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<article xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:ali="http://www.niso.org/schemas/ali/1.0/" article-type="other" dtd-version="1.2" xml:lang="en"><front><journal-meta><journal-id journal-id-type="publisher-id">Oncohematology</journal-id><journal-title-group><journal-title xml:lang="en">Oncohematology</journal-title><trans-title-group xml:lang="ru"><trans-title>Онкогематология</trans-title></trans-title-group></journal-title-group><issn publication-format="print">1818-8346</issn><issn publication-format="electronic">2413-4023</issn><publisher><publisher-name xml:lang="en">Publishing House ABV Press</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">165</article-id><article-id pub-id-type="doi">10.17650/1818-8346-2015-10-4-34-37</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>HEMATOLOGIC MALIGNANCIES: DIAGNOSIS, TREATMENT, SUPPORTIVE CARE</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>ГЕМОБЛАСТОЗЫ: ДИАГНОСТИКА, ЛЕЧЕНИЕ, СОПРОВОДИТЕЛЬНАЯ ТЕРАПИЯ</subject></subj-group><subj-group subj-group-type="article-type"><subject></subject></subj-group></article-categories><title-group><article-title xml:lang="en">Splenic B-cell marginal zone lymphoma with marked plasmocytic differentiation: tumor variant from Mott cells?</article-title><trans-title-group xml:lang="ru"><trans-title>Селезеночная В-клеточная лимфома из клеток маргинальной зоны с выраженной плазмоклеточной дифференцировкой: вариант опухоли из клеток Мотта?</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Julhakyan</surname><given-names>U. L.</given-names></name><name xml:lang="ru"><surname>Джулакян</surname><given-names>У. Л.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>4 Novyy Zykovskiy Proezd, Moscow,125167</p></bio><bio xml:lang="ru"><p>125167, Москва, Новый Зыковский пр-д, 4</p></bio><email>julhakyan.h@blood.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Dvirnyk</surname><given-names>V. N.</given-names></name><name xml:lang="ru"><surname>Двирнык</surname><given-names>В. Н.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>4 Novyy Zykovskiy Proezd, Moscow,125167</p></bio><bio xml:lang="ru"><p>125167, Москва, Новый Зыковский пр-д, 4</p></bio><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Mendeleeva</surname><given-names>L. P.</given-names></name><name xml:lang="ru"><surname>Менделеева</surname><given-names>Л. П.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>4 Novyy Zykovskiy Proezd, Moscow,125167</p></bio><bio xml:lang="ru"><p>125167, Москва, Новый Зыковский пр-д, 4</p></bio><xref ref-type="aff" rid="aff1"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">National Research Center for Hematology, Ministry of Health of Russia</institution></aff><aff><institution xml:lang="ru">ФГБУ ГНЦ Минздрава России</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2015-12-23" publication-format="electronic"><day>23</day><month>12</month><year>2015</year></pub-date><volume>10</volume><issue>4</issue><issue-title xml:lang="en"/><issue-title xml:lang="ru"/><fpage>34</fpage><lpage>37</lpage><history><date date-type="received" iso-8601-date="2015-12-23"><day>23</day><month>12</month><year>2015</year></date><date date-type="accepted" iso-8601-date="2015-12-23"><day>23</day><month>12</month><year>2015</year></date></history><permissions><ali:free_to_read xmlns:ali="http://www.niso.org/schemas/ali/1.0/"/></permissions><self-uri xlink:href="https://oncohematology.abvpress.ru/ongm/article/view/165">https://oncohematology.abvpress.ru/ongm/article/view/165</self-uri><abstract xml:lang="en"><p>Splenic B-cell marginal zone lymphoma (SMZL) – a rare B-cell non-Hodgkin, s lymphoma, which is represented morphologically by mature lymphoid cells, corresponding to lymphocytes of secondary follicles marginal zone by immunological characteristics. Plasma cell differentiation can be in marginal zone lymphoma, but we described a single case of abundance of Mott cells as a tumor substrate in splenic B-cell marginal zone lymphoma.</p><p>We present the first case of SMZL represented by Mott cells. This was the second case of Mott cells tumor described in Russia.</p><p>This observation is the only case among the collected material of splenic lymphomas. The morphological pattern is characterized by marked proliferation of monoclonal lymphoid cells with plasma cell differentiation with presence of Mott cells and is evidence of intense intracellular secretion of immunoglobulins.</p></abstract><trans-abstract xml:lang="ru"><p>Селезеночная В-клеточная лимфома из клеток маргинальной зоны (СЛКМЗ) – редкая В-клеточная неходжкинская лимфома, представленная морфологически зрелыми лимфоидными клетками, по своим иммунологическим характеристикам соответствующими лимфоцитам маргинальной зоны вторичного фолликула. Плазмоклеточная дифференцировка может быть при лимфоме из клеток маргинальной зоны, однако описанный нами случай – единичный при селезеночной В-клеточной лимфоме из клеток маргинальной зоны, представленный в субстрате опухоли обилием клеток Мотта.</p><p>Случай СЛКМЗ, который мы приводим, – 1-й представленный клетками Мотта и 2-й описанный в России.</p><p>Пока это единственное наблюдение среди накопленного материала по селезеночным лимфомам. Для морфологической картины характерны выраженная пролиферация моноклональных лимфоидных клеток с плазмоклеточной дифференцировкой с наличием клеток Мотта и интенсивная внутриклеточная секреция иммуноглобулинов при СЛКМЗ.</p></trans-abstract><kwd-group xml:lang="en"><kwd>splenic B-cell lymphoma</kwd><kwd>Mott cells</kwd><kwd>cytology</kwd><kwd>histochemistry</kwd><kwd>immunoglobulins</kwd><kwd>kappa</kwd><kwd>immunohistochemical study</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>селезеночная В-клеточная лимфома</kwd><kwd>клетки Мотта</kwd><kwd>цитология</kwd><kwd>гистохимия</kwd><kwd>иммуноглобулины</kwd><kwd>каппа</kwd><kwd>иммуно-гистохимическое исследование</kwd></kwd-group><funding-group/></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><citation-alternatives><mixed-citation xml:lang="en">1. Russell W. An address on a characteristic organism of cancer. Br Med J 1890;2(1563):1356–60.</mixed-citation><mixed-citation xml:lang="ru">Russell W. 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