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Double-Mastectomy Rate Rises in Men

Men with breast cancer increasingly opted for contralateral preventative mastectomy (CPM) notwithstanding a miss of justification that a medicine improves survival, investigators reported.

Comparing 2004 to 2005 and 2010-2011, a information showed a rate of contralateral mastectomy in group roughly doubled, identical to a trend seen in women with breast cancer. The boost was many conspicuous among younger men, who comment for a incomparable share of breast cancer as compared with women.

Derived from a consortium of cancer registries, a information did not yield discernment into a reasons for a boost in preventative mastectomy, Ahmedin Jemal, DVM, PhD, of a American Cancer Society in Atlanta, and co-authors reported online in JAMA Surgery.

“Ironically, a boost in a rate of CPM, a dear procession though a presence benefit, is maturation in a face of a larger importance on value in cancer care,” a authors resolved in a investigate minute to a journal. “Healthcare professionals should be wakeful that a trends in CPM are not singular to women alone, and clinicians should teach masculine patients about a existent justification of benefit, harm, and cost of CPM in sequence to assistance patients make sensitive decisions about their treatments.”

The “very provocative analysis” emphasizes a need for some-more investigate on masculine breast cancer, pronounced Beth Overmoyer, MD, of Dana-Farber Cancer Institute in Boston. Several studies have suggested that many group who rise contralateral breast cancer bay BRCA2 mutations, that also has been demonstrated in women, quite younger women. Whether BRCA turn was a motivating cause among group in a investigate was unclear.

“Importantly, we also find that a occurrence of contralateral breast cancer is reduced among women who accept systemic diagnosis for their initial breast cancer,” Overmoyer told MedPage Today around email. “We think this is also loyal among masculine breast cancer patients, though a information are not as transparent and need to be refined.”

Though estimates change from competition to population, a rate of CPM among women has increasing nationwide. A investigate published progressing this year showed a CPM rate among 1.2 million women with breast cancer rose from 2% in 1998 to 11% in 2011. Explanations for a boost embody increasing contrast for BRCA mutations, increasing use of breast MRI to detect some-more cancers, and reformation medicine to grasp symmetry.

Considerably reduction is famous about CPM in group with breast cancer, including temporal trends in a CPM rate, a authors noted. To surprise a issue, Jemal and co-authors analyzed information from a North American Association of Central Cancer Registries.

The query constructed 6,332 cases of masculine breast cancer diagnosed from 2004 to 2011. All a patients had theatre I-III uneven breast cancer during diagnosis.

The information showed that 1,254 (19.8%) of a patients had breast-conserving surgery, 4,800 (75.8%) had mastectomy, and 278 (4.4%) had shared mastectomy.

The rate of CPM increasing by 86% from a initial 2 years of a investigate duration to a final 2 years. The rate in 2004-2005 was 3.0% contra 5.6% in 2010-2011. The magnitude of CPM decreased as studious age during diagnosis increased: 16.5% of group 20 to 39, 6.9% of those 50 to 59, and 1.4% of group 70 or comparison (P0.001).

Younger age had a strongest organisation with CPM (OR 15.3, 95% CI 7.7 to 30.4). Other factors significantly compared with CPM were competition (black contra white, OR 0.6, 95% CI 0.4 to 0.9) and open contra private word (OR 0.5, 95% CI 0.2 to 1.0).

“It is different either a use of CPM for group is with compared genetic testing, family history, captivating inflection imaging, or fear of contralateral savage cancer … that is some-more common in group than women,” a authors concluded.

The commentary have dual vital implications, one associated to destiny investigate and a other to caring supposing to group who have breast cancer, pronounced Overmoyer. From a investigate perspective, a commentary uncover a need for prospective, ongoing studies to conclude risk factors for masculine breast cancer, that would assistance patients make better-informed decisions about CPM. Such information is already accessible for women with breast cancer.

In a deficiency of minute information and data, clinicians and patients need to say a discreet proceed to a use of “costly and psychologically powerful” surgical interventions.

“We need to be certain that we are charity group suitable medical care, suggesting that we need to customarily check for hereditary risk factors that might beam preference creation for contralateral mastectomy, and we might start to offer these masculine patients complete screening for breast cancer regulating mammograms and MRI imaging, as we do with women carrying BRCA mutations, rather than burst to a surgical intervention,” pronounced Overmoyer.

Jemal and co-authors disclosed no applicable relations with industry.

  • Reviewed by
    Robert Jasmer, MD Associate Clinical Professor of Medicine, University of California, San Francisco

Article source: http://www.medpagetoday.com/HematologyOncology/BreastCancer/53405

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