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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">Bone and soft tissue sarcomas, tumors of the skin</journal-id><journal-title-group><journal-title xml:lang="en">Bone and soft tissue sarcomas, tumors of the skin</journal-title><trans-title-group xml:lang="ru"><trans-title>Саркомы костей, мягких тканей и опухоли кожи</trans-title></trans-title-group></journal-title-group><issn publication-format="print">2219-4614</issn><issn publication-format="electronic">2782-3687</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">290</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>BONE SARCOMAS</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>САРКОМЫ КОСТЕЙ</subject></subj-group><subj-group subj-group-type="article-type"><subject></subject></subj-group></article-categories><title-group><article-title xml:lang="en">PERSPECTIVE APPROACHES IN THE EVALUATION OF THE PREOPERATIVE CHEMOTHERAPY OF BONE SARCOMAS USING PLAIN RADIOGRAPHY</article-title><trans-title-group xml:lang="ru"><trans-title>ПЕРСПЕКТИВНЫЕ НАПРАВЛЕНИЯ РЕНТГЕНОДИАГНОСТИКИ В ОЦЕНКЕ ЭФФЕКТА ХИМИОТЕРАПИИ САРКОМ КОСТЕЙ</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Bludov</surname><given-names>A. B.</given-names></name><name xml:lang="ru"><surname>Блудов</surname><given-names>А. Б.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Zamogilnaya</surname><given-names>Y. A.</given-names></name><name xml:lang="ru"><surname>Замогильная</surname><given-names>Я. А.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>yzamogilnaya@gmail.com</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Kochergina</surname><given-names>N. V.</given-names></name><name xml:lang="ru"><surname>Кочергина</surname><given-names>Н. В.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Rotobelskaya</surname><given-names>L. E.</given-names></name><name xml:lang="ru"><surname>Ротобельская</surname><given-names>Л. Е.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Nered</surname><given-names>A. S.</given-names></name><name xml:lang="ru"><surname>Неред</surname><given-names>А. С.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><xref ref-type="aff" rid="aff1"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">N.N. Blokhin Russian Cancer Research Center, Russian Academy of Medical Sciences</institution></aff><aff><institution xml:lang="ru">Российский онкологический научный центр им. Н.Н. Блохина РАМН</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2012-11-11" publication-format="electronic"><day>11</day><month>11</month><year>2012</year></pub-date><volume>4</volume><issue>4</issue><issue-title xml:lang="en"/><issue-title xml:lang="ru"/><fpage>11</fpage><lpage>17</lpage><history><date date-type="received" iso-8601-date="2022-01-11"><day>11</day><month>01</month><year>2022</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2012, Bludov A.B., Zamogilnaya Y.A., Kochergina N.V., Rotobelskaya L.E., Nered A.S.</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2012, Блудов А.Б., Замогильная Я.А., Кочергина Н.В., Ротобельская Л.Е., Неред А.С.</copyright-statement><copyright-year>2012</copyright-year><copyright-holder xml:lang="en">Bludov A.B., Zamogilnaya Y.A., Kochergina N.V., Rotobelskaya L.E., Nered A.S.</copyright-holder><copyright-holder xml:lang="ru">Блудов А.Б., Замогильная Я.А., Кочергина Н.В., Ротобельская Л.Е., Неред А.С.</copyright-holder><ali:free_to_read xmlns:ali="http://www.niso.org/schemas/ali/1.0/"/><license><ali:license_ref xmlns:ali="http://www.niso.org/schemas/ali/1.0/">https://creativecommons.org/licenses/by/4.0</ali:license_ref></license></permissions><self-uri xlink:href="https://sarbon.abvpress.ru/jour/article/view/290">https://sarbon.abvpress.ru/jour/article/view/290</self-uri><abstract xml:lang="en"><p>Purpose. To determine the informational content of the x-ray examination in the evaluation of the effectiveness of the preoperative chemotherapy of bone sarcomas in the middle and at the end of the treatment using decisive rule program. Materials and methods. To develop and verify the decisive rule program for plain radiography in the evaluation of neoadjuvant chemotherapy we analyzed 109 radiograms of patients with bone sarcomas (mostly with osteosarcoma, which composed 83,5% of the cases). The patients were examined before, in the middle and at the end of the course of the preoperative chemotherapy. Results. The sensitivity of the plain radiography using the decisive rule program on the first diagnostic stage (in the middle of the neoadjuvant chemotherapy) was 81,6% , the specificity was 64,1%. At the end of the preoperative treatment, on the second diagnostic stage, the values of the sensitivity and specificity increased up to 85,4% and 68,9% correspondingly. The characteristics of the assessment of the preoperative chemotherapy by radiologist itself and using the decisive rule program were comparable. Conclusion. The development and use of the decisive rule programs based on diagnostic and differential criteria will improve radiographic diagnostic in the evaluation of the preoperative chemotherapy of bone sarcomas.</p></abstract><trans-abstract xml:lang="ru"><p>Цель работы. Определить информативность рентгенодиагностики в оценке эффекта предоперационной химиотерапии на промежуточном и конечном этапах лечения больных саркомами костей с использованием решающего правила. Материалы и методы. Для разработки и проверки решающего правила рентгенодиагностики анализировались данные рентгенографии 109 больных, основную группу которых составили больные с остеосаркомами (83,5%). Больные обследованы до, в процессе и после проведения полихимиотерапии. Результаты. Чувствительность рентгенодиагностики с использованием решающего правила на первом (промежуточном) этапе составила 81,6%, специфичность - 64,1%. на втором (конечном) этапе диагностики показатели чувствительности и специфичности метода повысились и составили 85,4 и 68,9% соответственно. Сравнительные характеристики оценки эффекта химиотерапии рентгенологами и с помощью решающего правила сопоставимы. Заключение. Разработка решающего правила, основанного на дифференциально-диагностических критериях, является перспективным направлением. Развитие этого направления улучшит рентгенодиагностику в оценке эффекта химиотерапии сарком костей.</p></trans-abstract><kwd-group xml:lang="en"><kwd>osteosarcoma</kwd><kwd>chemotherapy</kwd><kwd>plain radiography</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>остеосаркома</kwd><kwd>химиотерапия</kwd><kwd>рентгенодиагностика</kwd></kwd-group></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>Алиев М.Д. 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