# Peutz-Jeghers Syndrome

National Cancer Institute

## Source

National Cancer Institute. Peutz-Jeghers Syndrome. NCI Thesaurus. Code C3324.

An inherited condition characterized by generalized hamartomatous multiple polyposis of the intestinal tract. Transmitted in an autosomal dominant fashion, Peutz-Jeghers syndrome consistently involves the jejunum and is associated with melanin spots of the lips, buccal mucosa, and fingers. This syndrome is associated with abnormalities of chromosome 19. Also known as Jeghers-Peutz syndrome and Peutz's syndrome.