title: Sacral neurofibrosarcoma--a case report.
mesh_terms: D000328:Adult; D006801:Humans; D008297:Male; D009455:Neurofibroma / Q000000981:diagnostic imaging*; D012447:Sacrum / Q000000981:diagnostic imaging*; D013125:Spinal Neoplasms / Q000000981:diagnostic imaging*; D014057:Tomography, X-Ray Computed