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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">Cancer Urology</journal-id><journal-title-group><journal-title xml:lang="en">Cancer Urology</journal-title><trans-title-group xml:lang="ru"><trans-title>Онкоурология</trans-title></trans-title-group></journal-title-group><issn publication-format="print">1726-9776</issn><issn publication-format="electronic">1996-1812</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">1263</article-id><article-id pub-id-type="doi">10.17650/1726-9776-2020-16-3-62-69</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>DIAGNOSIS AND TREATMENT OF URINARY SYSTEM TUMORS. PROSTATE CANCER</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>ДИАГНОСТИКА И ЛЕЧЕНИЕ ОПУХОЛЕЙ МОЧЕПОЛОВОЙ СИСТЕМЫ. Рак предстательной железы</subject></subj-group><subj-group subj-group-type="article-type"><subject></subject></subj-group></article-categories><title-group><article-title xml:lang="en">Influence of biopsy cores number performed with targeted prostate biopsy on the likelihood of a positive result in patients with clinically significant prostate cancer</article-title><trans-title-group xml:lang="ru"><trans-title>Влияние количества биоптатов, взятых при таргетной биопсии предстательной железы, на вероятность положительного результата у пациентов с клинически значимым раком предстательной железы</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-8105-7233</contrib-id><name-alternatives><name xml:lang="en"><surname>Zyryanov</surname><given-names>A. V.</given-names></name><name xml:lang="ru"><surname>Зырянов</surname><given-names>А. В.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>185 Volgogradskaya St., Ekaterinburg 620102.</p></bio><bio xml:lang="ru"><p>620102 Екатеринбург, ул. Волгоградская, 185.</p></bio><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-9889-2593</contrib-id><name-alternatives><name xml:lang="en"><surname>Gulin</surname><given-names>G. A.</given-names></name><name xml:lang="ru"><surname>Гулин</surname><given-names>Г. А.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>113 Sheynkmana St., Ekaterinburg 620144; 9 Soboleva St., Ekaterinburg 620036.</p></bio><bio xml:lang="ru"><p>Гулин Георгий Андреевич - заведующий отделением лучевой диагностики ЕМЦ "УГМК-Здоровье"; врач-рентгенолог ГБУЗ СО СООД; ассистент кафедры онкологии и лучевой диагностики ФГБУ УГМ Универистета.620144 Екатеринбург, ул. Шейнкмана, 113; 620036 Екатеринбург, ул. Соболева, 29.</p></bio><email>gulingosh@gmail.com</email><xref ref-type="aff" rid="aff2"/><xref ref-type="aff" rid="aff3"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-8378-4338</contrib-id><name-alternatives><name xml:lang="en"><surname>Rubtsova</surname><given-names>N. A.</given-names></name><name xml:lang="ru"><surname>Рубцова</surname><given-names>Н. А.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>3 2 nd Botkinskiy Proezd, Moscow 125284.</p></bio><bio xml:lang="ru"><p>125284 Москва, 2-й Боткинский проезд, 3.</p></bio><xref ref-type="aff" rid="aff4"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Mager</surname><given-names>V. O.</given-names></name><name xml:lang="ru"><surname>Магер</surname><given-names>В. О.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>29 Soboleva St., Ekaterinburg 620036.</p></bio><bio xml:lang="ru"><p>620036 Екатеринбург, ул. Соболева, 29.</p></bio><xref ref-type="aff" rid="aff3"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-9297-5339</contrib-id><name-alternatives><name xml:lang="en"><surname>Putintsev</surname><given-names>A. E.</given-names></name><name xml:lang="ru"><surname>Путинцев</surname><given-names>А. Е.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>113 Sheynkmana St., Ekaterinburg 620144.</p></bio><bio xml:lang="ru"><p>620144 Екатеринбург, ул. Шейнкмана, 113.</p></bio><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-2212-435X</contrib-id><name-alternatives><name xml:lang="en"><surname>Kuznetsova</surname><given-names>S. G.</given-names></name><name xml:lang="ru"><surname>Кузнецова</surname><given-names>С. Г.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>185 Volgogradskaya St., Ekaterinburg 620102.</p></bio><bio xml:lang="ru"><p>620102 Екатеринбург, ул. Волгоградская, 185.</p></bio><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-3957-5330</contrib-id><name-alternatives><name xml:lang="en"><surname>Kuznetsova</surname><given-names>D. D.</given-names></name><name xml:lang="ru"><surname>Кузнецова</surname><given-names>Д. Д.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>19 Mira St., Ekaterinburg 620002.</p></bio><bio xml:lang="ru"><p>620002 Екатеринбург, ул. Мира, 19.</p></bio><xref ref-type="aff" rid="aff5"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Sverdlovsk Region Clinical Hospital No 1</institution></aff><aff><institution xml:lang="ru">Свердловская областная клиническая больница № 1</institution></aff></aff-alternatives><aff-alternatives id="aff2"><aff><institution xml:lang="en">European Medical Center UGMK-Health</institution></aff><aff><institution xml:lang="ru">Европейский медицинский центр «УГМК-Здоровье»</institution></aff></aff-alternatives><aff-alternatives id="aff3"><aff><institution xml:lang="en">Sverdlovsk Regional Oncological Dispensary</institution></aff><aff><institution xml:lang="ru">Свердловский областной онкологический диспансер</institution></aff></aff-alternatives><aff-alternatives id="aff4"><aff><institution xml:lang="en">P.A. Hertzen Moscow Oncology Research Institute — branch of the National Medical Research Radiological Center, Ministry of Health of Russia</institution></aff><aff><institution xml:lang="ru">Московский научно-исследовательский онкологический институт им. П.А. Герцена — филиал ФГБУ «Национальный медицинский исследовательский центр радиологии» Минздрава России</institution></aff></aff-alternatives><aff-alternatives id="aff5"><aff><institution xml:lang="en">Ural Federal University named after the first President of Russia B.N. Yeltsin</institution></aff><aff><institution xml:lang="ru">Уральский федеральный университет им. первого Президента России Б.Н. Ельцина</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2020-09-30" publication-format="electronic"><day>30</day><month>09</month><year>2020</year></pub-date><volume>16</volume><issue>3</issue><issue-title xml:lang="en"/><issue-title xml:lang="ru"/><fpage>62</fpage><lpage>69</lpage><history><date date-type="received" iso-8601-date="2020-03-02"><day>02</day><month>03</month><year>2020</year></date><date date-type="accepted" iso-8601-date="2020-07-14"><day>14</day><month>07</month><year>2020</year></date></history><permissions><ali:free_to_read xmlns:ali="http://www.niso.org/schemas/ali/1.0/"/></permissions><self-uri xlink:href="https://oncourology.abvpress.ru/oncur/article/view/1263">https://oncourology.abvpress.ru/oncur/article/view/1263</self-uri><abstract xml:lang="en"><p><bold>Background</bold>. Targeted biopsy is proposed as a method of choice in the algorithm of prostate cancer diagnosis, but not all the features of method has been evaluated.<bold>Objective</bold>: determine the rational number of targeted biopsy samples in patients with clinically significant prostate cancer.<bold>Materials and methods</bold>. The magnetic resonance imaging and fusion biopsy data of 156 patients with suspected prostate cancer were retrospectively evaluated.<bold>Results and conclusion</bold>. In the study statistically significant dependence of the positive histological results in patients with clinically significant prostate cancer from the number of biopsy samples was found. The potential probability of a false negative histological examination with an insufficient number of biopsy samples was noted. These results confirm the latest published data of potential targeted biopsy false in true positive patients after multiparametric magnetic resonance imaging. An increase in the number of biopsy samples in the target lesion reduces the likelihood of false-negative results. The main causes of such discrepancy are some technical laxity and the heterogeneous histological structure of prostate cancer. Increase the number of biopsy cores can reduce the likelihood of false-negative results.</p><p> </p></abstract><trans-abstract xml:lang="ru"><p><bold>Введение</bold>. Таргетная биопсия предлагается в алгоритме диагностики рака предстательной железы как метод выбора, однако роль и возможности данной методики до настоящего времени остаются не полностью изученными.<bold>Цель исследования</bold> — определить минимально необходимое количество сэмплов таргетной биопсии у пациентов с клинически значимым раком предстательной железы.<bold>Материалы и методы</bold>. Проведен ретроспективный анализ результатов магнитно-резонансной томографии и таргетной биопсии у 156 пациентов с подозрением на рак предстательной железы.<bold>Результаты и заключение</bold>. Найдена статистически значимая зависимость положительного результата гистологического исследования у пациентов с клинически значимым раком предстательной железы от количества биопсийных сэмплов. Отмечена потенциальная вероятность ложноотрицательного результата гистологического исследования при недостаточном количестве биопсийных сэмплов. Данные, полученные в работе, соответствуют результатам исследований, опубликованных в литературе. Увеличение количества биопсийных столбиков в очаге интереса достоверно снижает вероятность получения ложноотрицательных результатов.</p></trans-abstract><kwd-group xml:lang="en"><kwd>prostate cancer</kwd><kwd>targeted biopsy</kwd><kwd>multiparametric magnetic resonance imaging</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>рак предстательной железы</kwd><kwd>прицельная биопсия</kwd><kwd>таргетная биопсия</kwd><kwd>мультипараметрическая магнитнорезонансная томография</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">Clinical guideline. Ministry of Health of the Russian Federation. Prostate cancer. Available at: http://www.oncology.ru/association/clinical-guidelines/2018/rak_predstatelnoy_zhelezy_pr2018.pdf. (In Russ.).</mixed-citation><mixed-citation xml:lang="ru">Клинические рекомендации. Министерство Здравоохранения Российской Федерации. Рак предстательной железы. 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