Gan to kagaku ryoho. Cancer & chemotherapy · 2019
[Endoscopic Submucosal Dissection(ESD)as a "Loco-Regional Cancer Therapy" for Colorectal Tumors].
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Shimojima Rieko, Otsuka Hiroko, Kihara Kimiko, Sakamoto Teruhiko, Mitsumaru Akiyoshi, Watanabe Kiyo, Sakuma Akiko, Yamada Yasufumi, Okayama Sachiyo, Yano Yuki, Yokomizo Hajime, Yoshimatsu Kazuhiko, Naritaka Yoshihiko, Kato Hiroyuki
Аннотация
INTRODUCTION: Endoscopic submucosal dissection(ESD)for colorectal tumors has been covered by the national health insurance system in Japan since April 2012, and is widely used. We analyzed colorectal ESD cases we performed.
PATIENTS AND METHODS: We investigated 515 patients with colorectal lesions(580 lesions)for whom ESD was performed between November 2005 and April 2017. Clinicopathological data, technical methods, complications, and outcomes were analyzed.
RESULTS: Most tumors were found in the transverse colon(134 lesions). The average diameter was about 26 mm. The largest lesion was 120 mm. The en bloc resection rate was high(96.2%). The average operative time was 51 minutes. Among complications, the number of delayed major bleeding cases was 7(1.2%). Minor perforations occurred in 3 cases(0.5%). The perforation could be closed with endoscopic clips. About 70% of the cases were adenomas, and the remainder were carcinomas. One patient with carcinoma in situ showed a mucosal recurrence 4 months later and received repeat endoscopic treatment. The cure rate was 99.8%. Among 29 deep submucosal invasion cases, additional colectomy was performed in 21; 3 patients had persistent carcinoma in the colonic wall and another patient had lymph node metastasis.
CONCLUSIONS: Colorectal ESD can be performed for all sites in the large intestine, and en bloc resection was possible for a large lesion. A good outcome was observed for "Loco-Regional Cancer Therapy" in early colorectal carcinoma.
PATIENTS AND METHODS: We investigated 515 patients with colorectal lesions(580 lesions)for whom ESD was performed between November 2005 and April 2017. Clinicopathological data, technical methods, complications, and outcomes were analyzed.
RESULTS: Most tumors were found in the transverse colon(134 lesions). The average diameter was about 26 mm. The largest lesion was 120 mm. The en bloc resection rate was high(96.2%). The average operative time was 51 minutes. Among complications, the number of delayed major bleeding cases was 7(1.2%). Minor perforations occurred in 3 cases(0.5%). The perforation could be closed with endoscopic clips. About 70% of the cases were adenomas, and the remainder were carcinomas. One patient with carcinoma in situ showed a mucosal recurrence 4 months later and received repeat endoscopic treatment. The cure rate was 99.8%. Among 29 deep submucosal invasion cases, additional colectomy was performed in 21; 3 patients had persistent carcinoma in the colonic wall and another patient had lymph node metastasis.
CONCLUSIONS: Colorectal ESD can be performed for all sites in the large intestine, and en bloc resection was possible for a large lesion. A good outcome was observed for "Loco-Regional Cancer Therapy" in early colorectal carcinoma.