Özet:

Nodular fasciitis (NF) is a benign lesion that originates from the excessive proliferation of fibroblasts. NF is rare in the breast. The majority of affected patients are female. In this presentation, NF imaging findings with elastography features of a male and a female patients are presented. A 41-year-old female patient had a lesion that the upper external quadrant of the left breast in the BI-RADS 3 category. 6 months later, the lesion sizes increased and lesion' edges were angular. The lesion was upgraded to BI-RADS 4B category. A 48-year-old male patient had a lesion in the BI-RADS 5 category. Both of the lesions were hard on strain elastography. US-guided core biopsies were not diagnostic and pathologist recommended total excision. After surgery, the both lesions were diagnosed as NF pathologically. NF is a very rare lesion that mimics breast carcinoma clinically and radiologically.

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