Clinical Reasoning: A 30-year-old man with progressive weakness and atrophy.
From the Department of Neurology (C.Q., T.M.B.), University of Pennsylvania, Perelman School of Medicine, Philadelphia, PA; Department of Pathology (S.A.M.), The University of Iowa, Carver College of Medicine, Iowa City, IA; and Department of Neurology (C.K.), Oregon Health and Science University, Portland, OR. colin.quinn@uphs.upenn.edu.
Colin
C
Quinn
From the Department of Neurology (C.Q., T.M.B.), University of Pennsylvania, Perelman School of Medicine, Philadelphia, PA; Department of Pathology (S.A.M.), The University of Iowa, Carver College of Medicine, Iowa City, IA; and Department of Neurology (C.K.), Oregon Health and Science University, Portland, OR.
Steven A
SA
Moore
From the Department of Neurology (C.Q., T.M.B.), University of Pennsylvania, Perelman School of Medicine, Philadelphia, PA; Department of Pathology (S.A.M.), The University of Iowa, Carver College of Medicine, Iowa City, IA; and Department of Neurology (C.K.), Oregon Health and Science University, Portland, OR.
Tanya M
TM
Bardakjian
From the Department of Neurology (C.Q., T.M.B.), University of Pennsylvania, Perelman School of Medicine, Philadelphia, PA; Department of Pathology (S.A.M.), The University of Iowa, Carver College of Medicine, Iowa City, IA; and Department of Neurology (C.K.), Oregon Health and Science University, Portland, OR.
Chafic
C
Karam
D000328:Adult; D000906:Antibodies / Q000097:blood; D001284:Atrophy / Q000175:diagnosis / Q000209:etiology; D003402:Creatine Kinase / Q000097:blood; D000073939:Dysferlin / Q000235:genetics / Q000276:immunology; D006801:Humans; D008297:Male; D018908:Muscle Weakness / Q000150:complications* / Q000175:diagnosis*; D018482:Muscle, Skeletal / Q000473:pathology*; D009154:Mutation / Q000235:genetics
D000906:Antibodies; D000073939:Dysferlin; D003402:Creatine Kinase