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  • Title: Scar formation after stereotactic vacuum-assisted core biopsy of benign breast lesions.
    Author: Yazici B, Sever AR, Mills P, Fish D, Jones SE, Jones PA.
    Journal: Clin Radiol; 2006 Jul; 61(7):619-24. PubMed ID: 16784949.
    Abstract:
    AIM: To evaluate scar formation of impalpable breast lesions with benign histological outcome using stereotactic 11-gauge vacuum-assisted core biopsy (VACB). MATERIALS AND METHODS: Two hundred and ten lesions with benign histology for which follow-up mammograms were available, were assessed for scar formation at the biopsy site. All biopsies were performed using stereotactic VACB with 11-gauge needle. The incidence of post-biopsy scar formation and the number of specimens removed were determined. RESULTS: In 4.3% (9/210) of the lesions for which a biopsy was performed with 11-gauge directional vacuum-assisted technique, the follow-up mammogram revealed a scar formation. Of these, six were minimal scars, two were moderate scars and one was a marked scar. Minimal and moderate scars were diagnosed on imaging only. However, the case with marked scar formation required tissue diagnosis to rule out malignancy. CONCLUSION: Although uncommon, scar formation can be seen in the follow-up mammograms after percutaneous breast biopsies. It is important that the radiologist interpreting follow-up mammograms is aware of the features of this lesion and its relationship to the biopsy procedure.
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