Arab Board Radiology Final Written

Practice session

A 52-year-old female undergoes screening mammography. Magnification views demonstrate a localized cluster of calcifications in the upper outer quadrant of the left breast that are thin, irregular, linear, and branching (casting calcifications) following the distribution of a duct. According to the ACR BI-RADS Mammography lexicon, which descriptor applies to these calcifications, and what is their malignancy probability?

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