[Repeated intra-abdominal administration of CDDP in carcinomatous peritonitis due to gastric cancer--a case report].

Two years and 10 months after gastrectomy, a 38-year-old man was diagnosed as having carcinomatous peritonitis due to gastric cancer. He was treated by intra-abdominal administration of 100 mg CDDP three times in addition to UFT. After each administration of CDDP, the amount of ascites and the serum value of CEA were decreased. Subjective symptoms, such as epigastric pain or sensation of fullness, were also improved. Although one year and 8 months has passed since the first administration of CDDP, the performance status of the patient remains 0. Nausea or vomiting was noted within 2 days after each administration. However, severe complications, like renal failure or intra-abdominal hemorrhage, were not observed. These findings suggest that repeated intra-abdominal administration of CDDP may be a useful therapy for carcinomatous peritonitis due to gastric cancer.