Bilateral breast masses (BI-RADS 5 and 4)

Case contributed by Mohammad Taghi Niknejad
Diagnosis almost certain

Presentation

Screening mammography. Familial history of breast cancer in first-degree relatives.

Patient Data

Age: 65 years
Gender: Female
mammography

A small mass with an irregular and spiculated margin is noted in the right breast's central upper part, which causes surrounding parenchymal distortion and is highly suspicious of malignancy. (BI-RADS 5)

In addition, a small mass with an irregular margin is seen in the upper outer quadrant of the left breast. (BI-RADS 4)

Foci of calcifications with a benign appearance are scattered in both breasts. (BI-RADS 2)

Case Discussion

Ultrasound-guided core needle biopsy was performed for the bilateral breast masses, and histopathology evaluation confirmed invasive lobular carcinoma.

Invasive lobular carcinoma represents 5-10% of all breast cancer, and there is a greater rate of contralateral breast cancer compared with invasive carcinoma of no special type.

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