PRIMARY MUCINOUS CYSTOADENOCARCINOMA OF THE RETROPERITONEUM - 2 CASES

Two cases of primary retroperitoneal mucinous cystoadenocarcinoma of t he ovarian type are reported. Both tumors occurred in females with bil ateral normal ovaries and contained benign, borderline, and malignant mucinous epithelium. Full thickness infiltration of the cyst wall was not found. In addition to surgery, one patient was given chemotherapy because of spillage from the tumor during intervention. There were no recurrences and no evidence of metastatic disease 19 and 33 months aft er diagnosis. Histologic findings suggest that the tumors had develope d through mucinous metaplasia in preexisting mesothelial cysts. (C) 19 94 Academic Press, Inc