The aim of this study was to determine the characteristics for ad

The aim of this study was to determine the characteristics for additional selleck compound surgery following endoscopic resection for T1 colorectal carcinoma. Methods: We performed a retrospective study on 257 submucosal invasive

T1 CRC, resected endoscopically or surgically between March 2004 and March 2013 at Seoul National University Bundang Hospital. Results: Of the 257 patients (median age; 63.7 years), 63 patients underwent endoscopic resection, 92 patients underwent subsequent surgical resection after endoscopic resection, and 102 patients underwent surgical resection. Among 194 patients who underwent surgery, 17 patients had LN metastasis (8.8%). Moderately or poorly differentiated or mucinous

adenocarcinoma (n = 121; P = 0.021), absence of background adenoma (n = 119; P = 0.034) and lymphatic invasion (n = 31; P = 0.001) were risk factors for LN metastasis in univariate analysis; however, in multivariate analysis, lymphatic invasion an independent risk factor for LN metastasis (P = 0.001; odds ratio = 6.29). The incidence of LN metastasis was only 1.6% in patients with well or moderate differentiation and absent lymphatic invasion regardless of depth of submucosal invasion. Among 92 patients who underwent subsequent surgical resection after endoscopic resection, residual cancer was found in 15 cases (16.3%). Gross incomplete resection (n = 8; P < 0.001) and poorly or mucinous adenocarcinoma (n = 4; P = 0.016) were found to be risk factors of residual cancer in univariate and multivariate analysis. There was no recurrence and local or distant metastasis in the all T1 CRC during median follow-up period of 27 months. Conclusion: Additional surgical resection might be unnecessary for patients 上海皓元 with well-differentiation and absent lymphatic invasion after macroscopic complete endoscopic resection in T1 CRC. Key Word(s): 1. Colorectal carcinoma; 2.

Endoscopic resection; 3. Surgery; Presenting Author: BUENO LIONEL Additional Authors: LAFFORGUE GUYLENE, BEAUFRAND CATHIE, BURMEISTER YVONNE, SEILHEIMER BERND Corresponding Author: BUENO LIONEL Affiliations: inra; BHH GmbH Objective: Irritable Bowel Syndrome (IBS) is a common disease worldwide with complex pathophysiology that is difficult to treat effectively using single-target medications. In rats, acute restraint stress triggers similar functional changes such as visceral hypersensitivity, changes in bowel habits and gut function observed in IBS. HE-400 is a multicomponent medication with the potential to affect multiple pathological pathways simultaneously and therefore, more adequately target the complex pathophysiology of IBS. In the following study, the effects of HE-400 administered orally by gavage on stress-induced changes in GI function were evaluated in different rat models.

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