Breast mass (BI-RADS 5)

Case contributed by Mohammadtaghi Niknejad

Presentation

Left breast palpable mass on physical exam.

Patient Data

Age: 40 years
Gender: Female
mri

A 33×28 mm mass with irregular and spiculated margin and type III curve on post contrast kinetic analysis is noted at the upper central portion of the left breast compatible with BI-RADS assessment category 5.

A 15×11 mm satellite lesion is also observed inferior to the main mass with the same appearance and similar enhancement pattern. 

Small lymphadenopathy is noted at the left axillary region measuring 14×10 mm.  

Case Discussion

BI-RADS 5 lesions refer to breast lesions that are highly suspicious for malignancy, requiring appropriate action to be taken (i.e. biopsy and management as appropriate). BI-RADS 5 lesions have the characteristic morphology of breast cancer with a >95% chance of being malignant.

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