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STUDY ON ENDOSCOPIC ULTRASONIC IMAGING CHARACTERISTICS AND HISTOLOGY OF STOMACH SUBMUCULAR TUMOR
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Abstract
Objective: Characterize and compare endoscopic ultrasound images (EUS) and histopathology and immunohistochemistry results of gastric submucosal tumors. Methods: A prospective cross-sectional descriptive study on 52 patients with gastric submucosal tumors identified through gastroduodenal endoscopy who underwent endoscopic ultrasound at Hoang Long General Clinic from August 8, 2022, to July 20, 2023. Results: The average age was 57.1 ± 9.04 years, and women accounted for 76.9%; 96.15% of spindle cell tumors on the EUS are homogeneous hypoechoic masses originating from the gastric submucosa; immunohistochemistry results showed that 44.2% were GIST tumors, 50% were leiomyomas, and 3.8% were not compatible with immunohistochemistry and histopathology. Conclusion: histopathology combined with immunohistochemistry increases the accurate diagnosis rate of EUS.
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Keywords
Gastric submucosal tumors, Endoscopic ultrasound, Histopathology, Immunohistochemistry
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