History of prostate cancer in relatives may increase risk of breast cancer

the ONA take:

A recent study explored the impact of having a family history of cancer on a person’s risk of developing cancer, with a new twist.

Women with a family history of prostate cancer in first-degree relatives (fathers, brothers, sons) may have a higher risk of developing breast cancer.

Evidence indicates that having a family history of breast or prostate cancer increases a person’s risk of developing the same disease; however, the relationship between breast and prostate cancer within families is not well known.

Researchers at the Barbara Ann Karmanos Cancer Institute reviewed the cases from 78,171 women who enrolled in the Women’s Health Initiative Observational Study between 1993 and 1998 and did not have breast cancer at the start of the study.

At the end of the study, a total of 3,506 cases of breast cancer were diagnosed. Study results linked a family history of prostate cancer in first-degree relatives with a 14% increase in risk of developing breast cancer.

The researchers noted that patients and clinicians may not consider cancers in family members of the opposite sex.

However, these results suggest that clinicians should take a complete family history of all cancers, particularly among first-degree relatives, to assess a patient’s risk for developing cancer.

Black men have lower preference for investigation of prostate cancer
Women with a family history of prostate cancer in first-degree relatives may have a higher risk of developing breast cancer.
Having a family history of prostate cancer among first-degree relatives may increase a woman's risk of developing breast cancer. That is the conclusion of a new study published early online in Cancer, a peer-reviewed journal of the American Cancer Society.
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