A resected case of effective treatment with S-1/gemcitabine and Paclitaxel combination chemotherapy for advanced pancreatic cancer with peritoneal and liver metastases
Abstract
A 58-year-old woman was admitted to the hospital because of abdominal fullness and anorexia. Abdominal CT scan revealed pancreatic cancer with massive ascites showing peritoneal dissemination, combined with lymph node and liver metastases. Cytology of ascites showed malignancy. Abnormally high values of CA19-9 (1,908 U/mL) and CA125 (545 U/mL) were detected in serum. Histologically, metastatic adenocarcinoma was recognized by laparoscopic biopsy of peritoneal dissemination. We performed systemic chemotherapy of S-1, gemcitabine and peritoneal infusion of paclitaxel for nonresected pancreatic cancer. After 5 courses, ascites disappeared and the serum CA19-9 and CA125 levels regained their normal value. Peritoneal seeding was not found by second laparoscopic examination 20 months after beginning chemotherapy. Thus, we consider the patient had an effective response, and performed distal pancreatectomy and proximal resection of the stomach. Histological examination of the primary lesion revealed no cancer cells where fibrosis presented.
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