Breast mass (BI-RADS 4C)

Case contributed by Mohammadtaghi Niknejad


Right breast palpable mass on physical exam.

Patient Data

Age: 45 years
Gender: Female

An isodense mass with an irregular margin and fine internal foci of calcifications is noted at the upper central portion of the right breast. (BI-RADS 4C)

Case Discussion

A BI-RADS 4 lesion under the breast imaging-reporting and data system refers to a suspicious abnormality. BI-RADS 4 lesions may not have the characteristic morphology of breast cancer but have a definite probability of being malignant. A biopsy is recommended for these lesions.

The patient underwent ultrasound guided core needle biopsy, and histopathologic evaluation confirms invasive ductal carcinoma.

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