<prompt> Osteomas, adenomatous polyps of intestine periampullary carcinomas are seen in -Cowden syndromePeutzJeghers syndromeFAPGardner syndrome  <response>: Gardner syndrome includes adenomatous polyps of the gastrointestinal tract, desmoid tumours, osteomas, epidermoid cysts, lipomas, dental abnormalities and periampullary carcinomasIt is an autosomal dominant form of polyposis characterized by the presence of multiple polyps in the colon . 