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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">rentrad</journal-id><journal-title-group><journal-title xml:lang="ru">Вестник рентгенологии и радиологии</journal-title><trans-title-group xml:lang="en"><trans-title>Journal of radiology and nuclear medicine</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">0042-4676</issn><issn pub-type="epub">2619-0478</issn><publisher><publisher-name>Limited Liability Company "LUCHEVAYA DIAGNOSTIKA", Russian Association of Radiologists</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.20862/0042-4676-2025-106-6-235-242</article-id><article-id custom-type="elpub" pub-id-type="custom">rentrad-1013</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 СЛУЧАИ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>CASE REPORTS</subject></subj-group></article-categories><title-group><article-title>Уникальное клиническое наблюдение уменьшения объема участков гетеротопической оссификации у ребенка с оссифицирующей прогрессирующей фибродисплазией по данным мультиспиральной компьютерной томографии всего тела</article-title><trans-title-group xml:lang="en"><trans-title>A Unique Clinical Case of Heterotopic Ossification Volume Reduction in a Child with Fibrodysplasia Ossificans Progressiva Based on Whole-Body Multislice Computed Tomography</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-6430-9590</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Гасымов</surname><given-names>Э. Г.</given-names></name><name name-style="western" xml:lang="en"><surname>Gasymov</surname><given-names>E. G.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Гасымов Эмиль Гадирович, врач-рентгенолог отделения лучевой диагностики</p><p>Каширское ш., 34А, Москва, 115522</p></bio><bio xml:lang="en"><p>Emil G. Gasymov, Radiologist, Department of Radiation Diagnostics</p><p>Kashirskoe shosse, 34А, Moscow, 115522</p></bio><email xlink:type="simple">Gasymoveg@gmail.com</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-1842-0348</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Никишина</surname><given-names>И. П.</given-names></name><name name-style="western" xml:lang="en"><surname>Nikishina</surname><given-names>I. P.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Никишина Ирина Петровна, к. м. н., заведующая лабораторией ревматических заболеваний детского возраста</p><p>Каширское ш., 34А, Москва, 115522</p></bio><bio xml:lang="en"><p>Irina P. Nikishina, Cand. Med. Sc., Head of Laboratory of Pediatric Rheumatic Diseases</p><p>Kashirskoe shosse, 34А, Moscow, 115522</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-3815-0608</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Маткава</surname><given-names>В. Г.</given-names></name><name name-style="western" xml:lang="en"><surname>Matkava</surname><given-names>V. G.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Маткава Валерия Георгиевна, мл. науч. сотр., врач-ревматолог</p><p>Каширское ш., 34А, Москва, 115522</p></bio><bio xml:lang="en"><p>Valeriia G. Matkava, Junior Researcher, Rheumatologist</p><p>Kashirskoe shosse, 34А, Moscow, 115522</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-7418-9369</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Смирнов</surname><given-names>А. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Smirnov</surname><given-names>А. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Смирнов Александр Викторович, д. м. н., вед. науч. сотр. лаборатории инструментальной диагностики</p><p>Каширское ш., 34А, Москва, 115522</p></bio><bio xml:lang="en"><p>Аlexander V. Smirnov, Dr. Med. Sc., Leading Researcher, Laboratory of Instrumental Diagnostics</p><p>Kashirskoe shosse, 34А, Moscow, 115522</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-9803-0221</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Арсеньева</surname><given-names>С. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Arsenyeva</surname><given-names>S. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Арсеньева Светлана Владимировна, мл. науч. сотр., врач-ревматолог</p><p>Каширское ш., 34А, Москва, 115522</p></bio><bio xml:lang="en"><p>Svetlana V. Arsenyeva, Junior Researcher, Rheumatologist</p><p>Kashirskoe shosse, 34А, Moscow, 115522</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-4503-7750</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Бланк</surname><given-names>Л. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Blank</surname><given-names>L. M.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Бланк Леонид Михайлович, заведующий отделением лучевой диагностики, врач-рентгенолог</p><p>Каширское ш., 34А, Москва, 115522</p></bio><bio xml:lang="en"><p>Leonid M. Blank, Head of Department of Radiation Diagnostics, Radiologist</p><p>Kashirskoe shosse, 34А, Moscow, 115522</p></bio><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>ФГБНУ «Научно-исследовательский институт ревматологии им. В.А. Насоновой» Минздрава России</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Nasonova Research Institute of Rheumatology</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2025</year></pub-date><pub-date pub-type="epub"><day>19</day><month>03</month><year>2026</year></pub-date><volume>106</volume><issue>6</issue><fpage>235</fpage><lpage>242</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Гасымов Э.Г., Никишина И.П., Маткава В.Г., Смирнов А.В., Арсеньева С.В., Бланк Л.М., 2026</copyright-statement><copyright-year>2026</copyright-year><copyright-holder xml:lang="ru">Гасымов Э.Г., Никишина И.П., Маткава В.Г., Смирнов А.В., Арсеньева С.В., Бланк Л.М.</copyright-holder><copyright-holder xml:lang="en">Gasymov E.G., Nikishina I.P., Matkava V.G., Smirnov А.V., Arsenyeva S.V., Blank L.M.</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.russianradiology.ru/jour/article/view/1013">https://www.russianradiology.ru/jour/article/view/1013</self-uri><abstract><p>Фибродисплазия оссифицирующая прогрессирующая (ФОП) представляет собой крайне редкое генетическое заболевание с аутосомно-доминантным типом наследования. Развитие ФОП обусловлено мутацией в гене ACVR1, который кодирует рецептор костного морфогенетического белка, что приводит к неконтролируемому формированию гетеротопических оссификатов (ГО) и вызывает неуклонное прогрессирование инвалидизации вплоть до полной утраты подвижности. Низкодозная мультиспиральная компьютерная томография (НДКТ) является «золотым стандартом» в получении информации по локализации и распространенности участков ГО. Помимо высокой разрешающей способности НДКТ метод позволяет с помощью специализированного программного обеспечения провести математическое измерение объемных параметров участков ГО, что может быть крайне полезно для мониторинга статуса заболевания и оценки прогрессирования патологического остеогенеза. В статье представлен клинический случай ФОП у 2-летнего ребенка, которому впервые в Российской Федерации проведена НДКТ всего тела с последующим подсчетом при помощи встроенного программного обеспечения общего объема участков ГО, визуализированных при выполнении исследования.</p></abstract><trans-abstract xml:lang="en"><p>Fibrodysplasia ossificans progressiva (FOP) is an extremely rare genetic disorder inherited in an autosomal dominant manner. The FOP development is caused by a mutation in the ACVR1 gene, which encodes a receptor for bone morphogenetic protein, leading to uncontrolled formation of heterotopic ossifications (HO) and causing complete immobility of the patient. Low-dose multislice computed tomography (LDCT) is considered a “gold standard” for assessing the localization and extent of HO lesions. In addition to its high spatial resolution, LDCT combined with specialized software enables quantitative volumetric measurement of HO areas, which can be extremely valuable for monitoring disease progression. We present a clinical case of FOP in a 2-year-old child, for whom whole-body LDCT was performed for the first time in the Russian Federation, followed by calculation of the total HO volume visualized during examination using integrated software tools.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>фибродисплазия оссифицирующая прогрессирующая</kwd><kwd>гетеротопическая оссификация</kwd><kwd>орфанное заболевание</kwd><kwd>мультиспиральная компьютерная томография всего тела</kwd><kwd>лучевая диагностика.</kwd></kwd-group><kwd-group xml:lang="en"><kwd>fibrodysplasia ossificans progressiva</kwd><kwd>geterotopic ossification</kwd><kwd>orphan disease</kwd><kwd>low-dose multislice computed tomography</kwd><kwd>radiation diagnostics.</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">Kaplan FS, Le Merrer M, Glaser DL, et al. Fibrodysplasia ossificans progressiva. 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