| Cap polyposis (CP) is characterized by multiple inflammatory polyps that predominantly affect the rectosigmoid area and manifest primarily as rectal bleeding with abnormal transit, constipation or diarrhea. To date, around 67 cases have been described in the world literature. The etiology of CP is still unclear but some causes such as lower colonic mucosal prolapse, mucosal ischemia, inflammation, abnormal colonic motility, repeated trauma to the colonic mucosa caused by straining, infection and immune disorders have been proposed. CP is not a premalignant condition. |