Bilateral accessory breast tissue

Case contributed by Ammar Ashraf
Diagnosis certain


Bilateral axillary swelling with rudimentary nipples.

Patient Data

Age: 40 years
Gender: Female

Dense fibroglandular parenchyma in both breasts (type C breast density). A note is made of accessory breast tissue with rudimentary nipple/areola in both axilla (imaged with a marker). No suspicious soft tissue abnormality, architectural distortion, pleomorphic microcalcification clusters, abnormal skin thickening or nipple retraction is is seen on either side. No significant axillary lymphadenopathy is seen.

Case Discussion

Axilla is the commonest location of accessory breast tissue, although it can be seen anywhere along the milk line.

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