Primary ALK-positive anaplastic large cell lymphoma of the breast: a case report and review of the literature.

Department of Hematopathology, Dr Daneshbod Pathology Laboratory, Shiraz University of Medical Sciences, Shiraz, Iran.
Journal of Pediatric Hematology/Oncology (Impact Factor: 0.96). 02/2010; 32(2):e75-8. DOI: 10.1097/MPH.0b013e3181c80aa4
Source: PubMed

ABSTRACT Non-Hodgkin lymphomas of the breast are uncommon, which represent less than 1% of all breast malignancies and predominantly are of B-cell origin.
In this report, a rare case of anaplastic lymphoma kinase (ALK)-positive anaplastic large T-cell lymphoma in the breast of a 16-year-old female without breast implant is described. The patient presented with a 3-month history of progressive right breast swelling and erythema. Clinically, inflammatory breast carcinoma was highly suspected. A tru-cut needle biopsy of the right breast demonstrated infiltration of tumoral cells around the breast lobules and soft tissue and also in angiolymphatic spaces. The immunohistochemical profile showed positivity for CD30 and ALK and confirmed the diagnosis of ALK-positive anaplastic large T-cell lymphoma of the breast.
Anaplastic large T-cell lymphoma of the breast is rare, and can clinically mimic inflammatory breast carcinoma in adolescence.

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