PMID: 29774932May 19, 2018Paper

Pathological staging criteria for carcinoma in the remnant stomach: an exploratory study

Zhonghua wei chang wai ke za zhi = Chinese journal of gastrointestinal surgery
Zhidong GaoShan Wang

Abstract

To explore the prognostic value of the tumor-ratio-metastasis (TRM) staging system for carcinoma in the remnant stomach(CRS). Clinicopathological data of 91 CRS patients who underwent surgery at Peking University People's Hospital between March 1992 and December 2017 were retrospectively analyzed. According to the ratio of metastatic lymph node to dissected lymph node, the R staging was obtained, and the pN staging was replaced by the R staging to create the TRM staging. To compare the predictive accuracy of TRM and tumor-node-metastasis (TNM, UICC version 7), the R staging and pN staging were included in the prognostic factor analysis model, and the survival curve, c-index, and 95% confidence interval (CI) of the TRM staging and TNM staging system were compared. A higher c-index value means higher prediction accuracy. Of 91 CRS patients, 77 were male and 14 were female with the mean onset age of (65.2±10.4) years. The mean interval from the first operation to CRS onset was 156(6-600) months. The primary diseases of 49(53.8%) cases were benign and of 42(46.2%) cases were malignant. The median number of retrieved lymph node (RLN) was 8 (0-38), and 64 patients (70.3%) had an RLN ≤15. Lymph node metastasis occurred in 50 patients ...Continue Reading

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