Supernumerary teeth (hyperdontia) can be the result of problems such as cleidocranial dysostosis and labial palatal cleft. They also can be caused by Ehlers-Danlos syndrome, Gardner's syndrome and Fabry-Anderson syndrome.
‘Freckles’ on his retina prompts a man to get himself tested for colon cancer | Above a composite drawing showing a close-up image of a freckle CHRPE on the retina of a patient with colon polyp syndrome. CHRPE has a “statistically significant” correlation with hereditary colon polyps known as familial adenomatous polyposis, or FAP. It may be that the freckles are caused by the same genetic mutation that produces the polyps.
Familial adenomatous polyposis is a condition that mostly affects the digestive system.
osteoma What is the most common benign tumor of the nose and paranasal sinuses? Also associated with Gardner's Syndrome (image shows a sclerotic mass surrounded by air and located within the frontal sinus).