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Fig. 2 | BMC Medical Imaging

Fig. 2

From: Atypical ductal hyperplasia diagnosed by US-guided core needle biopsy: clinical, pathological and US features associated with upgrading to malignancy

Fig. 2

Image of an unpalpable mass.US shows a hypoechoic solid mass (white arrow) with not circumscribed margin and irregular shape. This lesion was classified as breast imaging reporting and data system category 4A and diagnosed as atypical ductal hyperplasia with adenosis at US-guided core needle biopsy and as adenosis at surgery

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