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[Value of the preoperative TNM staging and the longest tumor diameter measurement of gastric cancer evaluated by MSCT].

AbstractOBJECTIVE:
To explore the value of MSCT in the preoperative TNM staging and the longest tumor diameter measurement (RESIST standard) of gastric cancer.
METHODS:
Clinical data of 153 consecutive patients with biopsy-confirmed gastric carcinoma who were preoperatively evaluated with enhanced MSCT scanning in our hospital from January 2012 to March 2013 were retrospectively analyzed. Consistency comparison was performed between preoperative TNM staging and the longest tumor diameter measurement and histopathological findings.
RESULTS:
T-staging consistency of Kappa value was 0.566, and accuracy was 71.2%. N-staging consistency of Kappa value was 0.284, and accuracy was 47.7%. The Kappa value of M-staging consistency was 0.893, and accuracy was 98.7%. The overall accuracy of TNM staging consistency was 66.7% (102/153) with a Kappa value of 0.573. Effective measurement of the longest cancer diameter was carried out in 53 patients. There was no significant difference between preoperative longest tumor diameter acquired by MSCT and postoperative tumor measurement [(68.8 ± 40.6) mm vs. (64.2 ± 36.2) mm, P=0.969].
CONCLUSION:
MSCT is accurate in preoperative TNM staging and longest tumor diameter measurement of gastric cancer compared with postoperative pathological examination, and can provide reliable evidence for preoperative staging and neoadjuvant therapy evaluation of gastric cancer, but it is unfavorable to evaluate the lymph node metastasis.
AuthorsQun Zhao, Yong Li, Zilong Hu, Bibo Tan, Peigang Yang, Yuan Tian
JournalZhonghua wei chang wai ke za zhi = Chinese journal of gastrointestinal surgery (Zhonghua Wei Chang Wai Ke Za Zhi) Vol. 18 Issue 3 Pg. 227-31 (Mar 2015) ISSN: 1671-0274 [Print] China
PMID25809324 (Publication Type: Journal Article)
Topics
  • Humans
  • Lymphatic Metastasis
  • Neoadjuvant Therapy
  • Neoplasm Staging
  • Retrospective Studies
  • Stomach Neoplasms
  • Tomography, X-Ray Computed

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