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Screening Often Misses Endometrial Cancer in Black Women

Scholarly Journal
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A screening tool used to evaluate the need for endometrial cancer biopsies in women frequently misses the signs of this cancer in Black women, according to a new study published in JAMA Oncology . Kemi Doll, MD, MCSR, the lead researcher, and a gynecologic oncologist with the University of Washington School of Medicine, says that the results of the study suggest that the current non-invasive option of transvaginal ultrasound, or TVUS, to determine the appropriateness of a biopsy is not sufficiently accurate or racially equitable with regards to Black women. “Black women have an over 90% higher mortality rate after diagnosis of endometrial cancer when compared with white women in the U.S.,” Doll says. “This is a long-standing disparity that we have yet to make meaningful progress to address. Although we have focused before on evaluating access to healthcare, in this study we sought to evaluate the guidelines themselves.” In this study using a simulated cohort, TVUS endometrial thickness screening missed over four times more cases of endometrial cancer among Black women versus white women, owing to the greater prevalence of fibroids and non-endometrioid histology type that occurs among Black women. “This puts Black women at a higher risk of false-negative results,” Doll says. “That is unacceptable in a group that is already the most vulnerable to the worst outcomes of endometrial cancer.” One clinical pathway for determining whether a biopsy is needed is to do a TVUS to measure the thickness of the endometrium or uterine lining, Doll notes. Usually, a biopsy is then scheduled if the lining is 4 mm or greater, she says. “But not all endometrial cancer increases the lining thickness,” Doll says. “In addition, non-cancerous fibroids can make the lining harder to measure.” The TVUS strategy using a test of endometrial thickness for further biopsies and...