Abstract
Granular cell tumors are uncommon, usually benign tumors that can be located anywhere in the body. They commonly occur in the oral cavity and in subcutaneous tissue. In the gastrointestinal tract, granular cell tumors are uncommon and are quite rare in the colon. To date, 55 patients diagnosed with granular cell tumors of the colon have been reported in the literature, only 15 had multiple tumors. We describe the case of a 38-year-old man with a family history of colon cancer who was diagnosed with multiple colonic granular cell tumors after a screening colonoscopy. This seems to be the first report of this type. However, in our patient, the diagnosis of colonic granular cell tumors was incidental and there is no data that correlates adenomas or colorectal cancer with granular cell tumors of the colon. Finally, since granular cell tumors are usually benign, we suggest a conservative approach to patients with multiple granular cell tumors of the colon by means of endoscopic resection and a strict endoscopic follow-up.
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