An Incidentally Diagnosed Gastric Schwannoma During Treatment of Acute Cholecystitis: A Case Report

• Published in: Nihon Fukubu Kyukyu Igakkai Zasshi (Journal of Abdominal Emergency Medicine) Vol. 38; no. 6; pp. 1081 - 1084
• Main Authors: Aoki, Yuichi, Sekiguchi, Chuji, Naoi, Daishi, Rifu, Kazuma
• Format: Journal Article
• Language: Japanese
• Published: Japanese Society for Abdominal Emergency Medicine 30.09.2018; 日本腹部救急医学会
• Subjects: 急性胆囊炎; 粘膜下腫瘍; 胃神経鞘腫
• ISSN: 1340-2242; 1882-4781
• DOI: 10.11231/jaem.38.1081

A 67-year-old female presented with right upper quadrant abdominal pain. Physical examination showed a temperature of 38.2℃ and tenderness on palpation in the right upper quadrant. WBC count, C-reactive protein, AST, ALT, and total bilirubin were elevated. An abdominal CT scan was consistent with acute cholecystitis. Incidentally, a 70-mm submucosal tumor was seen in the gastric wall. The acute cholecystitis was treated with percutaneous transhepatic gallbladder drainage. Esophagogastroduodenoscopy (EGD) showed a submucosal tumor with an ulcer in the gastric body. Biopsy of the ulcer bed showed tangled spindle tumor cells, and immunohistochemical staining revealed S100+, desmin-, CD34-, c-kit-. And an MIB-1 index of 5～10%. The lesion was diagnosed as a gastric schwannoma. We performed partial gastrectomy, and open cholecystectomy. The patient’s post-operative course was uneventful.