A Case of Peritoneal Serous Papillary Carcinoma

Takeshi Sunami, Mizuyuki Kanemura, Masaichi Ohira^* and Yang Ta-peng

Department of Surgery, Senbon Hospital
Department of Surgical Oncology, Osaka City University Graduate School of Medicine^*

A 67-year-old woman reporting abdominal fullness was found in abdominal ultrasonography (US) and computed tomography (CT) to have massive ascites. She was admitted for further examination. Ascites were serobloody and the result of cytology was class V (atypical adenocytes) . Serum CA125 was elevated. Abnormal findings were not seen in the gastrointestinal tract, uterus, or ovaries. Surgery was done under a diagnosis of peritoneal carcinomatosis of ovarian cancer, or peritoneal serous papillary carcinoma. We found gross ascites, many disseminated nodules on the peritoneum and mesenterium, and a hard tumor on the omentum. Bilateral ovaries were normal in size and shape. We conducted omentectomy and bilateral salpingo-oophorectomy. Histological examination showed cancer cells extensively on the surface and inside the omentum, with findings resembling typical ovarian serous carcinoma, but the tumor invaded only the surface of the ovaries. The final diagnosis was peritoneal serous papillary carcinoma. After surgery, she underwent a combination chemotherapy of carboplatin and paclitaxel.

Key words
peritoneal serous papillary carcinoma, peritoneal carcinomatosis, CA125

Reprint requests
Takeshi Sunami Department of Surgery, Senbon Hospital 1-1-31 Matsu, Nishinari-ku, Osaka, 557-0034 JAPAN

Accepted
February 26, 2003

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