<prompt> Which one of the following is not a premalignant condition for colon cancer?Familial adenomatous polyposis coliVillous adenomaUlcerative colitisHamaomatous polyps  <response>: .Hamaomatous polyps are seen in Peutz-Jeghers syndrome. Juvenile polyp. Cronkhite - Canada syndrome. Juvenile Polyps Commonest polyp of colorectum in infants and children. Can cause intussusception, prolapse through rectum, bleeding. Cronkite - Canada Syndrome Polyps in stomach, duodenum and colorectum. No polyps in oesophagus Intractable diarrhoea, pigmentation, cachexia, alopecia, onychodystrophy In females 15 will have malignancy Colonoscopic polypectomy is done. Not a pre-malignant condition. ref:SRB;s manual of surgery,ed 3,pg no 834 