Difficulty of predicting the presence of lymph node metastases in patients with clinical early stage gastric cancer: A case control study

Masatoshi Nakagawa, Yoon Young Choi, Ji Yeong An, Hyunsoo Chung, Sang Hyuk Seo, Hyun Beak Shin, Hui Jae Bang, Shuangxi Li, Hyung Il Kim, Jae Ho Cheong, Woo Jin Hyung, Sung Hoon Noh

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Abstract

Background: The relationship between pathological factors and lymph node metastasis of pathological stage early gastric cancer has been extensively investigated. By contrast, the relationship between preoperative factors and lymph node metastasis of clinical stage early gastric cancer has not been investigated. The present study was to investigate discrepancies between preoperative and postoperative values. Methods: From January 2011 to December 2013, 1042 patients with clinical stage early gastric cancer who underwent gastrectomy with lymphadenectomy were enrolled. Preoperative and postoperative values were collected for subsequent analysis. Receiver operating characteristics curves were computed using independent predictive factors. Results: Several discrepancies were observed between preoperative and postoperative values, including existence of ulcer, gross type, and histology (all McNemar p-values were <0.001). Multivariate analyses identified the following independent predictive factors for lymph node metastasis: postoperative values including age (p = 0.002), tumor size (p < 0.001), and tumor depth (p < 0.001); preoperative values including age (p = 0.017), existence of ulcer (p = 0.037), tumor size (p = 0.009), and prediction of the presence of lymph node metastasis in computed tomography scans (p = 0.002). These postoperative and preoperative independent predictive factors produced areas under the receiver operating characteristics curves of 0.824 and 0.660, respectively. Conclusions: Surgeons need to be aware of limitations in preoperative predictions of the presence of lymph node metastasis for clinical stage early gastric cancer.

Original languageEnglish
Article number943
JournalBMC cancer
Volume15
Issue number1
DOIs
Publication statusPublished - 2015 Dec 1

All Science Journal Classification (ASJC) codes

  • Genetics
  • Oncology
  • Cancer Research

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    Nakagawa, M., Choi, Y. Y., An, J. Y., Chung, H., Seo, S. H., Shin, H. B., Bang, H. J., Li, S., Kim, H. I., Cheong, J. H., Hyung, W. J., & Noh, S. H. (2015). Difficulty of predicting the presence of lymph node metastases in patients with clinical early stage gastric cancer: A case control study. BMC cancer, 15(1), [943]. https://doi.org/10.1186/s12885-015-1940-3