title: Pathologic quiz case: a man with exertion-induced cramps and myoglobinuria. McArdle disease (glycogenosis type V or myophosphorylase deficiency).
authors.affiliation: Department of Neurology, Cleveland Clinic Hospital, Weston, Fla, USA.
authors.forename: Eskender
authors.initials: E
authors.lastname: Getachew
authors.forename: Richard A
authors.initials: RA
authors.lastname: Prayson
mesh_terms: 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*