t, 267f, 268f, 559, 670

CMT1 (type 1), 264, 265t

clinical features, 264, 266, 269f

CMT1A, 269–270

CMT1B, 270

CMT1C, 271

CMT1D, 271

CMT1E, 271

CMT1F, 271

CMT1G, 271

evoked potentials, 268

histopathology, 268–269, 269f, 270f

laboratory features, 266

molecular genetics and pathogenesis, 269–271

motor NCS, 266–268

motor nerve unit estimates, 268

needle electromyography, 268

nerve conduction studies (NCS) in, 266–268

sensory NCS, 268

CMT2 (type 2), 264, 265t, 272

clinical features, 272–274

histopathology, 274

laboratory features, 273–274

molecular genetics and pathogenesis, 274–275

subtypes of, 273–274

CMT3 (type 3), 275–276

histopathology, 276

laboratory features, 276

molecular genetics and pathogenesis, 276–277

CMT4 (type 4), 276–277

clinical features, 277

histopathology, 277–278, 278f, 279f

laboratory features, 276–277

molecular genetics and pathogenesis, 277–279

CMT1X

clinical features, 280

histopathology, 280–281

laboratory features, 280

molecular genetics and pathogenesis, 281

CMT2X, 281

DI-CMT (dominant intermediate CMT), 265t, 275

exercise studies in, 146

genetic testing in, 288–289

HMSN-Lom/CMT4D, 279–280

RI-CMT (recessive intermediate CMT), 265t, 275

subtypes of, 264, 265–266t

X-linked CMT, 280–281

ChAT. See Choline acetyltransferase (ChAT)

Chemotherapy agents, and toxic neuropathy, 438, 439t

bortezomib, 442–443

carfilzomib, 443

cisplatin, 438–440, 439t

cytosine arabinoside, 442

docetaxel, 441

etoposide, 440

ifosfamide, 442

oxaliplatin, 440

paclitaxel, 441

suramin, 441–442

vincristine, 440

vinorelbine, 440

Childhood bulbar syndromes, 213

Chlorambucil, 115t

for inflammatory myopathies, 862

Chloride channelopathies, 804–815

Chloroquine myopathy, 892, 892f

Chloroquine neuropathy, 451, 452f

Chlorothiazide, in potassium-sensitive periodic paralysis treatment, 812

Cholestanolosis. See Cerebrotendinous xanthomatosis

Cholesterol-lowering drugs, and toxic myopathies, 887–890

ezetimibe, 890

fibric acid derivatives, 890

HMG-CoA reductase inhibitors, 887, 889–890, 889f

niacin, 890

Choline acetyltransferase (ChAT), 629

deficiency, 631

Cholinesterase inhibitors, 636, 646

Chronic, idiopathic, length-dependent sensory or sensorimotor polyneuropathy, 478–485

clinical features, 478

histopathology, 480–481, 483f, 484, 484f

laboratory features, 478–480, 479t, 480f, 481f, 482t, 483f

pathogenesis, 484

treatment, 484–485, 485t

Chronic immune sensory polyradiculopathy (CISP), 357–359

clinical features, 357

histopathology, 359, 359f

laboratory features, 357, 358f

treatment, 359

Chronic inflammatory demyelinating polyradiculoneuropathy (CIDP), 321, 322, 340–352, 341t

clinical features, 340–342

diagnosis and differential diagnosis, 343–345, 343t

electrodiagnostic features, 346

motor conduction studies, 346–347

needle electromyography, 347

sensory conduction studies, 347

histopathology, 347, 348f

laboratory features, 346

medical conditions associated with, 346t

pathogenesis, 347–350, 349f

and related neuropathies, 340–360

treatment, 350–352, 350t

Chronic liver disease, 391

Churg–Strauss syndrome (CSS), 375, 375f. See also Vasculitic meuropathies

Chvostek sign, 252, 876

Cimetidine, 896

Cisplatin, sensory neuropathy with, 438–440, 439t

clinical features, 438

histopathology, 438

laboratory features, 438

pathogenesis, 438, 440

Clostridium botulinum, 638

CMAP. See Compound muscle action potential (CMAP)

CMS. See Congenital myasthenic syndrome (CMS)

CMT. See Charcot–Marie–Tooth syndrome (CMT)

Coats’ disease, 688

Cobalamin deficiency, 419–420

clinical features, 419

histopathology, 419

laboratory features, 419, 420f

pathogenesis, 419–420

treatment, 420

Cobrotoxin, 645

Cockayne syndrome, 309

Cock-up splint, 151, 151f

Cogan’s lid twitch, 11, 584

Colchicine myopathy, 893, 894f

Colchicine neuropathy, 452–453

Collagen VI deficiency, 695

Collars, 149–150

Common fibular (peroneal) neuropathy, 572

Comparative gene identification- 58 (CGI-58), 766

Compartment syndromes, 573–574

Complementation, defined, 775

Compound muscle action potential (CMAP), 22, 25–27, 622. See also Electrodiagnosis (EDX)

Congenital fiber-type disproportion, 730–731

clinical features, 730

histopathology, 731, 731f

laboratory features, 731

molecular genetics and pathogenesis, 731

treatment, 731

Congenital hypomyelinating neuropathy, 276–277

Congenital indifference to pain, 287

Congenital insensitivity to pain with anhidrosis, 287

Congenital Lambert–Eaton like myasthenic syndrome, 631

Congenital muscular dystrophy (MDC), 662, 680

associated with genetic defects of structural proteins

merosin deficiency, 681–682

merosin-positive classic MDC, 682

associated with imparied glycoslylation, 683

associated with selenoprotein N1 mutations

rigid spine syndrome, 685

categories, 680

diagnosis and treatment, 685, 686f–687f

Congenital myasthenic syndrome (CMS), 620, 627t

clinical features, 626–633

diagnosis and differential diagnosis, 633–634

diagnostic clues, 628t–629t

histopathology, 634–635

pathogenesis, 635–636

postsynaptic, 631–633

presynaptic, 631

synaptic, 631

treatment, 636

Congenital myopathy, 719–737, 720t–721t

Congenital myotonic dystrophy, 797

Congestive heart failure (CHF), 663

Connective tissue diseases, neuropathies associated with, 384–387

mixed connective tissue disease, 387

rheumatoid arthritis, 386

scleroderma, 387

Sjögren syndrome, 384–386

systemic lupus erythematosus, 386–387

Connective tissue disease, vasculitis associated with, 376. See also Vasculitic meuropathies

Conotoxins, 647

Contiguous gene syndrome, 667

Contractures, rehabilitation program for, 164

Copper deficiency, 203, 422–423

clinical features, 422

histopathology, 423

laboratory features, 423

pathogenesis, 423

treatment, 423

Coral snakes, 645

Core-rod myopathy, 724

clinical features, 724

histopathology, 724, 725f

laboratory features, 724

molecular genetics and pathogenesis, 724

treatment, 724

Cori–Forbes disease, 747

Corticosteroids, 115t, 122–123

adverse effects, 123

in CIDP, 122, 350t, 351

in dystrophinopathies, 666

in inflammatory myopathies, 858–860

management considerations, 123

mechanism of action, 122

in MG, 122

uses, 122–123

in vasculitic neuropathy, 378–379

Corynebacterium diphtheriae, 410. See also Diphtheritic neuropathy

COX. See Cytochrome oxidase (COX)

CPT1. See Carnitine palmitoyltransferase 1 (CPT1)

CPT2 deficiency, 762

clinical features, 762

histopathology, 762

laboratory features, 762

molecular genetics and pathogenesis, 762

treatment, 762

Cramp–fasciculation syndrome (CFS), 238–243

clinical features, 238–239

diagnosis and differential diagnosis, 239–240, 240t

histopathology, 242–243

laboratory features, 240–242, 242f

pathogenesis, 243

treatment, 243

Cramps, 238–243

benign, 238

clinical features, 238–239

diagnosis and differential diagnosis, 239–240, 240t

histopathology, 242–243

laboratory features, 240–242

pathogenesis, 243

pathologic, 238

treatment, 243, 244t

Creatine kinase (CK), 663

Creatine monohydrate, 751

CREST syndrome, 387, 842

Cricopharyngeal myotomy, 696–697

CRIM. See Cross-reactive immunologic material (CRIM)

Critical illness myopathy (CIM), 392

Critical illness neuropathy, 899–902

Critical illness polyneuropathy (CIP), 392–393

clinical features, 392

histopathology, 392–393

laboratory features, 392

pathogenesis, 393

treatment, 393

Crohn disease, 389

Cross-reactive immunologic material (CRIM), 747

Crutches, 154, 154f

Cryoglobulinemia, vasculitis associated with, 377. See also Vasculitic meuropathies

Cryoglobulins, 377

CV155 protein, 227

Cyclin-dependent kinases (CDK), 702

Cyclophosphamide, 115t, 117t, 124

for CIDP, 350t

for inflammatory myopathies, 862

Cyclosporine, 115t, 117t, 124–125

for CIDP, 350t, 352

for inflammatory myopathies, 862–863

necrotizing myopathy by, 891

Cysticercosis, 857–858

Cytochrome oxidase (COX), 773

Cytosine arabinoside, toxic neuropathy with, 442

clinical features, 442

histopathology, 442

laboratory features, 442

pathogenesis, 442

D

DADS neuropathy. See Distal acquired demyelinating sensorimotor (DADS) neuropathy

Danon disease, 756

cause, 756

clinical features, 756

histopathology, 756

laboratory features, 756

molecular genetics and pathogenesis, 756

treatment, 756

Dantrolene, in hereditary spastic paraparesis, 204, 205t

DAP. See Dystrophin-associated proteins (DAP)

Dapsone, neuropathy by, 454

Davidenkow syndrome, 219–220

clinical features, 219

differential diagnosis, 219

electrodiagnosis, 220

histopathology, 220

laboratory features, 219–220

management, 220

pathogenesis, 220

Debranching enzyme deficiency, 747–748

Deflazacort, 666

Degenerative spine disease, 540

Dehydroepiandrosterone sulfate (DHEAS), 799

Dejérine–Sottas disease, 275–276

Dendrotoxin, 645

De novo mutations, 693

Deoxynucleoside triphosphates (dNTP), 776

De Quervain syndrome, 915–916

diagnosis, 915–916, 916f

symptoms, 915

treatment, 916

Dermacentor andersoni, 641

Dermacentor variabilis, 641, 641f

Dermatome, 491, 495f

Dermatomyositis (DM), 827–838. See also Inflammatory myopathies

associated manifestations

cardiac, 832

gastrointestinal, 832

joints, 832, 834

malignancy, 834

pulmonary, 832

vasculopathy, 834

clinical features, 827, 831–832, 833f, 834f

calcinosis, 832, 834f

Gottron’s papules, 832, 833f

heliotrope rash, 832, 833f

electrophysiological features, 836

histopathology, 836–837, 836f, 837f

laboratory features, 834–835, 835t

muscle biopsies in, 100, 101f

pathogenesis, 837–838

prognosis, 838

Desmin, 660, 670–671, 679, 702

clinical features, 670–671

histopathology, 671

laboratory features, 671

molecular genetics and pathogenesis, 671

De Toni–Fanconi–Debré syndrome, 787

DHEAS. See Dehydroepiandrosterone sulfate (DHEAS)

Diabetes mellitus (DM), 466, 878. See also Diabetic neuropathy

Diabetic amyotrophy, 471–472

clinical features, 471

histopathology, 471, 471f

laboratory features, 471

pathogenesis, 472

treatment, 472

Diabetic cachexia, 563

Diabetic lumbosacral radiculoplexus neuropathy (DLRPN), 563–564

Diabetic muscle infarction, 878–879

clinical features, 878

histopathology, 878, 879f

laboratory features, 878

pathogenesis, 878

treatment, 879

Diabetic neuropathic cachexia (DNC), 470

clinical features, 470

histopathology, 470

laboratory features, 470

treatment, 470

Diabetic neuropathy, 62–63, 466–473, 467t

acute treatment–induced painful neuropathy, 473

autonomic neuropathy, 468–470

diabetic neuropathic cachexia, 470

diabetic polyradiculopathy/radiculoplexus neuropathy, 470–473

distal symmetric sensory polyneuropathy, 466–468

mononeuropathies/multiple mononeuropathies, 473

Diabetic radiculoplexopathy, 16

3,4 diaminopyridine (3,4 DAP), 625

in botulism treatment, 641

in LEMS treatment, 626

Dichlorfenamide, in potassium-sensitive periodic paralysis, 812

DI-CMTB. See Dominant intermediate Charcot–Marie–Tooth disease type B(DI-CMTB)

Diffuse fasciitis with eosinophilia, 851–852

clinical features, 851

histopathology, 851–852, 851f

laboratory features, 851, 851f

pathogenesis, 852

prognosis and treatment, 852

Dihydropyridine receptor, 661

Diphtheritic neuropathy, 410–411

clinical features, 410

histopathology, 410

laboratory features, 410

pathogenesis, 411

treatment, 411

Disorders of neuromuscular transmission (DNMT), 22, 32–35, 620, 621t. See also Electrodiagnosis (EDX)

Distal acquired demyelinating sensorimotor (DADS) neuropathy, 340, 341t, 353–354

clinical features, 353–354

histopathology, 354

laboratory features, 354

pathogenesis, 354

treatment, 354

Distal myopathy, 697, 698f

with KLHL9 mutations, 700

with nebulin mutations, 700

treatment, 701

with VCPDM, 700–701

clinical features, 700–701

histopathology, 701

laboratory features, 701

molecular genetics and pathogenesis, 701

Distal spinal muscular atrophy (dSMA), 184, 218

classification, 218

clinical features, 218

differential diagnosis, 218

electrodiagnosis, 219

histopathology, 219

laboratory features, 219

management, 219

pathogenesis, 219

Distal symmetric polyneuropathy (DSP), HIV-related, 411–412, 412f

Distal symmetric sensory polyneuropathy (DSPN), 54–55, 466–468

clinical features, 466

histopathology, 467–468, 467f, 468f

laboratory features, 466–467

pathogenesis, 468, 469f

treatment, 468, 470t

Disulfiram neuropathy, 453–454

DM. See Dermatomyositis (DM)

DM1. See Dystrophica myotonia type 1 (DM1)

DM2. See Dystrophica myotonia type 2 (DM2)

DMD. See Duchenne muscular dystrophy (DMD)

DNAJB6, 670

clinical features, 670

histopathology, 670

laboratory features, 670

molecular genetics and pathogenesis, 670

DNA mutational analysis, 63–64, 65–68t

DNMT. See Disorders of neuromuscular transmission (DNMT)

dNTP. See Deoxynucleoside triphosphates (dNTP)

Docetaxel

clinical features, 441

histopathology, 441

laboratory features, 441

pathogenesis, 441

Dok-7, 631

Dok-7 deficiency, 632

Dok-7 myasthenia, 635

Dolichyl-phosphate N-acetylglucosaminephos-photransferase 1 (DPAGT1), 629, 633

Dominant intermediate Charcot–Marie–Tooth disease type B(DI-CMTB), 729

Dopa-responsive dystonia, 185

Dorsal root ganglionopathies, 15

Dorsal scapular nerve, 493, 497f

injury to, 520

D-Penicillamine, 896

Dressing, adaptive equipment for, 157, 158f

Drisapersen, in dystrophin expression, 667

Driving, vehicle modifications for, 159

Drooling, 638

Dropped head syndrome, 695–696

clinical features, 695

histopathology, 695, 695f

laboratory features, 695

pathogenesis, 695

treatment, 695–696

Drug-induced hypersensitivity vasculitis, 377, 377f. See also Vasculitic meuropathies

Drug-induced hypokalemic myopathy, 902

Drug-induced inflammatory myopathies, 895–897

alpha-interferon, 897

cholesterol-lowering agents, 895

cimetidine, 896

D-penicillamine, 896

eosinophilia–myalgia syndrome, 895–896

imatinib mesylate, 897

lamotrigine, 897

L-Dopa, 897

phenytoin, 897

procainamide, 896

toxic oil syndrome, 896

tumor necrosis factor alpha blockers, 897

Drug-induced mitochondrial myopathy, 894–895

dSMA. See Distal spinal muscular atrophy (dSMA)

Duchenne muscular dystrophy (DMD), 656, 662–663

clinical features, 662–663, 662f

histopathology, 663, 663f, 664f

laboratory features, 663

Durable medical equipment (DME), 144

Dynamin-2 (DYN2), 729

Dysarthria, 167, 621

neuromuscular disorders and, 167

and rehabilitation plan, 167–168

Dysautonomia, 623, 637

Dysferlin, 657f, 660, 673–675

clinical features, 673–674, 674f

histopathology, 674

laboratory features, 674, 674f

molecular genetics and pathogenesis, 675

in white blood cell, 674

Dysferlinopathy, 675. See also Dysferlin

Dysphagia, 166. See Dysarthria

esophageal, 166

management, 166–167

neuromuscular diseases and, 166

oropharyngeal, 166

and rehabilitation plan, 166–167

symptoms, 166

Dystrobrevin, 656

Dystroglycan complex, 656

Dystrophica myotonia type 1 (DM1), 797–799

associated manifestations, 797–798

clinical features, 797, 798f

histopathology, 798–799, 798f

laboratory features, 798, 798f

molecular genetics and pathogenesis, 799

treatment, 799

Dystrophica myotonia type 2 (DM2), 799–801

associated manifestations, 800

clinical features, 799–800

histopathology, 800

laboratory features, 800

molecular genetics and pathogenesis, 800–801

treatment, 801

Dystrophin, 146, 656, 657f

in brain, 656

carboxy-terminal domain of, 656

Dystrophin-associated proteins (DAP), 656

Dystrophin–glycoprotein complex, 656, 657f

Dystrophinopathies

Becker muscular dystrophy, 664–665

DMD, GKD, and adrenal hypoplasia congenita, 667–668

Duchenne muscular dystrophy, 662–663

electrodiagnostic testing, 663

exercise studies in, 146–147

limb-girdle muscular dystrophy, 668

molecular genetics and pathogenesis, 666

outliers, 665

treatment, 666–667

women carriers, 665–666

E

Eating and self-care, adaptive equipment for, 156–157, 157f

EBS. See Epidermolysis bullosa simplex (EBS)

Eculizumab, 115t, 125

EDMD. See Emery-Dreifuss muscular dystrophy (EDMD)

Edrophonium, in tick paralysis treatment, 642

Edrophonium testing, 600–602, 633

EDX. See Electrodiagnosis (EDX)

Elapid envenomation, 646, 647

Electrodiagnosis (EDX), 15, 22–56, 504–505

basic principles

normative data, 24–25

other considerations, 25

physician skill and knowledge, 22

safety considerations, 22, 24

temperature considerations, 22, 23f

test construction and reporting, 24

timing considerations, 25

electrodiagnostic localization, 51–55, 52t

examination, performance of, 25

Lambert-Eaton myasthenic syndrome, 622–623, 622f

motor NCS, 505–506

needle EMG, 41, 506–507

insertional and spontaneous activity, 41–46, 42f–44f, 44t, 45t

motor unit action potential analysis, 46–47, 46f

motor unit action potential recruitment, 47

single fiber EMG (SFEMG) and other techniques, 47–50, 49f

nerve conduction studies

F waves and H reflexes, 30–32, 31f, 32f, 506

motor nerve conductions, 25–27, 27f, 28f, 29f

motor unit number estimates, 40–41

repetitive nerve stimulation, 32–34, 33f, 34f

sensory nerve conductions, 27–30, 30f

short- and long-exercise tests, 34–40, 35f, 36f, 37t, 38f–41f

nerve conduction studies (NCS), 504t

pathophysiology of nerve injury and, 50–51

as prognostic tool, 55–56

sensory NCS, 505, 505t

somatosensory-evoked potentials, 506

value and limitations of, 51

Electroencephalography, 683

of Walker-Warburg syndrome, 684

Electrolyte imbalance, myopathies associated with, 879–880, 879t

hypercalcemia, 880

hyperkalemia, 879–880

hypermagnesemia, 880

hypokalemia, 879

hypomagnesemia, 880

hypophosphatemia, 880

Electromyography (EMG), 22. See also Electrodiagnosis (EDX)

Electron-transferring flavoprotein (ETF), 760

Emerin, 661, 670, 691

Emery–Dreifuss muscular dystrophy (EDMD), 164, 661

autosomal-recessive, 693

causes, 693

clinical features, 693

histopathology, 693

laboratory features, 693

molecular genetics and pathogenesis, 693

characteristics of, 691

Emetine hydrochloride, 899

Endocrine myopathies, 872–877

adrenal disorders, 876–877

adrenal insufficiency, 877

hyperparathyroidism

and motor neuron disease, 875

and osteomalacia, 874–875

hypoparathyroidism, 875–876

hypothyroid myopathy, 873–874

parathyroid disorders, 874–876

steroid myopathy, 876–877

thyroid disorders, 872–874

thyrotoxic myopathy, 872–873

Endocrinopathies, neuropathies associated with, 466–475, 467t

acromegaly, 474

diabetic neuropathy, 466, 467t

acute treatment–induced painful neuropathy, 473

autonomic neuropathy, 468–470

diabetic neuropathic cachexia, 470

diabetic polyradiculopathy/radiculoplexus neuropathy, 470–473

distal symmetric sensory polyneuropathy, 466–468

mononeuropathies/multiple mononeuropathies, 473

hypoglycemia/hyperinsulinemia, 473–474

hypothyroidism, 474–475

End plate AChE deficiency, 633

Envenomations

arthropods, 646–647

drugs and metabolic disturbances, 647–648

marine envenomations, 647

snakes, 645–646

Environmental modifications, for function and quality of life, 159–160

Enzymatic proteins, 661–662

Enzyme replacement therapy (ERT), 747

Eosinophilia–myalgia syndrome, 895–896

Eosinophilic myopathy, 850–851

clinical features, 850

differential diagnosis, 850

histopathology, 850, 850f

laboratory features, 850

pathogenesis, 850

prognosis and treatment, 850–851

Epidermolysis bullosa simplex (EBS), 632

Erb palsy, 515

ERT. See Enzyme replacement therapy (ERT)

Erythema nodosum leprosum, 409

Erythromelalgia

clinical features, 287

histopathology, 287–288

laboratory features, 287

molecular genetics and pathogenesis, 288

treatment, 288

Escobar syndrome, 626, 632

Etanercept, 115t, 125–126

for inflammatory myopathies, 863

Eteplirsen, 667

ETF. See Electron-transferring flavoprotein (ETF)

Ethambutol, neuropathy by, 455–456

Ethylene oxide, neuropathy by, 458

Etoposide, toxic neuropathy with

clinical features, 440

histopathology, 440

laboratory features, 440

pathogenesis, 440

E3-ubiquitine ligase, 661, 675–676

clinical features, 675–676

histopathology, 676

laboratory features, 676

molecular genetics and pathogenesis, 676

Eulenburg disease. See Paramyotonia congenita (PMC)

Evidence-based medicine, 114

Examination. See Neuromuscular examination

Exercise, 144–145. See also specific type

adaptive sports, 148

aerobic and strengthening exercise, 145–148

balance training, 148

flexibility training, 145

recommendations for, 148, 150t

types of, 145t

Exercise forearm testing, 752, 755. See also Glycogenosis type VII

Extracorporeal shock wave therapy (ESWT), 921

Ezetimibe, myopathies by, 890

F

FA. See Friedreich ataxia (FA)

Fabry disease, 301

clinical features, 301, 301f

histopathology, 301, 302f

laboratory features, 301

molecular genetics and pathogenesis, 301

treatment, 301

Facial onset sensory and motor neuronopathy, 487–488

clinical features, 487

histopathology, 487

laboratory features, 487

pathogenesis, 488

treatment, 488

Facioscapulohumeral muscular dystrophy (FSHD), 18, 685–690, 688

clinical features, 685–688, 688f

diagnosis, 690

exercise studies in, 147

histopathology, 688–689, 689f

infantile-onset, 688

laboratory features, 688

molecular genetics and pathogenesis, 689–690, 689f

treatment, 690

FAD. See Flavin adenine dinucleotide (FAD)

Falls, rehabilitation program in, 162

fALS. See Familial amyotrophic lateral sclerosis (fALS)

Familial amyloid polyneuropathy (FAP), 395–397

apolipoprotein A1-related amyloidosis, 397

TTR-related amyloidosis, 395–397

Familial amyotrophic lateral sclerosis (fALS), 705

Familial dysautonomia, 286–287

Familial episodic pain syndrome

type 1, 288

type 2, 288

type 3, 288

Familial hypokalemic periodic paralysis type 2, 814–815

clinical features, 814

histopathology, 814

laboratory features, 814

treatment, 815

Fasciculations, 238–243

clinical features, 238–239

diagnosis and differential diagnosis, 239–240, 240t

histopathology, 242–243

laboratory features, 240–242, 241f

pathogenesis, 243

treatment, 243

Fasciculin, 645

Fasciotomy, 646

Fast channel syndromes, 633

Fazio Londe syndrome, 213

FCMD. See Fukuyama congenital muscular dystrophy (FCMD)

FDC. See Functional dual coating (FDC)

Femoral nerve, 541f, 542, 544, 546f, 548f

Femoral neuropathy, 570–571

Fiberoptic endoscopic evaluation of swallowing (FEES), 143, 166

Fibric acid derivatives, myopathies by, 890

Fibrofatty replacement, 669

Fibromyalgia, 882–883

Fibular (peroneal) nerve, 542f, 546, 549f

Filamin-C, 703

Finasteride myopathy, 898–899

Finger–nose test, 14

Fingerprint body myopathy, 732

clinical features, 732

histopathology, 732

laboratory features, 732

molecular genetics and pathogenesis, 732

treatment, 732

Finkelstein test, 915, 916f

Flavin adenine dinucleotide (FAD), 759

Flexibility training, 145, 145t

Flick sign, 526

Floor reaction orthoses (FROs), 152, 152f

Floppy infant, 629

Fluoroquinolones, neuropathy by, 456

Focal mitochondrial depletion, 790–791

clinical features, 790

histopathology, 790–791

laboratory features, 790

molecular genetics and pathogenesis, 791

treatment, 791

Focal myositis, 853–854

clinical features, 853

histopathology, 853

laboratory features, 853, 854f

pathogenesis, 854

Folate deficiency, 421

Foodborne botulism, 637

Foot abnormalities, rehabilitation approach for, 163–164

Foot drop, rehabilitation of, 162–163

Forearm crutch, 154, 154f

Forearm exercise test, 19, 779

Freeze-fracture analysis, 624

Friedreich ataxia (FA), 203, 306

clinical features, 306

histopathology, 306

laboratory features, 306

molecular genetics and pathogenesis, 306

treatment, 306

Frontotemporal lobar degeneration (FTLD), 174, 177, 189. See also Amyotrophic lateral sclerosis (ALS)

FROs. See Floor reaction orthoses (FROs)

FSHD. See Facioscapulohumeral muscular dystrophy (FSHD)

FTLD. See Frontotemporal lobar degeneration (FTLD)

Fukutin, 661, 678, 683

Fukutin-related protein (FKRP), 661

Fukuyama congenital muscular dystrophy (FCMD), 661, 683

clinical features, 683

laboratory features, 683

molecular genetics and pathogenesis, 683

Functional dual coating (FDC), 639

Fungal myositis, 857

F-wave, 30–32, 31f, 506

G

Gastric/bariatric surgery, peripheral neuropathy with, 422

Gastrocnemius muscles, 688

GBS. See Guillain–Barré syndrome (GBS)

Gelsolin-related amyloidosis, 397

clinical features, 397, 398f

histopathology, 397

molecular genetics and pathogenesis, 397

treatment, 397

Gene therapy, in dystrophinopathies treatment, 666–667

Genetic counseling, in hereditary spastic paraparesis, 205

Genitofemoral nerve, 541–542, 541f, 546f

Genitofemoral neuropathy, 569

GFPT1. See Glutamine-Fructose-6-Phosphate Transaminase 1 (GFPT1)

Giant axonal neuropathy, 309–310

clinical features, 309

histopathology, 309, 310f

laboratory features, 309

molecular genetics and pathogenesis, 310

Giant cell arteritis, 373. See also Vasculitic meuropathies

Gitelman syndrome, 817

Gleevec. See Imatinib mesylate

Globoid cell leukodystrophy. See Krabbe disease

Glue sniffer’s neuropathy, 458–459, 459f

l-Glutamic acid decarboxylase (GAD), 257

Glutamine-Fructose-6-Phosphate Transaminase 1 (GFPT1), 629, 633

Glutaric aciduria type II. See Multi-acyl-CoA dehydrogenase deficiency (MADD)

Gluten-induced enteropathy. See Celiac disease

Glyceraldehyde 3-phosphate, 755

Glycerol kinase, 667

Glycerol kinase deficiency (GKD), 667–668

Glyceroluria, 667

Glycogen branching enzyme (GBE1), 750

Glycogenin 1 deficiency. See Glycogenosis type XV

Glycogenoses, 742

Glycogenosis type 0, 742–743

clinical features, 742–743

histopathology, 743

laboratory features, 743

molecular genetics and pathogenesis, 743

treatment, 743

Glycogenosis type II, 743–747

clinical features, 745

histopathology, 745–746, 746f

laboratory features, 745

molecular genetics and pathogenesis, 746–747

treatment, 747

Glycogenosis type III, 747–748

cause, 747

clinical features, 747

histopathology, 747–748

laboratory features, 747

molecular genetics and pathogenesis, 748

treatment, 748

Glycogenosis type IV, 748–750

cause, 748

clinical features, 748

histopathology, 748, 749f

laboratory features, 748

molecular genetics and pathogenesis, 750

treatment, 750

Glycogenosis type V, 750–751

clinical features, 750

histopathology, 750

laboratory features, 750

molecular genetics and pathogenesis, 750–751

treatment, 751

Glycogenosis type VII, 751–752

clinical features, 751

histopathology, 752

laboratory features, 752

molecular genetics and pathogenesis, 752

treatment, 752

Glycogenosis type VIII/IX, 752

clinical features, 752

histopathology, 752

laboratory features, 752

molecular genetics and pathogenesis, 752

treatment, 752

Glycogenosis type X, 753

clinical features, 753

histopathology, 753

laboratory features, 753

molecular genetics and pathogenesis, 753

treatment, 753

Glycogenosis type XI, 753

clinical features, 753

histopathology, 753

laboratory features, 753

molecular genetics and pathogenesis, 753

treatment, 753

Glycogenosis type XII, 753–754

clinical features, 753

histopathology, 753

laboratory features, 753

molecular genetics and pathogenesis, 753

treatment, 754

Glycogenosis type XIII, 754

clinical features, 754

histopathology, 754

laboratory features, 754

molecular genetics and pathogenesis, 754

treatment, 754

Glycogenosis type XIV, 754

clinical features, 754

histopathology, 754

laboratory features, 754

molecular genetics and pathogenesis, 754

treatment, 754

Glycogenosis type XV, 754

clinical features, 754

histopathology, 754

laboratory features, 754

molecular genetics and pathogenesis, 754

treatment, 754

Glycogen storage diseases (GSD), 19–20, 742

Glycolytic pathways, 744f. See also Glycogenosis type 0

GNE myopathy, 699, 704. See also Nonaka distal myopathy

Gold therapy, neuropathy by, 461

Gomori trichrome stain, 702, 726, 780

Gout syndrome, 392, 757

Gower maneuver, 745

Gowers sign, 719

Graft-versus-host disease (GVHD), 438

Granulomatosis with polyangiitis, 376. See also Vasculitic meuropathies

Granulomatous myositis, 852, 852f

Greater trochanteric bursitis, 918–919

diagnosis, 918–919, 918f

symptoms, 918

treatment, 919

GSD. See Glycogen storage diseases (GSD)

Guanidine

in botulism treatment, 641

in LEMS treatment, 626, 647

Guillain–Barre syndrome (GBS), 320–334, 639

acute inflammatory demyelinating polyradiculoneuropathy, 320–327

axonal GBS

acute motor axonal neuropathy (AMAN), 328–330

acute motor–sensory axonal neuropathy (AMSAN), 327–328

immune mechanisms in, 326f

and related disoders, 320, 321t

autoimmune autonomic neuropathy, 333–334

idiopathic sensory neuronopathy, 331–332

Miller Fisher syndrome, 330–331

small fiber neuropathies, 332–333

Guyon’s canal, 502

H

Hand splints, 151, 151f

Hand weakness, rehabilitation approach for, 161–162

Hansen disease. See Leprosy

Hawkins test, 911, 912f

HBAT. See Heptavalent botulinum antitoxin (HBAT)

Head ptosis, rehabilitation approach in, 160

HELLP. See Hemolysis, elevated liver enzymes, low platelets (HELLP)

Hemolysis, elevated liver enzymes, low platelets (HELLP), 764

Heptavalent botulinum antitoxin (HBAT), 640

Hereditary ataxias, 299t, 306

abetalipoproteinemia, 307–308

ataxia-telangiectasia, 308

ataxia with oculomotor apraxia type 1, 308

ataxia with oculomotor apraxia type 2, 308–309

Cockayne syndrome, 309

Friedreich ataxia, 306

vitamin E deficiency, 306–307

Hereditary IBM Type 3, 704–705

clinical features, 704

histopathology, 705

laboratory features, 705

molecular genetics and pathogenesis, 705

Hereditary inclusion body myopathies (H-IBM), 704

with cerebral hypomyelination, 705

with Paget disease and frontotemporal dementia, 705

causes, 705

Hereditary inclusion body myopathies with Paget disease and frontotemporal dementia (h-IBMPFD)

clinical features, 705

histopathology, 705

laboratory features, 705

molecular genetics and pathogenesis, 705

Hereditary inclusion body myopathy 2 (h-IBM2), 704

clinical features, 704

histopathology, 704

laboratory features, 704

molecular genetics and pathogenesis, 704

treatment, 704

Hereditary myopathy with early respiratory failure, 677–678

clinical features, 677–678

histopathology, 678

laboratory features, 678

molecular genetics and pathogenesis, 678

Hereditary myopathy with early respiratory failure (HMERF), 676

Hereditary neuralgic amyotrophy (HNA), 281–282, 519

clinical features, 281

histopathology, 282

laboratory features, 282

molecular genetics and pathogenesis, 282

Hereditary neuropathy with liability to pressure palsies (HNPP), 269, 270f, 271–272

clinical features, 271–272

histopatholgy, 272, 272f

laboratory features, 272

molecular genetics and pathogenesis, 272

Hereditary neuropathy with neuromyotonia, 282

Hereditary sensory and autonomic neuropathies (HSANs), 282–284, 283t

HSAN1

clinical features, 284

histopathology, 284, 285f

laboratory features, 284

molecular genetics and pathogenesis, 284

HSAN2

clinical features, 284, 286f

histopathology, 285, 286f

laboratory features, 284

molecular genetics and pathogenesis, 285–286

HSAN3

clinical features, 285–286

histopathology, 286

laboratory features, 286

molecular genetics and pathogenesis, 286–287

HSAN4

clinical features, 287

histopathology, 287

laboratory features, 287

molecular genetics and pathogenesis, 287

HSAN5

clinical features, 287

histopathology, 287

molecular genetics and pathogenesis, 287

Hereditary spastic paraparesis (HSP), 184, 199–206, 200t–201t

clinical features, 199, 202

circumducting leg with equinovarus foot posturing, 199, 201f

hammer toes and cavus deformity, 199, 201f

complicated, 199

differential diagnosis, 202–203

histopathology, 204

laboratory features, 203

management, 204–206, 205t

pathogenesis, 204

uncomplicated, 199

Herpes varicella-zoster (HVZ) infection, neuropathy with, 414–415

clinical features, 414

histopathology, 414

laboratory features, 414

pathogenesis, 414

treatment, 415

Hexacarbon toxicity, 458–459

Hexosaminidase A deficiency, 185

h-IBM2. See Hereditary inclusion body myopathy 2 (h-IBM2)

Hidden botulism, 638

Highly active antiretroviral therapy (HAART), 895

Hip joint osteoarthritis, 917–918

diagnosis, 917–918, 917f

symptoms, 917

treatment, 918

Hirayama disease, 183, 216

clinical features, 216

asymmetric forearm and hand atrophy, 216, 216f

tremor and cold paresis, 216

differential diagnosis, 216–21

electrodiagnosis, 217

histopathology, 217

laboratory features, 217

management, 217–218

pathophysiology, 217

History taking, 3–10. See also Neuromuscular disorders

ankle weakness, 7

autonomic system function impairment, symptoms of, 9–10

elbow flexion and extension weakness, 7

extraocular muscle involvement, 7

facial weakness, 7, 8t

hip flexion, weakness of, 7

hypoventilation symptom, 8–9

jaw weakness, 7

knee extensor weakness, 7

lower motor neuron disorders, 6–7

motor symptoms, 3, 9

muscle weakness, 4t–6t, 5

neck muscles, weakness of, 8, 8t

pain history, 10

ptosis, 7, 7t

questioning in, 5

scapula, weakness of, 8, 8t

sensory symptoms, 3–4, 9

shoulder girdle weakness, 7

symptoms identification, 5

system review, 5

tongue weakness, 7–8

UMN involvement, 6

ventilatory muscle weakness, 8, 8t

wrist and digit weakness, 7

HIV. See Human immunodeficiency virus (HIV)

HMERF. See Hereditary myopathy with early respiratory failure (HMERF)

HMG-CoA reductase inhibitors, myopathies by, 887, 889–890, 889f

HMSN IV. See Refsum disease

HMSN-Lom, 279–280

HNA. See Hereditary neuralgic amyotrophy (HNA)

HNPP. See Hereditary neuropathy with liability to pressure palsies (HNPP)

Holocyclotoxin, 643

Holter monitoring, 667

Horner syndrome, 491

H reflex, 30–32, 32f, 506, 622

HSP. See Hereditary spastic paraparesis (HSP)

Hu antigens, 428

Human Genome Organization, 680

Human immunodeficiency virus (HIV), 854–855

peripheral neuropathy with, 411–414, 411t

autonomic neuropathy, 413

distal symmetric polyneuropathy, 411–412

inflammatory demyelinating polyneuropathy, 412

multiple mononeuropathies, 413

progressive polyradiculopathy, 412–413

sensory neuronopathy/ganglionopathy, 413–414

Human T-leukemia virus 1 (HTLV-1), 414, 855

Humeral cuff slings, 150

Hutchinson–Gilford progeria syndrome, 670

Hyaline body myopathy, 732–734

clinical features, 732

histopathology, 733, 733f

laboratory features, 733

molecular genetics and pathogenesis, 733–734

treatment, 734

Hydroxychloroquine myopathy, 892

Hydroxychloroquine neuropathy, 451–452

Hypercalcemia, 880

Hyperekplexia, 258–259

clinical features, 258

diagnosis and differential diagnosis, 258

histopathology, 259

laboratory features, 258–259

pathogenesis, 259

treatment, 259

Hypereosinophilic syndrome (HES), 390, 850

Hyperglycerolemia, 667

Hyperkalemia, 879–880

Hypermagnesemia, 648, 880

Hyperparathyroidism

and motor neuron disease, 875

and osteomalacia, 874–875

Hypersensitivity vasculitis, 377, 377f. See also Vasculitic meuropathies

Hypertension and tick paralysis, 642

Hyperuricemic syndromes, 757

Hypoglycemia/hyperinsulinemia, 473–474

clinical features, 473

histopathology, 474

laboratory features, 473–474

pathogenesis, 474

treatment, 474

Hypokalemia, 879

HYPOKPP1. See Primary hypokalemic periodic paralysis type 1 (HYPOKPP1)

Hypomagnesemia, 880

Hypoparathyroidism, 875–876

clinical features, 875–876

histopathology, 876

laboratory features, 876

pathogenesis, 876

treatment, 876

Hypophosphatemia, 423, 880

Hypothyroidism, 474–475

clinical features, 474

histopathology, 474

laboratory features, 474

pathogenesis, 474

treatment, 474

Hypothyroid myopathy, 873–874

clinical features, 873

histopathology, 874

laboratory features, 873–874

pathogenesis, 874

treatment, 874

Hypotonia, 638

I

IBM. See Inclusion body myositis (IBM)

Ice therapy, 914, 914f, 919

Idiopathic polyneuropathies, 478–488

chronic, idiopathic, length-dependent sensory or sensorimotor polyneuropathy, 478–485

facial onset sensory and motor neuronopathy, 487–488

idiopathic sensory neuronopathy/ganglionopathy, 485–487

idiopathic small fiber sensory neuronopathy, 487

Idiopathic sensory neuronopathy, 485–487

clinical features, 485–486

histopathology, 486

laboratory features, 486

pathogenesis, 486

treatment, 486–487

Idiopathic sensory neuronopathy/ganglionopathy, 331–332

clinical features, 331

histopathology, 332

laboratory features, 332

pathogenesis, 332

treatment, 332

Idiopathic sensory/sensorimotor polyneuropathy with cancer, 430–431

clinical features, 430

histopathology, 430

laboratory features, 430

pathogenesis, 430–431

treatment, 431

Idiopathic small fiber sensory neuronopathy, 487

clinical features, 487

histopathology, 487

laboratory features, 487

pathogenesis, 487

treatment, 487

Ifosfamide, 442

IGRA. See Interferon (IFN) gamma release assay (IGRA)

Iliohypogastric nerve, 541, 546f

Iliohypogastric neuropathy, 569

Ilioinguinal nerve, 541, 546f

Ilioinguinal neuropathy, 568–569

Imaging, nerve and muscle, 75–78

Imatinib mesylate, 897

Immune-mediated brachial plexus neuropathy (IBPN), 514–515

Immune-mediated necrotizing myopathy (IMNM), 848–849. See also Inflammatory myopathies

clinical features, 848–849

histopathology, 849, 849f

laboratory features, 849

pathogenesis, 849

treatment, 849

Immunohistochemistry, 92–93, 94f

Immunomodulating therapy, 114–131

drugs used, 115–116t

general considerations, 114, 116, 118

immunosuppressive therapy, 117t

individual treatments modalities, 120

alemtuzumab, 120–121

azathioprine, 121–122

corticosteroids, 122–123

cyclophosphamide, 124

cyclosporine, 124–125

eculizumab, 125

etanercept, 125–126

infliximab, 126

interferon α and β, 126

intravenous immunoglobulin, 126–128

methotrexate, 128–129

mycophenolate mofetil, 129–130

plasma exchange, 130

rituximab, 130–131

tacrolimus, 131

in MG, 605–608

risk considerations with, 118–120

cancer, 120

infectious disease, 118–120

Pneumocystis jirovecii, 118–119

pregnancy and children, 120

progressive multifocal leukoencephalopathy, 119

stongyloidiasis, 119–120

tuberculosis, 119

vaccines, 120

Immunomodulation, definition of, 114. See also Immunomodulating therapy

Immunosuppression, definition of, 114. See also Immunomodulating therapy

Immunosuppressive therapy, 859t. See also Immunomodulating therapy

for vasculitic neuropathy, 378–379

IMNM. See Immune-mediated necrotizing myopathy (IMNM)

Impaired glucose tolerance (IGT), 466–467, 478

Inborn errors of metabolism, biochemical testing for, 64, 68, 69t

Inclusion body myositis (IBM), 18, 663, 843–848. See also Inflammatory myopathies

associated manifestations, 844

clinical features, 843–844, 843f

differential diagnosis, 848

electrophysiological studies, 845

histopathology, 845–847, 845f–847f

laboratory features, 844, 844f, 845f

pathogenesis, 847–848

prognosis, 848

role of exercise in, 147

Infantile botulism, 637

Infantile neuroaxonal dystrophy, 310

Infantile spinal muscular atrophies, non-SMN, 212–213

Infection, neuropathies associated with, 404–415, 405t

cytomegalovirus infection, 414

diphtheritic neuropathy, 410–411

Epstein–Barr virus infection, 414

hepatitis viruses, 414

herpes varicella-zoster (HVZ) infection, 414–415

HIV infection, 411, 411t

autonomic neuropathy, 413

distal symmetric polyneuropathy, 411–412

inflammatory demyelinating polyneuropathy, 412

multiple mononeuropathies, 413

progressive polyradiculopathy, 412–413

sensory neuronopathy/ganglionopathy, 413–414

human T-lymphocyte type 1 (HTLV-1) infection, 414

leprosy, 404–409

Lyme disease, 409–410

Infection-related vasculitis, 376. See also Vasculitic meuropathies

Infiltrating tumors, 431, 432f, 433f

Inflammatory bowel disease, 389

Inflammatory demyelinating polyneuropathy, HIV-related, 412

Inflammatory myopathies, 827–863

bacterial infections, 856

Behcet’s disease, 853

Bohan and Peter criteria, 827, 832t

clinical and laboratory features, 828t

dermatomyositis, 827–838

diagnostic criteria, 829–831t

diffuse fasciitis with eosinophilia, 851–852

eosinophilic myopathy, 850–851

European neuromuscular center 2011 workshop criteria, 831t

exercise studies in, 147

focal myositis, 853–854

fungal myositis, 857

granulomatous and giant cell myositis, 852

immune-mediated necrotizing myopathy, 848–849

incidence, 827

inclusion body myositis, 843–848

myositis associated with Lyme disease, 856

overlap syndrome, 841–843

parasitic infections

cysticercosis, 857–858

toxoplasmosis, 858

trichinosis, 857, 857f

polymyositis, 838–841

sarcoid myopathy, 852–853

treatment, 858–863

azathioprine, 861–862

chlorambucil, 862

concurrent management, 860

corticosteroids, 858–860

cyclophosphamide, 862

cyclosporine, 862–863

etanercept, 863

infliximab, 863

intravenous immunoglobulin, 861

methotrexate, 861

mycophenylate mofetil, 862

plasmapheresis or leukapheresis, 863

rituximab, 862

second-line therapies, 860

tacrolimus, 863

thymectomy, 863

total body irradiation, 863

viral infections

human immunodeficiency virus, 854–855

human T-cell leukemia virus type 1, 855

influenza viruses, 855–856

other viral-related myositis, 856

Infliximab, 115t, 126

for inflammatory myopathies, 863

Influenza viruses, 855–856

Integrins, 657f, 659

Interferon α and β, 115t, 126

Interferon (IFN) gamma release assay (IGRA), 119

International Classification of Functioning, Disability and Health (ICF) model, on impairments, 143

Interstitial lung disease (ILD), 832

Intrathecal baclofen, in hereditary spastic paraparesis, 204, 205t

Intravenous β, for cardioprotection, 645

Intravenous immunoglobulin (IVIg), 115t, 117t, 126–128, 227, 229

adverse effects, 127–128

for CIDP, 350t, 351–352

for inflammatory myopathies, 861

management considerations, 128

mechanism of action, 126–127

for MG, 607

uses, 127

Ipecac, 899

Isaacs syndrome (IS), 243–248, 245t

clinical features, 243–245

diagnosis and differential diagnosis, 245–246

histopathology, 247

laboratory features, 246–247, 247f

myokymic discharges, 246–247, 247f

neuromyotonic discharges, 246, 247f

pathogenesis, 247–248

treatment, 248

Isoniazid (INH), neuropathy by, 455

Isotretinoin, 902

IVIg. See Intravenous immunoglobulin (IVIg)

Ixodes scapularis, 641

Ixodid tick, 641

J

Jerking stiff-man syndrome, 255

Jimmo vs. Kathleen Sebelius, 144

Jitter values, 623

Jo-1 antibodies, 832

John Cunningham (JC) virus, 119

Jordan’s anomaly, 761, 761f

K

KAFOs. See Knee-ankle-foot-orthoses (KAFOs)

Kearns-Sayre syndrome (KSS), 775, 784–785

clinical features, 784–785

histopathology, 785

laboratory features, 785

molecular genetics and pathogenesis, 785

treatment, 785

Kelch-like homologue 9 (KLHL9), 700

Kennedy disease, 15, 183, 213–215, 622

clinical features, 213–214