A rare case of retrocaval ureter associated with persistent left vena cava.

We report a rare case of a retrocaval ureter associated with a left inferior vena cava transposition and with concomitant nephrolithiasis in a young woman already surgically treated during her first years of life for cardiovascular disease. Diagnosis and surgical procedure are described, including the use of a flexible ureterorenoscope to facilitate kidney stone removal.

Retroperitoneal cystic neuroendocrine tumor. A case report.

A 21 cm retroperitoneal cystic mass was excised from a 71 year old woman. The cyst was filled with a hemorrhagic fluid and contained a 5 cm parietal hemorrhagic nodule. On histology, the nodule was composed of a uniform population of round cells arranged in trabeculae and nests.