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Abstract
Computed tomography (CT) and magnetic resonance imaging can assist in making a diagnosis, but the final diagnosis depends on histopathological examination. The stomach became soft without thickening after separating the adhesion between antrum and bladder. Because of cholecystitis with perforation, the gallbladder was removed at the same time, and it was confirmed by biopsy [Figure 2]. {Figure 1}{Figure 2} Discussion Sub-epithelial mass lesions in the stomach are relatively common findings in patients undergoing gastric endoscopy. The endoscopic appearance of a sub-epithelial lesion in the stomach is that of the mass, bulge, or impression visible within the gastric lumen that is covered with normal-appearing epithelium. Differential diagnoses of sub-epithelial gastric masses include benign and malignant. [...]the patient chose to receive CT examination. The CT results suggested cholecystitis, thickening of the gastric wall, but not found a relationship between gallbladder and stomach. Xanthogranulomatous cholecystitis is a benign, chronic inflammatory disease of the gallbladder consisting of multiple yellow-brown intramural nodules that are characterized by extensive fibrosis and foam cells. [9] The gallbladder wall may appear irregular and thickened, with adhesions to surrounding tissue, and fistulas may develop into adjacent organs, and in some cases, can cause Mirizzi syndrome. [...]patients' psychological status will affect the whole process of diagnosis and treatment. Prospective comparison of endoscopic ultrasound-guided fine-needle aspiration and surgical histology in upper gastrointestinal submucosal tumors.