Gardener's syndrome is a rare hereditary disorder involving the colon. It is characterized by:
Polyposis colon, cancer thyroid, skin tumours Polyposis in jejunum, pituitary adenoma and skin tumours Polyposis colon, osteomas, epidermal inclusion cysts and fibrous tumours in the skin Polyposis of gastrointestinal tract, Cholangiocarcinoma and skin tumours