MULTIPLE RETROPERITONEAL SCHWANNOMAS - CASE-REPORT AND REVIEW OF THE LITERATURE

We report a rare case of multiple retroperitoneal schwannomas, initial ly believed to be an adrenal carcinoma with metastasis. These benign t umors were discovered in a patient presenting with vague back pain. Pr eoperative radiographic and endocrine evaluations suggested a nonfunct ioning adrenal tumor. The final diagnosis and its juxta-adrenal origin were confirmed by histological and immunohistochemical studies. A rev iew of the literature on retroperitoneal schwannoma is included.