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Renal cell carcinoma presenting with diffuse peritoneal metastases: CT findings
V M Tartar1, J P Heiken, B L McClennan
1Mallinckrodt Institute of Radiology, Washington University School of Medicine, St. Louis, MO 63110.
Journal of Computer Assisted Tomography
|May 1, 1991
Abstract:
Renal cell carcinoma (RCC) spreads predominantly by direct extension, lymphatic dissemination, or venous invasion. Intraperitoneal metastatic spread of RCC involving mesentery and omentum is very uncommon. We report three unusual cases of RCC in which widespread diffuse intraperitoneal metastases were present at the time of diagnosis. The CT findings in these cases included extensive ascites, widespread omental infiltration, and peritoneal implants, as well as retroperitoneal metastases.