Pathologic quiz case: a man with exertion-induced cramps and myoglobinuria. McArdle disease (glycogenosis type V or myophosphorylase deficiency).
Getachew
Eskender
E
Department of Neurology, Cleveland Clinic Hospital, Weston, Fla, USA.
Prayson
Richard A
RA
D006012:Glycogen Storage Disease Type V / Q000150:complications* / Q000473:pathology; D006801:Humans; D008297:Male; D008875:Middle Aged; D009120:Muscle Cramp / Q000209:etiology* / Q000503:physiopathology; D018482:Muscle, Skeletal / Q000473:pathology; D009212:Myoglobinuria / Q000209:etiology* / Q000503:physiopathology; D005082:Physical Exertion / Q000502:physiology*