title: An 18-year-old Man with Knee Pain.
authors.affiliation: Division of Orthopaedic Surgery, University of Alabama at Birmingham, Birmingham, AL, USA. herrick.siegel@ortho.uab.edu
authors.forename: Herrick J
authors.initials: HJ
authors.lastname: Siegel
authors.forename: Robert
authors.initials: R
authors.lastname: Lopez-Ben
authors.forename: Nasser
authors.initials: N
authors.lastname: Said-Al-Naief
authors.forename: Gene P
authors.initials: GP
authors.lastname: Siegal
mesh_terms: D000293:Adolescent; D017824:Bone Cysts, Aneurysmal / Q000150:complications / Q000175:diagnosis* / Q000601:surgery; D001859:Bone Neoplasms / Q000150:complications / Q000175:diagnosis* / Q000601:surgery; D003937:Diagnosis, Differential; D005269:Femur / Q000000981:diagnostic imaging / Q000473:pathology; D005350:Fibroma / Q000175:diagnosis; D005357:Fibrous Dysplasia of Bone / Q000175:diagnosis; D006801:Humans; D007717:Knee / Q000473:pathology; D007719:Knee Joint / Q000000981:diagnostic imaging / Q000503:physiopathology*; D008023:Ligaments, Articular / Q000293:injuries / Q000473:pathology; D008279:Magnetic Resonance Imaging; D008297:Male; D018215:Osteoblastoma / Q000150:complications / Q000175:diagnosis* / Q000601:surgery; D012516:Osteosarcoma / Q000175:diagnosis; D010146:Pain / Q000000981:diagnostic imaging / Q000209:etiology / Q000503:physiopathology*; D011859:Radiography; D016896:Treatment Outcome