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  Indian J Med Microbiol
 

Figure 1: A 24-year-old female who had been breastfeeding for 6 months presented with a palpable breast mass. Ultrasonography image demonstrating a well-defined hypoechoic lesion (a) with lobulated margins (arrows) and long axis parallel to the chest wall, categorized as a suspicious lesion (Breast Imaging-Reporting and Data System category 4A) in a biopsy-proven case of lactating adenoma. (b) Histopathology image demonstrating lobules that are lined by actively secreting epithelial cells with vacuolated cytoplasm. Cells are noted to demonstrate basophilic cytoplasm, hyperchromatic nuclei with prominent nucleoli, and inconspicuous myoepithelial cell layer (H and E, ×40)

Figure 1: A 24-year-old female who had been breastfeeding for 6 months presented with a palpable breast mass. Ultrasonography image demonstrating a well-defined hypoechoic lesion (a) with lobulated margins (arrows) and long axis parallel to the chest wall, categorized as a suspicious lesion (Breast Imaging-Reporting and Data System category 4A) in a biopsy-proven case of lactating adenoma.
(b) Histopathology image demonstrating lobules that are lined by actively secreting epithelial cells with vacuolated cytoplasm. Cells are noted to demonstrate basophilic cytoplasm, hyperchromatic nuclei with prominent nucleoli, and inconspicuous myoepithelial cell layer (H and E, ×40)