Journal
BRITISH JOURNAL OF RADIOLOGY
Volume 94, Issue 1125, Pages -Publisher
BRITISH INST RADIOLOGY
DOI: 10.1259/bjr.20210093
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BIA-ALCL is a rare subtype of T cell Non-Hodgkin Lymphoma associated with breast implants, generally localized and effectively treated with capsulectomy. Some patients may present with aggressive mass-forming subtype requiring systemic therapy.
Breast implant-associated anaplastic large cell lymphoma (BIA-ALCL) is a rare and newly recognized subtype of T cell Non-Hodgkin Lymphoma (NHLs) associated with breast implants. The mechanism involved in the development of this kind of lymphoma is still uncertain. BIA-ALCL is generally an indolent disease localized to the breast implant and its capsule and effectively treated with capsulectomy alone without chemotherapy. Clinically, BIA-ALCL may typically present a sudden-onset breast-swelling secondary to periimplant effusion. The minority of BIA-ALCL patients present a more aggressive mass-forming subtype, for which systemic therapy is mandatory. Despite the number of cases has recently increased, BIA-ALCL remains a rare disease described mainly in several case reports and small case series. Breast imaging, including mammography, ultrasound and breast MRI are routinely used in the screening of breast cancer; however, guidelines for the imaging and pathological diagnosis of this disease have only recently been proposed and included in the 2019 National Comprehensive Cancer Network (NCCN) consensus guidelines for BIA-ALCL. The main purpose of this pictorial is to illustrate the MRI signs of BIA-ALCL and correlate them with the corresponding pathology features in order to improve the knowledge of the principals MRI features of this type of lymphoma.
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