[Efficacy and safety of lyophilized concentrate purple corn (Zea mays L.) in preventing the formation of colonic polyps].

Introduction: Colorectal cancer (CRC) is a worldwide problem of public health and arises mainly from polyps. In last 25 years, a strategy called chemoprevention that consists of food intake like purple corn and turmeric or chemical substances like acetyl salicylic acid (ASA) and non-steroidal anti-inflammatory drugs (NSAIDs) that prevent effectively carcinogenesis reducing the risk of polyp development.

Objective: To determine the efficacy and safety of lyophilized concentrate of purple corn (Zea mays L.

[COLORECTAL MALIGNANT POLYP: RESULTS OF TREATMENT AND FOLLOW-UP].

We present the results of the treatment and five year or more follow-up of patients with malignant polyp removed by colonoscopic polypectomy. They were 17 male and 9 female, between 25-85 years old, mean 60.4 years.