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<article article-type="research-article" dtd-version="1.3" 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" xml:lang="ru"><front><journal-meta><journal-id journal-id-type="publisher-id">tumors</journal-id><journal-title-group><journal-title xml:lang="ru">Malignant tumours</journal-title><trans-title-group xml:lang="en"><trans-title>Malignant tumours</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2224-5057</issn><issn pub-type="epub">2587-6813</issn><publisher><publisher-name>Rosoncoweb</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.18027/2224-5057-2015-1-31-40</article-id><article-id custom-type="elpub" pub-id-type="custom">tumors-43</article-id><article-categories><subj-group subj-group-type="heading"><subject>Research Article</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="ru"><subject>ОРИГИНАЛЬНЫЕ ИССЛЕДОВАНИЯ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>ORIGINAL REPORTS</subject></subj-group></article-categories><title-group><article-title>ГЕТЕРОГЕННОСТЬ РАКА МОЛОЧНОЙ ЖЕЛЕЗЫ I СТАДИИ: БИОЛОГИЧЕСКОЕ И ПРОГНОСТИЧЕСКОЕ ЗНАЧЕНИЕ</article-title><trans-title-group xml:lang="en"><trans-title>Heterogenety of stage I breast cancer: biological and prognostic value</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>КОЛЯДИНА</surname><given-names>И. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Kolyadina</surname><given-names>I. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>к. м.н., ассистент кафедры онкологии</p></bio><bio xml:lang="en"/><email xlink:type="simple">irinakolyadina@yandex.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>ПОДДУБНАЯ</surname><given-names>И. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Poddubnaya</surname><given-names>I. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>член-корр. РАМН, профессор, д. м.н., зав. кафедрой онкологии</p></bio><bio xml:lang="en"><p>Moscow</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>ФРАНК</surname><given-names>Г. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Frank</surname><given-names>G. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>профессор, д. м.н., зав.кафедрой патологической анатомии,</p><p>г. Москва</p></bio><bio xml:lang="en"><p>Moscow</p></bio><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>КОМОВ</surname><given-names>Д. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Komov</surname><given-names>D. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>профессор, зав. отделением хирургической диагностики опухолей</p></bio><bio xml:lang="en"><p>Moscow</p></bio><xref ref-type="aff" rid="aff-3"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>КАРСЕЛАДЗЕ</surname><given-names>А. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Karseladze</surname><given-names>A. I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>профессор, д. м.н., зав. отделением патологической анатомии опухолей</p></bio><bio xml:lang="en"><p>Moscow</p></bio><xref ref-type="aff" rid="aff-3"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>ЕРМИЛОВА</surname><given-names>В. Д.</given-names></name><name name-style="western" xml:lang="en"><surname>Ermilova</surname><given-names>V. D.</given-names></name></name-alternatives><bio xml:lang="ru"><p>д. м.н., ведущий научный сотрудник отделения патологической анатомии опухолей</p></bio><bio xml:lang="en"><p>Moscow</p></bio><xref ref-type="aff" rid="aff-3"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>ВИШНЕВСКАЯ</surname><given-names>Я. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Vishnevskaya</surname><given-names>Y. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>к. м.н., научный сотрудник отделения патологической анатомии опухолей</p></bio><bio xml:lang="en"><p>Moscow</p></bio><xref ref-type="aff" rid="aff-3"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>ГБОУ ДПО РМАПО МЗ РФ</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Oncology Chair of Russian Medical Academy for Postgraduate Education;&#13;
N.N. Blokchin Russian Cancer Research Center</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>ГБОУ ДПО РМАПО МЗ РФ</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Oncology Chair of Russian Medical Academy for Postgraduate Education</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-3"><aff xml:lang="ru"><institution>ФГБНУ «РОНЦ им. Н. Н. Блохина»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>N.N. Blokchin Russian Cancer Research Center</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2015</year></pub-date><pub-date pub-type="epub"><day>20</day><month>05</month><year>2015</year></pub-date><volume>0</volume><issue>1</issue><fpage>35</fpage><lpage>45</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; КОЛЯДИНА И.В., ПОДДУБНАЯ И.В., ФРАНК Г.А., КОМОВ Д.В., КАРСЕЛАДЗЕ А.И., ЕРМИЛОВА В.Д., ВИШНЕВСКАЯ Я.В., 2015</copyright-statement><copyright-year>2015</copyright-year><copyright-holder xml:lang="ru">КОЛЯДИНА И.В., ПОДДУБНАЯ И.В., ФРАНК Г.А., КОМОВ Д.В., КАРСЕЛАДЗЕ А.И., ЕРМИЛОВА В.Д., ВИШНЕВСКАЯ Я.В.</copyright-holder><copyright-holder xml:lang="en">Kolyadina I.V., Poddubnaya I.V., Frank G.A., Komov D.V., Karseladze A.I., Ermilova V.D., Vishnevskaya Y.V.</copyright-holder><license xml:lang="ru" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>Данная работа распространяется под лицензией Creative Commons Attribution 4.0.</license-p></license><license xml:lang="en" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>This work is licensed under a Creative Commons Attribution 4.0 License.</license-p></license></permissions><self-uri xlink:href="https://www.malignanttumors.org/jour/article/view/43">https://www.malignanttumors.org/jour/article/view/43</self-uri><abstract><p>Введение программ ранней диагностики РМЖ в мире привело не только к увеличению доли неинвазивных карцином и рака молочной железы I стадии, но и к перераспределению биологических подтипов опухолей в популяции скринируемых женщин. В нашей стране доля рака молочной железы I стадии составляет всего 21,4%; биологическое и прогностическое значение размера опухоли (T1a, T1b и T1c) является неизученным. Мы проанализировали клинические и морфологические характеристики, а также прогностическое значение размера опухоли (T1a-b-c) для риска развития рецидива болезни и смерти от ее прогрессирования у 1341 больной раком молочной железы I стадии. Нами выявлено прогрессивное увеличение доли «малых» опухолей (T1a и T1b) в структуре РМЖ I стадии в течение последних 25 лет: доля микрокарцином T1aN0M0 увеличилась с 0,3% до 4,3%; доля опухолей T1bN0M0 — с 8,7 до 22,1%, что говорит об улучшении ранней диагностики заболевания. Рак молочной железы I стадии является гетерогенной группой с благоприятным течением болезни при микрокарциномах размером T1a (≤5мм) и более агрессивном — при опухолях размером T1b (6–10мм) и T1c (11–20мм). Только опухоли размером T1a имеют благоприятный биологический «портрет» (высокую долю люминального А подтипа РМЖ), что отражается на долгосрочных результатах лечения (минимальная доля рецидивов болезни и смертей от рака и лучшие показатели отдаленной выживаемости). Биологические характеристики опухолей размером T1b и T1c являются более агрессивными и представлены высокой частотой протокового рака с люминальным В и тройным негативным иммунофенотипом рака, что существенно ухудшает прогноз болезни. Биология «малых» опухолей должна учитываться при выборе наиболее оптимального адъювантного лечебного алгоритма при раке молочной железы.</p></abstract><trans-abstract xml:lang="en"><p>The introduction of breast cancer screening programs worldwide led not only to the increase of non-invasive carcinoma and stage I breast cancer percentage but also to the redistribution of biological tumor subtypes in female population screened. The proportion of stage I breast cancer is only 21,4% in our country; biological and predictive value of tumor size (T1a, T1b and T1c) is still undefined. We analyzed clinical and morphological characteristics as well as tumor size prognostic value (T1a-c) for the recurrence and death from progression risk determination in 1341 breast cancer patients with stage I tumors. We revealed progressive increase of “small” tumors proportion (T1a and T1b) in stage I breast cancer population within the last 25 years. The percentage of microinvasive carcinomas raised from 0,3% to 4,3% while T1bN0M0 proportion increased from 8,7% to 22,1%; this is the evidence of early breast cancer diagnostics improvement. Stage I breast cancer is the heterogeneous group of tumors with favorable prognosis in case of T1a (≤5 mm) and more aggressive behavior in T1b (6–10 mm) and T1c (11–20 mm). Only T1a tumors have favorable biological profile (huge proportion of luminal A subtype) which reflects upon the long-term treatment results (minimum recurrences and cancer deaths, improved overall survival). Biological behavior of T1b and T1c tumors is more aggressive with high rates of ductal carcinoma, luminal B and triple negative subtypes which significantly worsen the prognosis. The  biology of “small” tumors should be considered when choosing the optimal adjuvant treatment algorithm for breast cancer patients.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>рак молочной железы I стадии</kwd><kwd>размер опухоли T1a-b-c</kwd><kwd>биологические подтипы рака молочной железы</kwd><kwd>скрининговые и «интервальные» раки</kwd></kwd-group><kwd-group xml:lang="en"><kwd>stage I breast cancer</kwd><kwd>T1a-b-c tumor size</kwd><kwd>biological subtypes of breast cancer</kwd><kwd>screening and “interval” carcinomas</kwd></kwd-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">GLOBOGAN 2012; www. http://globocan.iarc.fr.</mixed-citation><mixed-citation xml:lang="en">GLOBOGAN 2012; www. http://globocan.iarc.fr.</mixed-citation></citation-alternatives></ref><ref id="cit2"><label>2</label><citation-alternatives><mixed-citation xml:lang="ru">Под ред. А. Д. Каприна, В. В. 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