title: Polymyositis presenting with distal and asymmetrical weakness.
mesh_terms: D000368:Aged; D005260:Female; D006225:Hand; D006801:Humans; D007866:Leg; D008875:Middle Aged; D009133:Muscular Atrophy / Q000175:diagnosis* / Q000209:etiology; D009220:Myositis / Q000150:complications / Q000175:diagnosis*