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ORIGINAL ARTICLE
Year : 2020  |  Volume : 16  |  Issue : 5  |  Page : 1106-1111

Clinicopathologic factors associated with pathologic upstaging in patients clinically diagnosed stage T2N0M0 squamous cell esophageal carcinoma


Department of Thoracic Surgery, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan 250021, Shandong Province, P. R. China

Correspondence Address:
Lin Xu
Department of Thoracic Surgery, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan 250021, Shandong Province
P. R. China
Zhongmin Peng
Department of Thoracic Surgery, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan 250021, Shandong Province
P. R. China
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/jcrt.JCRT_1171_19

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Background: Even with the use of contrast-enhanced thin-layer chest computed tomography (CT) and endoscopic ultrasonography (EUS), the likelihood of cT2N0M0 squamous cell esophageal cancer correlating with the final pathologic outcome is exceedingly low. We therefore sought to investigate the associations between different risk factors and pathologic upstaging in stage T2N0M0 esophageal cancer patients who underwent esophagectomy. Materials and Methods: We retrospectively reviewed the clinicopathological characteristics of 224 stage T2N0M0 squamous cell esophageal cancer patients who underwent complete resection over a 2-year period (October 2016–September 2018). The tumor volume (TV) was automatically measured from thin-layer chest CT scans using imaging software. Univariate and multivariate analyses were performed to identify the risk factors associated with upstaging. A receiver operating characteristic (ROC) curve was plotted, and its ability to identify pathological upstaging was assessed. Results: A total of 224 patients with clinical stage T2N0M0 squamous cell esophageal carcinoma (SCEC) underwent esophagectomy; of these patients, 96 (42.86%) had a more advanced stage during the final pathologic review than during the initial diagnosis. The risk factors for pathologic upstaging included a large TV, high total cholesterol (TC), high triglycerides (TGs), high platelet-to-lymphocyte ratio (PLR), and high number of lymph nodes examined. The ROC analysis demonstrated an area under the curve of 0.845 (95% confidence interval 0.794–0.895). Conclusions: In SECC diagnosed as stage T2N0M0 by CT and EUS, the incidence of postoperative pathologic upstaging increases with a large TV, high TC, high TGs, high PLR, and high number of lymph nodes examined.


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