Pseudo polyps are very common in the course of ulcerative colitis and Crohn's disease. Patients with long history of inflammatory bowel disease are known to be at higher risk of malignancy. Giant colonic psedopolyps are sometimes mistaken for carcinoma which may potentially lead to unnecessary surgery. We describe a case of a 62-year-old man with a large localized inflammatory lesion of the sigmoid colon. The clinical presentation of this rare tumor-like lesion, which can be considered as a localized giant pseudo polyp of the colon, mimicked malignancy or polypoid cavernous hemangioma. What is also unique in this case, is that no definite past history of inflammatory bowel disease could be demonstrated.