This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: G.I.T, Subject name: Surgery
Gardener&;s syndrome is a rare hereditary disorder involving the colon. It is characterized by 
Select and explain. 
A. Polyposis colon, Cancer thyroid, skin tumours, B. Polyposis is jejunum, pituaitary adenoma and skin tumours, C. Polyposis colon, osteomas, epidermal inclusion cysts and fibrous tumours in the skin, D. Polyposis of gastrointestinal tract, cholangiocarcinoma and skin tumours
C: Polyposis colon, osteomas, epidermal inclusion cysts and fibrous tumours in the skin
Answer: C: Polyposis colon, osteomas, epidermal inclusion cysts and fibrous tumours in the skin 
Explanation: .GARDNER'S SYNDROME * It is commonly associated with FAP - 10%. * Presents with bone, skin, soft tissue and dental abnormalities. Jaw osteomas are very common. Other features are epidermoid cysts (50%), exostoses, fibromas, lipomas. * Associated with desmoid tumours seen in the scar, abdomen, intraabdominal region and mesenteric fibromatosis. * Congenital hyperophy of pigment layer of retina (seen as pigment spots)--commonly seen. * Often associated with MEN IIb syndrome. ref:SRB&;s manual of surgery,ed 3,pg no 834