Clinical journal of gastroenterology · 2020
Successful treatment with conversion surgery following chemoradiotherapy for unresectable invasive intraductal papillary mucinous neoplasm.
Клинический случайСтатьяНазвание и аннотация: Перевод в очереди
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Kameyama Shinichiro, Motonari Haruka, Ishimine Tomonari, Isa Tsutomu
Аннотация
INTRODUCTION: Recent advances in chemotherapy and chemoradiotherapy (CRT) have enabled the use of conversion surgery in selected patients with initially unresectable pancreatic duct adenocarcinoma after a favorable response to preoperative treatment. However, conversion surgery for invasive intraductal papillary mucinous neoplasm (IPMN) has not been reported.
CASE REPORT: A 63-year-old man was referred to our hospital for invasive IPMN treatment. Computed tomography revealed a multilocular tumor of 7.2 × 5.8 cm in diameter, which surrounded approximately 180° of the superior mesenteric artery and totally occluded the superior mesenteric vein (SMV). He was diagnosed with unresectable invasive IPMN. CRT was performed using four cycles of S-1 (100 mg/day) based on body surface area for 14 days every 3 weeks plus gemcitabine 1,000 mg/m2 on days 8 and 15 with concurrent radiotherapy (50.4 Gy in 28 fractions). Response to chemotherapy revealed partial response according to the Response Evaluation Criteria in Solid Tumors; subsequently, subtotal stomach-preserving pancreaticoduodenectomy with SMV resection was performed. The postoperative course was uneventful. Four courses of adjuvant chemotherapy with TS-1 100 mg / day were administered postoperatively. At 5 years and 9 months after initiating treatment, the patient was alive without recurrence.
CASE REPORT: A 63-year-old man was referred to our hospital for invasive IPMN treatment. Computed tomography revealed a multilocular tumor of 7.2 × 5.8 cm in diameter, which surrounded approximately 180° of the superior mesenteric artery and totally occluded the superior mesenteric vein (SMV). He was diagnosed with unresectable invasive IPMN. CRT was performed using four cycles of S-1 (100 mg/day) based on body surface area for 14 days every 3 weeks plus gemcitabine 1,000 mg/m2 on days 8 and 15 with concurrent radiotherapy (50.4 Gy in 28 fractions). Response to chemotherapy revealed partial response according to the Response Evaluation Criteria in Solid Tumors; subsequently, subtotal stomach-preserving pancreaticoduodenectomy with SMV resection was performed. The postoperative course was uneventful. Four courses of adjuvant chemotherapy with TS-1 100 mg / day were administered postoperatively. At 5 years and 9 months after initiating treatment, the patient was alive without recurrence.