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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">oncotomsk</journal-id><journal-title-group><journal-title xml:lang="ru">Сибирский онкологический журнал</journal-title><trans-title-group xml:lang="en"><trans-title>Siberian journal of oncology</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1814-4861</issn><issn pub-type="epub">2312-3168</issn><publisher><publisher-name>Tomsk National Research Medical Сепtеr of the Russian Academy of Sciences</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.21294/1814-4861-2017-16-1-14-22</article-id><article-id custom-type="elpub" pub-id-type="custom">oncotomsk-486</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>КЛИНИЧЕСКИЕ ИССЛЕДОВАНИЯ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>CLINICAL STUDIES</subject></subj-group></article-categories><title-group><article-title>КРИТЕРИИ МЕТАСТАТИЧЕСКОГО ПОРАЖЕНИЯ ЛИМФАТИЧЕСКИХ УЗЛОВ ПРИ РАКЕ ШЕЙКИ МАТКИ ПО ДАННЫМ МАГНИТНО-РЕЗОНАНСНОЙ ТОМОГРАФИИ</article-title><trans-title-group xml:lang="en"><trans-title>THE CRITERIA FOR LYMPH NODE METASTATIC DISEASE IN UTERINE CERVIX CANCER PATIENTS BASED ON MRI FINDINGS</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>Жук</surname><given-names>Е. Г.</given-names></name><name name-style="western" xml:lang="en"><surname>Zhuk</surname><given-names>E. G.</given-names></name></name-alternatives><bio xml:lang="ru"><p>кандидат медицинских наук, доцент кафедры лучевой диагностики Бел МАПО, Белорусская академия последипломного образования; врач МРТ-рентгеновского отделения РНПЦ ОМР, Республиканский научно-практический центр онкологии и медицинской радиологии им. Н.Н. Александрова</p><p>SPIN-код: 3931-8074</p></bio><bio xml:lang="en"><p>MD, PhD, Assistant Professor, Department of Diagnostic Imaging, Belarusian academy of Postgraduate Education; N.N. Alexandrov National Cancer Center of Belarus</p></bio><email xlink:type="simple">Elena.03@tut.by</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>Косенко</surname><given-names>И. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Kosenko</surname><given-names>I. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>доктор медицинских наук, профессор, главный научный сотрудник отдела онкомаммологии с гинекологической группой, РНПЦ ОМР им. Н.Н. Александрова </p><p>SPIN-код: 3790-4811.</p></bio><bio xml:lang="en"><p>MD, Professor, Principal Research Scientist, Department of Breast Cancer with Gynecologic Cancer Group, N.N. Alexandrov National Cancer Center of Belarus</p></bio><email xlink:type="simple">ikosenko@tut.by</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru">Государственное учреждение «Республиканский научно-практический центр онкологии и медицинской радиологии им. Н.Н. Александрова», г. Минск<country>Беларусь</country></aff><aff xml:lang="en">N.N. Alexandrov National Cancer Centre of Belarus, Minsk<country>Belarus</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2017</year></pub-date><pub-date pub-type="epub"><day>21</day><month>03</month><year>2017</year></pub-date><volume>16</volume><issue>1</issue><fpage>14</fpage><lpage>22</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Жук Е.Г., Косенко И.А., 2017</copyright-statement><copyright-year>2017</copyright-year><copyright-holder xml:lang="ru">Жук Е.Г., Косенко И.А.</copyright-holder><copyright-holder xml:lang="en">Zhuk E.G., Kosenko I.A.</copyright-holder><license 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.siboncoj.ru/jour/article/view/486">https://www.siboncoj.ru/jour/article/view/486</self-uri><abstract><p>Состояние тазовых и забрюшинных лимфатических узлов является важнейшим прогностическим фактором при раке шейки матки (РШМ). Для оценки метастатического поражения лимфатических узлов с помощью МРТ и КТ традиционно используют параметр – увеличение лимфатического узла по короткой оси более 1 см. Однако данный критерий (размер) обусловливает высокий процент диагностических ошибок. Цель исследования – разработать объективные МРТ-критерии метастатического поражения ЛУ при РШМ путём анализа линейного размера лимфатического узла по короткой и длинной оси, соотношения размера по длинной и короткой оси ЛУ (индекса конфигурации), а также нарушения зональности ЛУ (соотношения центральной и периферической зон ЛУ) и определить их диагностическую эффективность. Материал и методы. В проспективное исследование включены данные 31 пациентки с гистологически подтвержденным диагнозом РШМ, которым было выполнено радикальное хирургическое лечение со стандартной лимфодиссекцией. Анализу подверглись 60 удаленных лимфатических узлов. МРТ выполняли на магнитно-резонансных томографах 1,5Т с применением импульсных последовательностей: Т2-взвешенные изображения (ВИ), Т1-ВИ, Т2-ВИ с подавлением сигнала от жировой ткани и диффузионно-взвешенной МРТ. результаты. В проведенном исследовании параметр размера узла по короткой оси ≥0,8 см рассматривается как критерий вероятности метастатического поражения. Чувствительность и специфичность при данном пороговом уровне (≥0,8 см) составили 68,0 % (ДИ 48,3–82,9) и 80,0 % (ДИ 63,8–90,3) соответственно, ППЗ – 71 %, НПЗ – 78 %, точность – 75 % (ДИ 62,7–84,3). Соотношение размера по длинной и короткой оси ЛУ (индекса конфигурации) менее 1,47 принято как вероятность метастатического поражения. Чувствительность и специфичность при данном пороговом уровне составили 80,0 % (ДИ 60,4–91,6) и 77,1 % (ДИ 70,2–94,2) соответственно, ППЗ соответствует 71,4 %, НПЗ – 84,4 %, точность – 78,3 % (ДИ 71,8–90,9). Отсутствие гипоинтенсивного сигнала от жировых ворот ЛУ при использовании последовательности с подавлением сигнала от жировой ткани свидетельствовало в пользу метастатического поражения. По результатам анализа данного критерия чувствительность и специфичность составили 80 % (ДИ 60,4–91,6) и 85,7 % (ДИ 60,4–91,6), соответственно, ППЗ – 80 %, НПЗ – 85,7 %, точность – 83,3 % (ДИ 60,4–91,6). Заключение. Критерии размера ЛУ оказались значимыми при значении линейного размера ЛУ по короткой оси больше или равным 0,8 см и индексе конфигурации (соотношении размера по длинной и короткой оси ЛУ) менее 1,47. Дополнительное использование такого МРТ-критерия, как отсутствие гипоинтенсивного сигнала от жировых ворот ЛУ, позволило повысить точность диагностики до 92 % (ДИ 80,9–97,4).</p></abstract><trans-abstract xml:lang="en"><p>Introduction. The state of pelvic and retroperitoneal lymph nodes is an important prognostic factor for cervical cancer. Lymph node size is the most widely used CT and MR criteria for assessing lymph node status. Lymph nodes measuring more than 1cm in the short axis diameter are considered malignant. However this criterion (nodal size) is not foolproof because of a high percentage of diagnostic errors. The purpose of the study was to develop objective MRI criteria for assessing lymph node metastasis in patients with cervical cancer by measuring the short- and the long-axis diameters of lymph nodes, short axis/long axis ratio (configuration index) and to evaluate their diagnostic value. Materials and methods. The prospective study included 31 patients with histologically confirmed cervical cancer, who underwent radical surgery with standard lymph node dissection. Sixty removed lymph nodes were evaluated. MRI examinations were performed using a 1.5 T scanner in T2- weighted images (T2-WI), T1-WI and T2 weighted sequences with fatty tissue signal suppressing and diffusionweighted MRI. Results. Lymph nodes measuring ≥0.8 cm in the short axis diameter were considered suspicious for metastatic disease. The sensitivity and specificity with a cutoff of ≥0.8cm were 68 % (CI 48.3‑82.9) and 80 % (CI 63.8‑90.3), respectively; the positive and negative predictive values were 71 % and 78 %, respectively; and the accuracy was 75 % (CI 62.7‑84.3). The short axis/long axis ratio (configuration index) of &lt;1.47 indicated a likelihood of pathology in the lymph node. The absence of the hypointense signal from the fatty hilum of lymph nodes was considered as a predictor of lymph node metastasis. The analysis of this criterion showed 80 % sensitivity (CI 60.4‑91.6), 85.7 % specificity (60.4‑91.6), 80 % PPV, 85.1 % NPV and 83.3 % accuracy (CI 60.4‑91.6). Conclusion. Lymph node size of ≥0.8 cm in the short axis diameter and the short axis/long axis ratio (configuration index) of &lt;1.47 appeared to be significant MRI criteria in the assessment of lymph node metastasis. The additional use of MRI criterion such as the absence of the hypointense signal from the fatty hilum of the lymph node made it possible to improve diagnostic accuracy up to 92 % (CI 80.9–97.4).</p></trans-abstract><kwd-group xml:lang="ru"><kwd>рак шейки матки</kwd><kwd>лимфатические узлы</kwd><kwd>магнитно-резонансная томография</kwd></kwd-group><kwd-group xml:lang="en"><kwd>cervical cancer</kwd><kwd>lymph nodes</kwd><kwd>magnetic resonance imaging</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">Важенин A.B., Жаров A.B., Шимоткина И.Г. Актуальные вопросы клинической онкогинекологии. М., 2010; 6–33.</mixed-citation><mixed-citation xml:lang="en">Vazhenin A.V., Zharov A.V., Shimotkina I.G. Topical issues of clinical gynecological oncology. М., 2010; 6–33. 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