Neuro-Ophthalmology & Neuro-Otology
Isolated fourth nerve palsy
Nov. 16, 2021
Hypokalemic periodic paralysis (1)
Multiple muscle fibers contain large vacuoles (arrowheads). In some fibers the large vacuoles replace large portions of the sarcoplasm. A necrotic fiber is present (arrow). H&E stain. (Contributed by Dr. Andrew Waclawik.)
Related
Media
Associated
Disorders
- Becker muscular dystrophy
- CIDP
- Charcot-Marie-Tooth disease
- Duchenne muscular dystrophy
- Kearns-Sayre syndrome
- Kugelberg-Welander disease
- MELAS
- MERRF
- McArdle disease
- Miyoshi distal myopathy
- NARP
- Nonaka distal myopathy
- Stormorken syndrome
- Welander distal myopathy
- Werdnig-Hoffman disease
- acid maltase deficiency
- amyloidosis
- carnitine palmitoyltransferase deficiency
- central core disease
- centronuclear myopathy
- congenital fiber-type disproportion
- cysticercosis
- denervation atrophy
- dermatomyositis
- facioscapulohumeral muscular dystrophy
- hereditary neuropathy with pressure palsy
- inclusion-body myositis
- leprous neuropathy
- limb-girdle muscular dystrophy
- myotubular myopathy
- nemaline rod myopathy
- peripheral nerve vasculitis
- polymyositis
- progressive external ophthalmoplegia
- sarcoid myopathy
- sarcoid neuropathy
- spinal muscular atrophy
- toxoplasmosis
- trichinellosis
- tubular aggregates myopathy