The doctor explained who needs genetic testing for the risk of developing cancer Geneticist Zhusina: Cancer in young relatives is a reason to contact a geneticist 12:58

Some cancers are almost never hereditary, so a family history of cancer may not be a sign of high genetic risk. About this portal e1.ru said geneticist Yulia Zhusina, expert of the “Not in Vain” foundation.

To find out whether a person needs genetic testing, it is better to consult a doctor: geneticist or oncologist. It should analyze the age of disease onset, the histological variant of the tumor, hereditary history, the presence of primary multiple tumors in relatives, and ethnicity.

The following cases of cancer in relatives should be on the alert: rare types of cancer, bilateral cancer of paired organs, several formations in one organ, cancer at a young age, unusual symptoms, cancer in several generations.

The doctor stated that almost any cancer can be hereditary. But the likelihood of this depends on location: breast cancer is often hereditary, and lung cancer is almost never seen. Therefore, not every cancer case seen in a relative indicates the need for testing. For example, breast cancer in a 70-year-old grandmother or lung cancer in an elderly father who has been smoking for the last 25 years does not warrant genetic testing.

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Source: Gazeta

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