PMID: 29774936May 19, 2018Paper

Risk factor analysis and prediction model establishment of lymph node metastasis in remnant gastric cancer

Zhonghua wei chang wai ke za zhi = Chinese journal of gastrointestinal surgery
Wei WangZhiwei Zhou

Abstract

To explore the risk factors and establish an effective model to predict lymph node metastasis (LNM) for remnant gastric cancer (RGC). Clinicopathological characteristics of 91 RGC patients undergoing radical gastrectomy at Sun Yat-sen University Cancer Center from January 2000 to December 2017 were retrospectively analyzed. RGC was defined as cancer detected in the remnant stomach >5 years for primary benign diseases or >10 years for malignant diseases following distal gastrectomy. Risk factors of LNM in RGC were identified using logistic regression (P<0.1). Covariates were then scored according to the β regression coefficient in the multivariate analysis, and a score model was established, in which higher score indicated higher risk of LNM. Finally, receiver operating characteristic(ROC) curve was used to evaluate the diagnostic efficacy of risk factors and the score model. Among the 91 RGC patients, 84 were male and 7 were female with the age ranging from 47 to 82 years (63.7±8.5) years. Mean harvested lymph node (LN) was 16.0±11.8, including ≥15 LNs in 42(46.2%) patients and <15 LNs in 49(53.8%) patients. Forty-six (50.5%) patients were identified as LNM. Univariate analysis showed that tumor size ≥4 cm (χ2=8.106, P=0.004), ...Continue Reading

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