title: [Importance of tomodensitometry in the diagnosis of retroperitoneal tumors].
abstract: 3 patients are presented who were admitted with the suspected urographic diagnosis of a "retroperitoneal tumor". A battery of additional investigations had not led to a definite diagnosis in the patients with an aortic aneurysm, a large dermoid cyst and a small bowel sarcoma infiltrating into the retroperitoneum. Among the 3 cases, only the dermoid cyst, could not be recognized angiographically. CT, however, provided the correct diagnosis in all 3 patients. Only one additional barium study in a patient with a small bowel sarcoma was necessary for further confirmation of the diagnosis.
mesh_terms: D000328:Adult; D000792:Angiography; D001012:Aorta, Abdominal / Q000000981:diagnostic imaging; D001014:Aortic Aneurysm / Q000000981:diagnostic imaging; D003884:Dermoid Cyst / Q000000981:diagnostic imaging; D003937:Diagnosis, Differential; D006801:Humans; D007414:Intestinal Neoplasms / Q000000981:diagnostic imaging; D008297:Male; D008875:Middle Aged; D012186:Retroperitoneal Neoplasms / Q000000981:diagnostic imaging*; D014057:Tomography, X-Ray Computed; D014567:Urography
vernacular_title: L'importance de la tomodensitométrie dans l'exploration diagnostique des tumeurs rétropéritonéales.