Reliability of endoscopic biopsy compared with endoscopic submucosal dissection histopathologic diagnosis.

15 Background: Endoscopic biopsy is the most convenient and simple method for approaching gastric neoplasm. Aim of our study was to determine the diagnostic accuracy of biopsy during screening endoscopy compared to endoscopic submucosal dissection (ESD). Methods: 175 patients who underwent both screening endoscopic biopsy and ESD from 2015.01 to 2017.12 in Bucheon St. Mary’s hospital were retrospectively reviewed. Results: Seventeen lesions had...