title: Right knee pain in a 13-year-old boy.
authors.affiliation: Hospital of the University of Pennsylvania, Philadelphia, PA 19104, USA.
authors.forename: Stefan L
authors.initials: SL
authors.lastname: Zimmerman
authors.forename: Leslie A
authors.initials: LA
authors.lastname: Moroz
authors.forename: Marta E
authors.initials: ME
authors.lastname: Guttenberg
authors.forename: John P
authors.initials: JP
authors.lastname: Dormans
mesh_terms: D000293:Adolescent; D000792:Angiography; D001165:Arteriovenous Malformations / Q000175:diagnosis* / Q000601:surgery*; D001707:Biopsy, Needle; D005500:Follow-Up Studies; D006801:Humans; D007150:Immunohistochemistry; D007719:Knee Joint / Q000503:physiopathology; D008279:Magnetic Resonance Imaging / Q000379:methods; D008297:Male; D018482:Muscle, Skeletal / Q000098:blood supply*; D019637:Orthopedic Procedures / Q000379:methods; D010146:Pain / Q000175:diagnosis / Q000209:etiology; D018570:Risk Assessment; D012720:Severity of Illness Index; D016896:Treatment Outcome