Table 2. Common Genetic Syndromes Associated With Hamartomatous Polyps
| Syndrome | Gene | Gene Function | Hereditary Pattern |
| Cowden syndrome | PTEN | Tumor suppressor | Dominant |
| Juvenile polyposis syndrome | BMPR1A, SMAD4, ENG | Tumor suppressor | Dominant |
| Peutz-Jeghers syndrome | STK11 | Tumor suppressor | Dominant |