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Muscle biopsy in Becker muscular dystrophy (1)

Chronic myopathic changes with markedly increased variation of fiber sizes, fibers with internal nuclei, and endomysial fibrosis. Hematoxylin and eosin stain. (Contributed by Dr. Andrew Waclawik.)

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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