Chronic Spinal Muscular Atrophy Simulating Facioscapulohumeral Type and Limb-Girdle Type of Muscular Dystrophy

Abstract
Two cases of chronic spinal muscular atrophy simulating the clinical picture of the facioscapulohumeral type and limb-girdle type of muscular dystrophy are reported. Both patients had a waddling gait, Gowers’ maneuver in arising, terminal atrophies and pseudohypertrophies of some muscles, marked fasciculations, and fascicular tremor. The electromyogram revealed signs of anterior horn cell disease. Calf muscle biopsy (case 2) revealed ‘myopathic’ changes.

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