title: Hip pain in a 13-year old boy with a pelvic mass.
authors.affiliation: Department of Orthopedic Surgery, University of Pittsburgh, Pittsburgh, PA, USA.
authors.forename: Mustafa
authors.initials: M
authors.lastname: Khan
authors.forename: Bruce
authors.initials: B
authors.lastname: Pawel
authors.forename: James
authors.initials: J
authors.lastname: Meyer
authors.forename: John
authors.initials: J
authors.lastname: Dormans
mesh_terms: D000293:Adolescent; D001859:Bone Neoplasms / Q000150:complications* / Q000175:diagnosis* / Q000628:therapy; D003937:Diagnosis, Differential; D006801:Humans; D008279:Magnetic Resonance Imaging; D008297:Male; D010146:Pain / Q000175:diagnosis* / Q000209:etiology*; D059408:Pain Management; D010384:Pelvic Bones / Q000000981:diagnostic imaging* / Q000473:pathology* / Q000601:surgery; D011859:Radiography; D012512:Sarcoma, Ewing / Q000150:complications* / Q000175:diagnosis* / Q000628:therapy