Abstract
IntroductionGastric glomus tumors are rare submucosal mesenchymal tumors. Because gastric glomus tumors are submucosal tumors and resemble gastrointestinal stromal tumors (GISTs), preoperative diagnosis is difficult. We present a case of gastric glomus tumor that was removed by laparoscopy endoscopy cooperative surgery (LECS). Case presentationA 67-year-old female was taken to the emergency room at our hospital due to epigastric pain. An upper gastrointestinal endoscopy revealed a submucosal tumor (SMT) located in the lesser curvature of the upper body of the stomach. Endoscopic ultrasonography revealed an intraluminal hypoechoic tumor located in the third or fourth layer of the stomach wall. Contrast-enhanced computed tomography (CECT) of the abdomen showed a 20-mm, well-enhanced, intraluminal-type tumor located in the lesser curvature of the upper body of the stomach. Laparoscopy endoscopy cooperative surgery (LECS) was performed. Immunohistochemistry revealed the expression of smooth muscle actin and vimentin, but not of keratin, S-100 protein, C-kit, or CD34. The tumor was finally diagnosed as a gastric glomus tumor. ConclusionGlomus tumors are rare submucosal tumors of the stomach, and they should be considered in the differential diagnosis of gastric submucosal tumors. LECS could be a less invasive and effective method for treatment of gastric glomus tumor.
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