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Fig. 2 | Insights into Imaging

Fig. 2

From: Imaging findings and classification of the common and uncommon male breast diseases

Fig. 2

Uncommon male breast lesions due to fibroepithelial or lobular origin. a Fibroadenoma is seen as well-defined, hypoechoic, solid lesion with posterior acoustic enhancement in US (red arrows). b Circumscribed, hypoechoic, solid lesion with slight posterior acoustic shadowing is diagnosed as “Adenosis” after biopsy (blue arrows). c, d Fibrocystic changes with apocrine metaplasia. US shows multiseptated cystic structures within retroareolar heterogeneous hypoechoic area in a 59-year-old male patient with palpable mass (yellow arrows). e After detecting right retroareolar ductal ectasia with peripheral hypoechoic heterogeneous area in US (not shown), subtraction image of dynamic MRI of 72-year-old male patient shows retroareolar well-defined enhancing focus which corresponds to the defined lesion. Biopsy reveals the diagnosis of “Fibroadenomatoid changes”. f Large, heterogeneous, ill-defined, hypoechoic mass with subcutaneous edema and pectoral muscle invasion (not shown) is diagnosed as ILC

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