title: [Magnetic resonance imaging of juvenile-type distal and segmental muscular atrophy of the upper extremities].
mesh_terms: D000293:Adolescent; D000328:Adult; D002648:Child; D006801:Humans; D009682:Magnetic Resonance Spectroscopy; D008297:Male; D009133:Muscular Atrophy / Q000473:pathology*; D013116:Spinal Cord / Q000473:pathology