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Breast implant-associated anaplastic large cell lymphoma: A review and assessment of cutaneous manifestations.

ABSTRACT: One newly recognized form of T-cell lymphoma is breast implant-associated anaplastic large cell lymphoma (biALCL), which appears in close proximity to breast implants. The number of reported cases of biALCL is increasing and warrants careful attention by clinicians to more effectively diagnose and treat affected individuals. As pertinent to dermatologists, the objective of this paper is to present the associated cutaneous features of this clinical entity along with the pathogenesis, management, and clinical outcomes. biALCL is a T-cell lymphoma in which malignant T-cells are characterized by large pleomorphic and anaplastic morphology and immunoreactivity for CD30, similar to primary cutaneous anaplastic large cell lymphomas (pcALCL). It has a favorable clinical outcome like nonimplant-associated pcALCL and involves the fibrous capsule around the implant, which creates an immunologically privileged site with a peri-implant effusion (seroma). More rare presentations are of a solitary mass. Appropriate management of biALCL is the complete surgical removal of the implant and total capsulectomy. Dermatologists should be aware of the occurrence of this entity in patients who have breast implants because patients may present specifically for breast-related cutaneous findings or have incidental cutaneous changes noted during a skin examination. The recognition and timely diagnosis of biALCL is critical to prevent progression to more advanced disease, ensure adequate treatment with removal of the implant, and avoid unnecessary aggressive systemic chemotherapy.

SUBMITTER: Shahriari N

PROVIDER: S-EPMC5555281 | biostudies-other | 2017 Sep

REPOSITORIES: biostudies-other

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Project description:ALK-negative anaplastic large cell lymphoma associated with breast implant (i-ALCL) has been recently recognized as a distinct entity. Among 43 830 lymphomas registered in the French Lymphopath network since 2010, 300 breast lymphomas comprising 25 peripheral T-cell lymphomas (PTCL) were reviewed. Among PTCL, ALK-negative ALCL was the most frequent and all of them were associated with breast implants.Since 2010, all i-ALCL cases were collected from different institutions through Lymphopath. Immuno-morphologic features, molecular data and clinical outcome of 19 i-ALCLs have been retrospectively analyzed.The median age of the patients was 61 years and the median length between breast implant and i-ALCL was 9 years. Most implants were silicone-filled and textured. Implant removal was performed in 17 out of 19 patients with additional treatment based on mostly CHOP or CHOP-like chemotherapy regimens (n = 10/19) or irradiation (n = 1/19). CHOP alone or ABVD following radiation without implant removal have been given in two patients. The two clinical presentations, i.e. effusion and less frequently tumor mass correlated with distinct histopathologic features: in situ i-ALCL (anaplastic cell proliferation confined to the fibrous capsule) and infiltrative i-ALCL (pleomorphic cells massively infiltrating adjacent tissue with eosinophils and sometimes Reed-Sternberg-like cells mimicking Hodgkin lymphoma). Malignant cells were CD30-positive, showed a variable staining for EMA and were ALK negative. Most cases had a cytotoxic T-cell immunophenotype with variable T-cell antigen loss and pSTAT3 nuclear expression. T-cell receptor genes were clonally rearranged in 13 out of 13 tested cases. After 18 months of median follow-up, the 2-year overall survival for in situ and infiltrative i-ALCL was 100% and 52.5%, respectively.In situ i-ALCLs have an indolent clinical course and generally remain free of disease after implant removal. However, infiltrative i-ALCLs could have a more aggressive clinical course that might require additional therapy to implant removal.

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Breast implant-associated anaplastic large cell lymphoma: A review and assessment of cutaneous manifestations.

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