Hyoung Ran Kim, Woo Yong Lee, Kyung Uk Jung, Hyuk Jun Chung, Chul Joong Kim, Hae-Ran Yun, Yong Beom Cho, Seong Hyeon Yun, Hee Cheol Kim, Ho-Kyung Chun
PURPOSE: Recently, an increase in well-differentiated rectal neuroendocrine tumors (WRNETs) has been noted. We aimed to evaluate transanal endoscopic microsurgery (TEM) for the treatment of WRNETs. METHODS: Between December 1995 and August 2009, 109 patients with WRNETs underwent TEM. TEM was performed for patients with tumors sizes of up to 20 mm and without a lymphadenopathy. These patients had been referred from other clinics after having been diagnosed with WRNETs by using a colonoscopic biopsy; they had undergone a failed endoscopic submucosal dissection (ESD) or endoscopic mucosal resection (EMR) and exhibited an involved resection margin and remaining tumor after ESD or EMR, regardless of the distance from the anal verge...
August 2012: Journal of the Korean Society of Coloproctology