title: Metastatic melanoma presenting as a sciatalgia.
mesh_terms: D000328:Adult; D000792:Angiography; D003937:Diagnosis, Differential; D006801:Humans; D008297:Male; D008545:Melanoma / Q000000981:diagnostic imaging / Q000556:secondary*; D012186:Retroperitoneal Neoplasms / Q000000981:diagnostic imaging / Q000556:secondary*; D012585:Sciatica / Q000175:diagnosis*; D012878:Skin Neoplasms / Q000473:pathology; D014057:Tomography, X-Ray Computed