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case_images: Mammogram demonstrating bilateral BIRADS3 lesions.
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case_images: Mammogram demonstrated BIRADS 3 lesions bilaterally (Figure 1).
case_images: Bilateral breast ultrasound demonstrating subareolar hypoechoic masses.
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case_images: Ultrasound performed the same day confirmed a 1.5 cm cystic lesion containing debris in the right breast and a 2.1 cm complex cystic and partially solid mass in the left breast (Figure 2).
case_images: Pathology demonstrating benign fibroadipose/breast tissue and subcutaneous tissue with cystically dilated ductal structures lined with benign cuboidal and squamous epithelium. The cystic structures are filled with keratin debris and have surrounding acute and chronic inflammation, granulation tissue, fibrosis and multinucleated foreign body-type giant cells.
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case_images: The presence of nipple discharge prompted bilateral ultrasound-guided core biopsies to rule out underlying malignancy, which revealed benign inflammatory tissue and a foreign body-type giant cell reaction in both lesions without evidence of malignancy (Figure 3). The surgical pathology of both retroareolar masses revealed fibrosis and multinucleated foreign body-type giant cells, deemed non-specific (Figure 3).