title: Primary retroperitoneal seminoma presenting as renal colic.
mesh_terms: D000328:Adult; D003085:Colic / Q000175:diagnosis* / Q000209:etiology; D003937:Diagnosis, Differential; D004407:Dysgerminoma / Q000175:diagnosis* / Q000601:surgery; D006801:Humans; D007674:Kidney Diseases / Q000175:diagnosis*; D008297:Male; D012186:Retroperitoneal Neoplasms / Q000175:diagnosis* / Q000601:surgery