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Advantage of endoscopic papillectomy for ampullary tumors as an alternative treatment for pancreatoduodenectomy

Abe, Shohei Sakai, Arata Masuda, Atsuhiro Miki, Mika Harada, Yoshiyuki Nagao, Kae Inomata, Noriko Kohashi, Shinya Uemura, Hisahiro Masuda, Shigeto Ashina, Shigeto Gonda, Masanori Yamakawa, Kohei Tsujimae, Masahiro Yamada, Yasutaka Tanaka, Takeshi Kobayashi, Takashi Nakano, Ryota Shiomi, Hideyuki Tsugawa, Daisuke Yanagimoto, Hiroaki Ajiki, Tetsuo Kanzawa, Maki Fukumoto, Takumi Itoh, Tomoo Kodama, Yuzo 神戸大学

2022.09.07

概要

Endoscopic papillectomy for early ampullary tumors is considered a minimally invasive and useful alternative to pancreatoduodenectomy; however, its indications remain unclear. This study aimed to clarify the advantages of endoscopic papillectomy by investigating the clinical outcomes of patients who underwent endoscopic papillectomy or pancreatoduodenectomy for early ampullary tumors. Patients diagnosed with early ampullary tumors (adenoma, Tis, T1a) who underwent endoscopic papillectomy or pancreatoduodenectomy between June 2008 and October 2019 were included, and their clinical outcomes were analyzed. Seventy-four patients (34 patients with adenomas and 40 patients with adenocarcinomas) were divided into two groups, namely endoscopic papillectomy (n = 43) and pancreatoduodenectomy (n = 31). The estimated 5-year overall survival rate of all early ampullary tumors was 92%. Complete resection rate was significantly lower for endoscopic papillectomy patients versus pancreatoduodenectomy patients (48.8% vs. 100%; p < 0.001). Recurrence was more common in the endoscopic papillectomy group compared to the pancreatoduodenectomy group (16.3% vs. 3.2%; p = 0.128), but all recurrences were controllable by endoscopic treatment. The median length of hospital stay for the endoscopic papillectomy group was significantly shorter compared to the endoscopic papillectomy group (11 days vs. 42 days; p < 0.001). The Comprehensive Complication Index was significantly lower in the endoscopic papillectomy group compared to the pancreatoduodenectomy group (14.8 vs 22.6%; p = 0.002). Endoscopic papillectomy for early ampullary tumors is useful and may be an alternative treatment for pancreatoduodenectomy in selected cases.

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