Which intestinal polyposis syndromes are associated with hamartomatous polyps?
- Peutz-Jeghers syndrome (PJS)
- Juvenile polyposis (familial or generalized)
- Cronkhite-Canada syndrome (hamartomatous polyps with alopecia, cutaneous pigmentation, and toenail and fingernail atrophy)
- Intestinal ganglioneuromatosis (isolated or with von Recklinghausen disease or multiple endocrine neoplasia type 2)
- Ruvalcaba-Myhre-Smith syndrome (polyps of colon and tongue, macrocephaly, retardation, unique facies, pigmented penile macules)
- Cowden disease (gastrointestinal [GI] polyps with oral and cutaneous verrucous papules [tricholemmomas], associated with breast cancer, thyroid neoplasia, and ovarian cysts)
