Department of Medicine, King Khalid University Hospital, Riyadh, Saudi Arabia.
Pseudomyxoma peritonei is due to diffuse involvement of the peritoneal cavity with mucinous material. Four patients were found in two major general hospitals in Riyadh. All patients were male. Cardinal clinical features were abdominal distension, pain and weight loss. Computed tomography was helpful preoperatively. Laparoscopy or laparotomy were performed to arrive at a correct diagnosis.