期刊
JOURNAL OF GASTROENTEROLOGY
卷 35, 期 7, 页码 528-535出版社
SPRINGER VERLAG
DOI: 10.1007/s005350070076
关键词
splenic flexure; colon cancers; surgical outcome; colonic obstruction
The clinicopathological characteristics and outcome of splenic flexure cancer after surgery have yet to be fully elucidated. The aim of the current study was, therefore, to establish predictive factors related to splenic flexure cancer and outcome after surgery. We compared the clinicopathological characteristics and outcome of 34 patients with splenic flexure cancers (which represents 3.7% of the total number of colon cancers in our series) with those of 418 patients with right colon and 475 patients with left colon cancers by univariate and multivariate analyses, using logistic regression analysis and Cox's proportional hazards model. Splenic flexure cancers had a high risk of obstruction (26.5% of patients), and had a more advanced stage and lower cure rate than left colon cancers. Logistic regression analysis revealed that two independent factors, colonic obstruction and the presence of distant metastases, were related to the splenic flexure tumor site. Splenic flexure cancer patients had a poorer outcome than those with left colon cancer (P = 0.0361). However, there was no difference in survival between patients with splenic flexure, those with right colon cancer and those with left colon cancer who underwent curative surgery. Cox's regression analysis revealed that neither the site of splenic flexure nor colonic obstruction was an independent prognostic factor. In conclusion, splenic flexure cancer is characterized by a high risk of obstruction and the presence of distant metastases. However, after curative resection, splenic flexure cancer has a similar outcome to colon cancer at other sites. In addition, neither the splenic flexure site nor colonic obstruction had an independent influence on patient survival after surgery.
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