Table 1.

Classification of Polyps and Polyposis Syndromes

Juvenile polyps

Inherited hamartomatous polyposis syndromes

Peutz–Jeghers syndrome

Juvenile polyposis

Cowden's syndrome

Ruvalcaba–Myhre–Smith syndrome

Inherited adenomatous polyposis syndromes

Familial polyposis coli

Gardner's syndrome

Turcot's syndrome

Noninherited polyposis

Lymphoid polyposis

Cronkhite–Canada syndrome