Conditions / Genetic

autosomal dominant hyaline body myopathy

info ยท Genetic

A hyaline body myopathy that has_material_basis_in heterozygous mutation in MYH7 on 14q11.2.

Signs and symptoms

  • Shoulder girdle muscle weakness
  • EMG: myopathic abnormalities
  • Scapular winging
  • Scapuloperoneal amyotrophy
  • Calf muscle pseudohypertrophy
  • Type 1 muscle fiber predominance
  • Scapuloperoneal weakness
  • Muscle weakness
  • Generalized muscle weakness
  • Centrally nucleated skeletal muscle fibers

Also known as: MSMA; Myopathy, myosin storage, autosomal dominant; autosomal dominant myosin storage congenital myopathy 7A; congenital myopathy 7A; myopathy with lysis of type I myofibrils