What is a hereditary cancer syndrome?
Cancer can be sporadic, familial, or hereditary. A sporadic cancer happens at random, maybe because of a mistake that occurred when cells in the body were dividing or because a person was exposed to toxins (poisons) in their environment—for example, cigarette smoke—over a long period of time. A familial cancer occurs in members of the same family and is likely caused by a combination of genetic and toxic environmental factors. A hereditary cancer syndrome is caused by a specific mutation (change) in a certain gene that can be passed down from parent to child. Continue reading