La genetica y la historia familiar
Patients are referred for genetic counseling and possible testing if a genetic syndrome is known or suspected to be present in a family.
An introduction to genetic mutations, genetic syndromes and how they relate to cancer.
The article provides an introduction to the genetic mutations of BRCA1 & 2, FAP and HNPCC and associated cancer risk.
Many people believe that having no one in the family with cancer means they have no cancer risk. However, only 15-20% occur in the setting of a family history and most are not related to family history.
We hear so much about family history that it makes people think any family history is a strike against you in terms of cancer risk. In reality, only 15-20% of cancers are related to a family history.