Russian Journal of OncologyRussian Journal of Oncology1028-99842412-9119Eco-Vector7943110.17816/1028-9984-2021-26-1-23-28Research ArticleThe primary B-cell lymphoma of the breast: a clinical caseHoffmanAlina A.<p>Head Day Hospital</p>akod@akod22.ruFokeevSergey D.<p>MD, Dr. Sci. (Med.), Professor</p>fokeev.sergey@yandex.ruBakharevSergey Yu.fokeev.sergey@yandex.ruSamoilenkovaOlga V.fokeev.sergey@yandex.ruAltai Regional Oncological DispensaryAltai State Medical University1501202126123280109202110122021Copyright © 2021, Eco-Vector2021<p>В-cell lymphoma is manifested by a variety of forms, which makes it difficult to establish an accurate lifetime diagnosis and has an unfavorable prognosis. Therefore, every case of primary B-cell lymphoma of the breast, demands attention close attention of doctors of different specialties. The feature of the presented investigation is B-cell lymphoma, that primarily affects the right breast. This type of breast cancer develops as chronic mastitis, confirming the variety of forms of its manifestation, what cause difficulties in making accurate primary diagnosis.</p>B-cell lymphomabreastextra-fatal lesionВ-клеточная лимфомамолочная железаэкстранодальное поражение[Wiseman C, Liao KT. Primary lymphoma of the breast. Cancer. 1972;29(6):1705–1712. doi: 10.1002/1097-0142(197206)][Cohen PL, Brooks JJ. Lymphomas of the breast. A clinicopathologic and immunohistochemical study of primary and secondary cases. Cancer. 1991;67(5):1359–1369. doi: 10.1002/1097-0142(19910301)][Ganjoo K, Advani R, Mariappan MR, et al. Non-Hodgkin lymphoma of the breast. Cancer. 2007;110(1):25–30. doi: 10.1002/cncr.22753][Zvonkov EE. Pervichnye ekstranodal'nye V-kletochnye limfaticheskie opukholi: klinika, diagnostika, lechenie [dissertation]. Moscow; 2009. Available from: http://medical-diss.com/medicina/pervichnye-ekstranodalnye-v-kletochnye-limfaticheskie-opuholi-klinika-diagnostika-lechenie][Minullina RI, Afanas'eva ZA, Petrov CV, et al. Pervichnaya limfoma molochnoi zhelezy. Problems in oncology. 2010;56(6):726–728. (In Russ).]