Table 1.
Clinical manifestations
| Family | Case no | Sex | Age at onset/admission | Initial symptoms/signs | Histology of polyps | Location | Cancer | Mutation |
| A | *A-1 | F | 10 | pigmentation | hamartomatous | throughout GIT | lung, stomach | + |
| A-2 | F | 2 | pigmentation | NA | NA | No | + | |
| B | *B-1 | F | 36 | pigmentation | hamartomatous | throughout GIT | No | + |
| *B-2 | M | 10 | pigmentation | hamartomatous | throughout GIT | No | + | |
| *B-3 | M | 6 | pigmentation | hamartomatous | throughout GIT | No | + | |
| C | C-1 | F | 2 | pigmentation | adenomatous | small intestine | No | + |
| D | D-2 | M | 50 | pigmentation | hyperplastic | colon | No | - |
| E | E-3 | M | 10 | pigmentation | no polyps | no polyps | No | - |
NA – not analysed, GIT – gastrointestinal tract, * – fulfillment of PJS criteria