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논문 기본 정보

자료유형
학술저널
저자정보
Lee Junghwan (Division of Gastroenterology, Department of Internal Medicine, Inje University Haeundae Paik Hospital, Inje University College of Medicine, Busan, Korea) Oh Dongwook (Department of Gastroenterology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea) Seo Dong-Wan (Department of Gastroenterology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea) Song Tae Jun (Department of Gastroenterology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea) Park Do Hyun (Department of Gastroenterology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea) Lee Sung Koo (Department of Gastroenterology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea) Hong Seung-Mo (Department of Pathology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea)
저널정보
거트앤리버 발행위원회 Gut and Liver Gut and Liver Vol.18 No.4
발행연도
2024.7
수록면
747 - 755 (9page)
DOI
10.5009/gnl230451

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Background/Aims: Endoscopic papillectomy (EP) is increasingly used as an alternative to surgery for managing benign ampullary neoplasms. However, post-EP resection margins are often positive or indeterminate, and there is no consensus on the management of ampullary adenomas with positive or indeterminate margins after EP. This study was designed to compare the longterm outcomes between resected margin-negative (RMN) and resected margin-positive/indeterminate (RMPI) groups and to identify factors associated with clinical outcomes. Methods: This retrospective analysis included patients with ampullary adenoma without evidence of adenocarcinoma who underwent EP between 2004 and 2016. The RMN and RMPI groups were compared for recurrence rates and recurrence-free duration during a mean followup duration of 71.7±39.8 months. Factors related to clinical outcomes were identified using multivariate analysis. Results: Of the 129 patients who underwent EP, 82 were in the RMN group and 47 were in the RMPI group. The RMPI group exhibited a higher recurrence rate compared to the RMN group (14.6% vs 34.0%, p=0.019). However, the recurrence-free duration was not significantly different between the groups (34.7±32.6 months vs 36.2±27.4 months, p=0.900). Endoscopic treatment successfully managed recurrence in both groups (75% vs 75%). Submucosal injection was a significant risk factor for residual lesions (hazard ratio, 4.11; p=0.009) and recurrence (hazard ratio, 2.57; p=0.021). Conclusions: Although ampullary adenomas with positive or indeterminate margins after EP showed a higher rate of recurrence at long-term follow-up, endoscopic treatment was effective with favorable long-term outcomes. Submucosal injection prior to resection was associated with increased risk of recurrence and residual lesions.

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