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  • Title: Echoendoscopy in Preoperative Evaluation of Esophageal Adenocarcinoma and Gastroesophageal Junction: Systematic Review and Meta-analysis.
    Author: Klamt AL, Neyeloff JL, Santos LM, Mazzini GDS, Campos VJ, Gurski RR.
    Journal: Ultrasound Med Biol; 2021 Jul; 47(7):1657-1669. PubMed ID: 33896677.
    Abstract:
    Esophageal adenocarcinomas of the esophagus and esophagogastric junction constitute a global health problem, the incidence of which has increased in recent decades. It has a poor prognosis and a low 5-year survival rate. Its treatment is based on preoperative clinical staging, in which echoendoscopy plays an essential role. The aim of this study was to evaluate the current accuracy of echoendoscopy in the staging of esophageal and esophogogastric junction adenocarcinomas. A systematic review was performed in PubMed, Embase and Portal BVS using the search terms Esophageal Neoplasm, Esophagus Neoplasms, Esophagus Cancers, Esophageal Cancers, EUS, EUS-FNA, Endoscopic Ultrasonography, Echo Endoscopy, Endosonographies and Endoscopic Ultrasound, with subsequent meta-analysis of the data found. The accuracy of tumor (T) staging was 65.55%. For T1, sensitivity was 64.7%, and specificity 89.1%, with an accuracy of 89.6%. For T2, sensitivity and specificity were 35.7% and 89.2%, respectively, with an accuracy of 87.1%. For T3, sensitivity and specificity were 82.5% and 83%, respectively, with an accuracy of 87%. For T4, sensitivity and specificity were 38.6% and 94%, respectively, with an accuracy of 66.4%. For node (N) staging, sensitivity was 77.3% and specificity 67.4%, with an accuracy of 77.9%. Echoendoscopy exhibits suboptimal accuracy in preoperative staging of esophageal adenocarcinoma and esophagogastric junction.
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