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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">vsp</journal-id><journal-title-group><journal-title xml:lang="ru">Вопросы современной педиатрии</journal-title><trans-title-group xml:lang="en"><trans-title>Current Pediatrics</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1682-5527</issn><issn pub-type="epub">1682-5535</issn><publisher><publisher-name>Издательство «ПедиатрЪ»</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.15690/vsp.v20i2.2259</article-id><article-id custom-type="elpub" pub-id-type="custom">vsp-2615</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>КЛИНИЧЕСКОЕ НАБЛЮДЕНИЕ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>CLINICAL OBSERVATIONS</subject></subj-group></article-categories><title-group><article-title>Ультразвуковая дифференциальная диагностика и прогноз атрезии правого главного бронха у плода: клинический случай</article-title><trans-title-group xml:lang="en"><trans-title>Ultrasound Differential Diagnosis and Prognosis of Right Main Bronchus Atresia in Fetus: Clinical Case</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-0365-6510</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Нормурадова</surname><given-names>Н. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Normuradova</surname><given-names>Nodira M.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Нормурадова Нодира Мурадуллаевна - кандидат медицинских наук, доцент кафедры ультразвуковой диагностики.</p><p>700097, Ташкент, Чиланзар, Ц 44-37</p></bio><bio xml:lang="en"><p>Tashkent</p></bio><email xlink:type="simple">n.normuradova@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-0786-3274</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Курбанова</surname><given-names>В. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Kurbanova</surname><given-names>Vusala V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Ташкент</p></bio><bio xml:lang="en"><p>Tashkent</p></bio><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Ташкентский институт усовершенствования врачей</institution><country>Узбекистан</country></aff><aff xml:lang="en"><institution>Tashkent Institute of Advanced Medical Education</institution><country>Uzbekistan</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Республиканский центр Скрининг матери и ребенка</institution><country>Узбекистан</country></aff><aff xml:lang="en"><institution>Republican Mother and Child Screening Center</institution><country>Uzbekistan</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2021</year></pub-date><pub-date pub-type="epub"><day>17</day><month>05</month><year>2021</year></pub-date><volume>20</volume><issue>2</issue><fpage>149</fpage><lpage>153</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Нормурадова Н.М., Курбанова В.В., 2021</copyright-statement><copyright-year>2021</copyright-year><copyright-holder xml:lang="ru">Нормурадова Н.М., Курбанова В.В.</copyright-holder><copyright-holder xml:lang="en">Normuradova N.M., Kurbanova V.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://vsp.spr-journal.ru/jour/article/view/2615">https://vsp.spr-journal.ru/jour/article/view/2615</self-uri><abstract><sec><title>Обоснование</title><p>Обоснование. Обструктивное поражение верхних дыхательных путей плода является крайне редкой патологией с неблагоприятными перинатальными исходами.</p><p>Описание клинического случая. При ультразвуковом исследовании плода (гестационный возраст 21 нед 6 сут) выявлена односторонняя изолированная атрезия главного бронха. Эхографически атрезия выражалась в увеличении объема правого легкого из-за скопления секрета, повышении его эхогенности, смещении органов средостения влево и уменьшении размера левого легкого. Дифференциальную диагностику проводили с кистозно-аденоматозным пороком развития легкого III типа, врожденной лобарной эмфиземой и легочным секвестром. Эти состояния также характеризуются повышением эхогенности легкого и увеличением его объема, однако обычно ограничиваются одной долей или сегментом легкого, а легочная секвестрация имеет системное кровоснабжение. Использование высокочастотных датчиков, доплерография сосудов легкого, объемная эхография позволили детально изучить структуру легкого плода, точно рассчитать объем легких и в конечном итоге своевременно диагностировать атрезию главного бронха у плода во II триместре беременности.</p></sec><sec><title>Заключение</title><p>Заключение. Ультразвуковая диагностика изолированной атрезии главного бронха основана на обнаружении увеличения объема легкого с ипсилатеральной стороны, повышении его эхогенности, наличии гипоэхогенных линейных трубчатых структур (бронхоцеле), смещении органов средостения в противоположную сторону и крайней гипоплазии контралатерального легкого. Прогноз для жизни неблагоприятный.</p></sec></abstract><trans-abstract xml:lang="en"><sec><title>Background</title><p>Background. Obstructive lesion of upper respiratory tract in fetus is extremely rare pathology with adverse perinatal outcomes.</p><p>Clinical Case Description. Ultrasound examination of fetus (gestational age 21 weeks 6 days) has revealed one-sided isolated main bronchus atresia. Atresia was presented as enlargement of right lung due to mucus accumulation, its increased echogenicity, mediastinal displacement to the left and left lung size reduction. We performed differential diagnosis with cystic-adenomatous lung malformation type III, congenital lobar emphysema and pulmonary sequestration. These conditions are also characterized by lung echogenicity and volume increase but they are usually limited to one lung lobe or segment, and pulmonary sequestration has a systemic blood supply. The use of high-frequency transducers, lung vessels Doppler imaging and volume echography allow us to investigate in detail the lung structure of the fetus, correctly calculate the lungs volume and timely the main bronchus atresia at the second trimester of pregnancy.</p></sec><sec><title>Conclusion</title><p>Conclusion. The ultrasound diagnosis of isolated main bronchus atresia is based on revealing of increased lung volume on ipsilateral side, its increased echogenicity, presence of hypoechogenic linear tubular structures (bronchocele), mediastinal displacement to the opposite side and extreme hypoplasia of the contralateral lung. Prognosis for the life is unfavorable.</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>плод</kwd><kwd>атрезия главного бронха</kwd><kwd>гипоплазия легкого</kwd><kwd>пренатальная ультразвуковая диагностика</kwd><kwd>клинический случай</kwd></kwd-group><kwd-group xml:lang="en"><kwd>fetus</kwd><kwd>main bronchus atresia</kwd><kwd>pulmonary hypoplasia</kwd><kwd>prenatal ultrasound examination</kwd><kwd>clinical case</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Не указан</funding-statement><funding-statement xml:lang="en">Not specified</funding-statement></funding-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Машинец Н.В., Демидов В.Н., Затикян Е.П. 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