Abstract
Granular cell tumor of the colon is relatively rare. We encountered a case of multiple granular cell tumors of the cecum that were discovered because of early gastric cancer and were resected simultaneously by laparoscopy. A 47-year-old man was referred to our hospital with chief complaints of epigastric pain and indications of II c lesions in the gastric antrum on upper gastrointestinal endoscopy. Computed tomography showed a tumor about 1 cm in size in the cecum, and lower gastrointestinal endoscopy showed two submucosal tumors at the same site, 12 and 10 mm in diameter. The patient was diagnosed with early gastric cancer and submucosal tumors of the cecum, and underwent laparoscopically assisted distal gastrectomy with ileocecal resection. Postoperative histopathological examination diagnosed multiple granular cell tumors of the cecum. Surgery was repeated on postoperative day 8 due to suture failure, but the subsequent course was favorable, and he was discharged in remission on hospital day 23. No standard treatment has been defined for granular cell tumors of the colon. The present case underwent ileocecal resection at the same time as a procedure for early gastric cancer, and we consider this as a valid surgical procedure in light of the fact that these multiple tumors were not diagnosed preoperatively.