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- W3033287070 abstract "Endoscopic submucosal dissection (ESD) is one of the curative treatment options for superficial esophageal cancer with minimal risk of lymph node metastasis. Prior to ESD, accurate clinical staging is important to select the appropriate candidate. We aimed to estimate the practicality of endoscopic ultrasound (EUS) to determine clinical T stage. We included superficial squamous esophageal cancers treated with surgical resection or ESD between 2005 and 2018. Pathologic reports were reviewed retrospectively and pathologic T staging was compared to clinical stage evaluated by EUS. Among 532 cases, 321 cases were superficial esophageal cancer (pTis; 42, pT1a; 115, pT1b; 164). Accuracy rates, sensitivity, specificity, positive predicted value, and negative predicted value for selecting cT1a by EUS was 82.3%, 60.5%, 91.5%, 74.80%, and 84.69% respectively. (Table 1) The overestimation rate of pT1a was 48.7%. In multivariable analysis, tumor size (>2cm), poor differentiation, protruding gross type, use of conventional EUS were associated factors for overestimation of pT1a. (Table 2) Although prediction accuracy of the T stage in superficial esophageal cancer with EUS was favorable, considerable overestimation rate was identified. Large size (>2cm), poor differentiation, protruding morphology and use of conventional EUS were related to overestimation of T stage and precaution should be taken in evaluating clinical stage for cancers with those conditions." @default.
- W3033287070 created "2020-06-12" @default.
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- W3033287070 date "2020-06-01" @default.
- W3033287070 modified "2023-09-25" @default.
- W3033287070 title "Su1312 ACCURACY OF ENDOSCOPIC ULTRASOUND FOR SUPERFICIAL ESOPHAGEAL CANCER AND FACTORS AFFECTING OVERSTAGING" @default.
- W3033287070 doi "https://doi.org/10.1016/j.gie.2020.03.2158" @default.
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