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KMID : 1141920170330020052
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Annals of Coloproctology
2017 Volume.33 No. 2 p.52 ~ p.56
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Transanal Minimally-Invasive Surgery for Treating Patients With Regressed Rectal Cancer After Preoperative Chemoradiotherapy
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Lee Byoung-Chul
Oh Seon-Ok
Lim Seok-Byung
Yu Chang-Sik
Kim Jin-Cheon
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Abstract
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Purpose: Although the standard treatment for patients with locally advanced rectal cancer managed by preoperative chemoradiotherapy (CRT) is a radical resection, local excisions are used in highly-selective cases. Recently, transanal minimally-invasive surgery (TAMIS) has emerged as a feasible technique for local excision of midrectal lesions. We assess the feasibility of using TAMIS to treat patients with locally advanced rectal cancer who showed good response to CRT.
Methods: From October 2010 to June 2013, 35 consecutive patients with rectal cancer managed by using preoperative CRT underwent TAMIS. After a single-incision laparoscopic surgery port had been introduced into the anal canal, a full-thickness local excision with conventional laparoscopic instruments was performed. We retrospectively reviewed a prospectively collected database of these cases.
Results: Of the 35 patients analyzed, 18 showed pathologic complete responses and 17 had residual lesions (2 ypTis, 4 ypT1, 9 ypT2, and 2 ypT3); 34 (97.1%) showed clear deep, lateral margins. The median distance of lesions from the anal verge was 5 cm. All procedures were completed laparoscopically, and the median operating time was 84 minutes. No intraoperative events or morbidities were seen in any of the patients, except one with wound dehiscence, who was treated conservatively. The median postoperative hospital stay and follow-up period were 4 days and 36 months, respectively. During the study period, no patients died, but 5 (14.3%) experienced recurrence, including one recurrence at the TAMIS site.
Conclusion: TAMIS seems to be a feasible, safe modality for treating patients with locally advanced rectal cancer who show good response to preoperative CRT.
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KEYWORD
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Rectal neoplasms, Chemoradiotherapy, Laparoscopy, Minimally Invasive Surgical Procedures
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