<prompt> Gardeners syndrome is a rare hereditary disorder involving the colon. It is characterized by:Polyposis colon, cancer thyroid, skin tumoursPolyposis in jejunum, pituitary adenoma and skin tumoursPolyposis colon, osteomas, epidermal inclusion cysts and fibrous tumours in the skinPolyposis of gastrointestinal tract, Cholangiocarcinoma and skin tumours  <response>: Gardners syndrome is a hereditary disorder characterized by adenomatous polyposis of large intestine in association with osteomas, epidermoid cysts, fibrous tumors of skin and congenital hyperophy of retinal pigment epithelium. Ref: Intestinal Polyps and Polyposis: From Genetics to Treatment and Follow-up By Gian Gaetano Delaini, Page 60 