Breast fibroadenoma after augmentation mammoplasty

Case contributed by Giorgio M. Baratelli
Diagnosis certain


A painless mobile lump on left breast over the last three weeks.

Patient Data

Age: 30 years
Gender: Female

Ultrasounds of the left breast show a 2 cm homogenous, well-circumscribed hypoechoic nodule, wider more than higher and with regular margins, very close to the external surface of the capsule of the prosthesis.

Case Discussion

5 years previously, the patient underwent bilateral augmentation mammoplasty for cosmetic purpose; round silicone gel implants were inserted under the pectoralis muscles through inframammary incisions.

The cosmetic results proved satisfactory and agreeable, without capsular contracture.
In the upper outer quadrant of the left breast there is a mobile, non-sensitive, firm lump measuring 2 cm in diameter, with well-defined margins; the skin over the mass is normal and in the axilla no lymph nodes are palpable.

Because the lesion is clinically benign and sonographer BI-RADS category 2, mammography is considered unnecessary and FNAC (fine needle aspiration cytology) is avoided for the risk of perforating the prosthesis, although reports showed that it is a safe technique to assess breast lesions in patients who have had augmentation mammoplasties.

The patient is anxious and prefers to remove the nodule.

Under light anesthesia, the lump is carefully removed without damaging the capsule of the implant.

The final histology confirms the diagnosis of benign fibroadenoma.

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