High Genetic Risk of Breast Cancer in Young Women

by Adeline Dorcas on  May 30, 2018 at 11:08 AM Cancer News
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Young women are at high genetic risk of breast cancer. Plastic surgeons play a vital role in counseling and managing the risk, reports a new study. The findings of the study are published in Plastic and Reconstructive Surgery®.
High Genetic Risk of Breast Cancer in Young Women
High Genetic Risk of Breast Cancer in Young Women

"Young BRCA-positive patients undergoing mastectomy have unique surgical and psychosocial needs," comments ASPS Member Surgeon Nolan S. Karp, MD, of the Hansjörg Wyss Department of Plastic Surgery at NYU Langone Health, New York.

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"Plastic surgeons must be familiar with treatment guidelines, necessary referral patterns and particular needs of these patients to appropriately manage their care."

Even for Women with BRCA Risk Genes, Low Risk of Breast Cancer Before Age 30

Dr. Karp and colleagues share their insights from working with young women who seek BRCA (breast cancer-associated) gene testing due to a family history of breast cancer. In recent years - especially after actress Angelina Jolie announced that she had undergone the procedure - there has been a sharp increase in the number of women undergoing a risk-reducing mastectomy due to hereditary breast cancer risk.

Patients undergoing risk-reducing mastectomy have the highest rate of immediate breast reconstruction. That means that plastic surgeons play an essential role in their care, together with other specialists including breast surgeons, oncologists, and genetic counselors.

Because BRCA and other genes confer a high lifelong cancer risk, young women with a family history of breast cancer may feel that they should be tested as early as possible. However, current guidelines recommend that BRCA mutation screening is performed only once women reach 18 years, is the "age of consent." While BRCA mutations are responsible for two to ten percent of breast cancers, they are present in only 0.2 to 0.3 percent of the general population.

Fortunately, the absolute risk of developing breast cancer in young women is low - only about 1.5 to 3.4 percent by age 30, depending on the mutation. Even if tested, young women may find themselves in "clinical limbo," since mastectomy risk-reducing interventions for breast cancer are usually not recommended until age 25.

Decisions about BRCA testing are not necessarily straightforward. While testing can have negative psychological consequences, some women may experience distress due to uncertainty about their risk - which could be relieved by getting tested. Testing may also influence important life decisions, including reproductive planning.

The decision should be based on the individual's maturity level, ability to process information, and make informed decisions, rather than age alone. Dr. Karp and colleagues write, "The decision-making capacity and maturity of emerging adults is an evolving process, and must be treated carefully for procedures with life-long implications."

Even when BRCA or other risk genes are present in young women, there is usually no urgency to perform a risk-reducing mastectomy. Although surgery may reduce distress and anxiety, mastectomy itself can have negative physical and psychological consequences. At any age, patients need to understand that while mastectomy can reduce risk by nearly 90 percent, it does not entirely prevent the risk of developing breast cancer.

The use of "nipple-sparing" techniques followed by immediate reconstruction - most often with implants - has increased acceptance of risk-reducing mastectomy in young women. Immediate reconstruction reduces psychological stress and problems with body image and sexuality.

Because of the high public attention to risk-reducing mastectomy and breast reconstruction, plastic surgeons may sometimes be the first physicians to encounter young women at high genetic risk of breast cancer. Dr. Karp comments, "Seamless communication between multidisciplinary teams is essential to offer evidence-based decision making for these patients."

Source: Eurekalert

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