Retroperitoneal tumors are rare. Most of these tumors arise from mesothelial or connective tissues in the retroperitoneum. We report the first case, for us, of a cystic neuroendocrine retroperitoneal carcinoma in a 71-year-old woman. The discussion is focused on the radiographic findings, immunohistochemical studies and the controversial diagnosis.
CappellaC., RivaC., CornacchiaM., ChiaravalliA.M., FrigerioB.: Histophatology, citology and cytochemistry of pheochromocytomas and paragangliomas including chemodectomas. Path. Res. Pract., 183: 176–187, 1988.
7.
Gonzales-CrussiF.: Teratomas of the retroperitoneum, p. 142–153 in Extragonadal Teratoma, Atlas of Tumor Pathology. Second series, Fascicle 18. Washington: Armed Forces Institute of Pathology, 1982.
