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Pediatric breast ultrasound use should be minimized for patients with breast pain but not a palpable mass.
Ultrasound should not be offered up for pediatric patients who experience breast pain without an accompanying palpable mass, new research indicates.
In a poster presentation during the Society of Breast Imaging/American College of Radiology 2021 Virtual Annual Meeting, Lauren K. Hinojosa, M.D., a diagnostic radiology resident at the University of Texas Southwestern Medical Center provided evidence that pointed to a minimized role for ultrasound.
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“Pediatricians should be advised to offer reassurance rather than imaging in cases of breast pain without a palpable mass,” she said. “Pediatric breast pain should not contribute to a recommendation for biopsy following breast ultrasound.”
In a retrospective study, she examined radiology reports and medical records from 310 patients under age 18 – 271 females and 39 males – who underwent breast ultrasound for breast pain between Jan. 2, 1010, and Dec. 31, 2017. The average age was 13, and 41 percent reported right-sided pain, 39 percent presented with left-sided pain, and 19 percent had bilateral discomfort.
Most patients – 65 percent – reported focal pain, and the duration of pain varied. Roughly 23 percent had experienced pain for less than a week, 13 percent between one-to-three weeks, 21 percent between one-to-six months, and 6 percent reporting between one-to-three years.
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While 196 patients (63 percent) had a palpable mass, 146 cases (47 percent) showed no sonographic correlate to the symptoms. In addition, 146 cases had benign correlates with the most common being asymmetric breast bud and benign-appearing mass. However, 18 cases (6 percent) did have a sonographic mass that could not be categorized as benign, six of which went to biopsy which revealed benign pathology, she said.
Based on these results, Hinojosa said, ultrasound did not uncover any malignancy, and biopsies in the 2 percent of cases sent for further evaluation yielded the same results.
It is important to note, she said, that no formal guidelines for managing imaging findings on pediatric breast ultrasound exist, and BI-RADS classifications are likely to over-state malignancy risk in this population. Consequently, she reiterated the need for reassurance with patients over pursuing imaging.
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