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[A case of disappearance of peritoneal dissemination in gastric cancer induced by continuous hyperthermic peritoneal perfusion with cisplatin and mitomycin C].

A 58-year-old woman who had undergone subtotal gastrectomy for advanced gastric cancer yielded massive ascites after 6 months. The cytology of ascites showing Class V indicated recurrence of peritoneal dissemination in the gastric cancer. Since laparotomy disclosed diffusely small tubercular seedings in all areas of the peritoneal cavity, she received continuous hyperthermic peritoneal perfusion (CHPP) with 300 mg Cisplatin and 30 mg Mitomycin C. After CHPP ascites disappeared for 4 months. Macroscopically and microscopically, there was no cancerous lesion in the peritoneal cavity by following second-look operation. This result encouraged us to try therapeutic CHPP for overt peritoneal dissemination.