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Beta-sarcoglycan-related limb-girdle muscular dystrophy R4

Disease definition

A subtype of autosomal recessive limb girdle muscular dystrophy characterized by a childhood to adolescent onset of progressive pelvic- and shoulder-girdle muscle weakness, particularly affecting the pelvic girdle (adductors and flexors of hip). Usually the knees are the earliest and most affected muscles. In advanced stages, involvement of the shoulder girdle (resulting in scapular winging) and the distal muscle groups are observed. Calf hypertrophy, cardiomyopathy, respiratory impairment, tendon contractures, scoliosis, and exercise-induced myoglobinuria may be observed.

ORPHA:119

Classification level: Disorder
  • Synonym(s):
    • Autosomal recessive limb-girdle muscular dystrophy type 2E
    • Beta-sarcoglycan-related LGMD R4
    • Beta-sarcoglycanopathy
    • LGMD due to beta-sarcoglycan deficiency
    • LGMD type 2E
    • LGMD2E
    • Limb-girdle muscular dystrophy due to beta-sarcoglycan deficiency
    • Limb-girdle muscular dystrophy type 2E
  • Prevalence: 1-9 / 1 000 000
  • Inheritance: Autosomal recessive 
  • Age of onset: Childhood, Adolescent
  • ICD-10: G71.0
  • OMIM: 604286
  • UMLS: C1858593  C2930900
  • MeSH: -
  • GARD: 3851  870
  • MedDRA: -

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The documents contained in this web site are presented for information purposes only. The material is in no way intended to replace professional medical care by a qualified specialist and should not be used as a basis for diagnosis or treatment.