title: Case records of the Massachusetts General Medicine. Weekly clinicopathological exercises. Case 9-2003. An 18-year-old man with back and leg pain and a nondiagnostic biopsy specimen.
authors.affiliation: Department of Pediatric Hematology/Oncology, Massachusetts General Hospital, Boston, USA.
authors.forename: Alison M
authors.initials: AM
authors.lastname: Friedmann
authors.forename: Esther
authors.initials: E
authors.lastname: Oliva
authors.forename: Anthony L
authors.initials: AL
authors.lastname: Zietman
authors.forename: Suzanne L
authors.initials: SL
authors.lastname: Aquino
mesh_terms: D000293:Adolescent; D001416:Back Pain / Q000209:etiology; D001706:Biopsy; D003937:Diagnosis, Differential; D018237:Germinoma / Q000150:complications / Q000000981:diagnostic imaging / Q000473:pathology*; D006801:Humans; D007866:Leg; D008159:Lumbar Vertebrae / Q000000981:diagnostic imaging; D008198:Lymph Nodes / Q000473:pathology; D008223:Lymphoma / Q000175:diagnosis; D008297:Male; D008479:Mediastinal Neoplasms / Q000150:complications / Q000000981:diagnostic imaging / Q000473:pathology*; D008482:Mediastinum / Q000000981:diagnostic imaging / Q000473:pathology*; D009373:Neoplasms, Germ Cell and Embryonal / Q000175:diagnosis; D010146:Pain / Q000209:etiology; D014057:Tomography, X-Ray Computed