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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">radiology</journal-id><journal-title-group><journal-title xml:lang="ru">Радиология — практика</journal-title><trans-title-group xml:lang="en"><trans-title>Radiology - Practice</trans-title></trans-title-group></journal-title-group><issn pub-type="epub">2713-0118</issn><publisher><publisher-name>Центральный научно-исследовательский институт лучевой диагностики</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.52560/10.52560/2713-0118-2025-12-26</article-id><article-id custom-type="elpub" pub-id-type="custom">radiology-699</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>ОРИГИНАЛЬНЫЕ СТАТЬИ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>ORIGINAL RESEARCH</subject></subj-group></article-categories><title-group><article-title>Ультразвуковое исследование высокого разрешения при проведении фотодинамической терапии базальноклеточного рака головы и шеи</article-title><trans-title-group xml:lang="en"><trans-title>High-resolution Ultrasound During Photodynamic Therapy of Basal Cell Skin Cancer of the Head and Neck</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0009-0006-0807-8250</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Хоружая</surname><given-names>С. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Khoruzhaya</surname><given-names>S. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Хоружая Светлана Сергеевна, врач ультразвуковой диагностики, заведующая отделением ультразвуковой диагностики № 3</p><p>Москва</p><p>Вклад автора: формирование концепции, написание текста статьи</p></bio><bio xml:lang="en"><p>Khoruzhaya Svetlana Sergeyevna, Ultrasonic Diagnostician, Head of Ultrasound Diagnostics Department</p><p>Moscow</p><p>Author's contribution: conceptualization, writing the text draft</p></bio><email xlink:type="simple">svetzhor@yandex.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/0000-0002-0635-4438</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Васильев</surname><given-names>А. Ю.</given-names></name><name name-style="western" xml:lang="en"><surname>Vasil′yev</surname><given-names>A. Yu.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Васильев Александр Юрьевич, доктор медицинских наук, член-корреспондент РАН, профессор кафедры радиологии, радиотерапии, радиационной гигиены и радиационной безопасности им. академиков А. С. Павлова и Ф. Г. Кроткова</p><p>Москва</p><p>Вклад автора: формирование концепции, редактирование</p></bio><bio xml:lang="en"><p>Vasil'yev Alexander Yur'yevich, Doctor of Medical Sciences, Corresponding Member of the Russian Academy of Sciences, Professor of Department of radiology, radiotherapy, radiation hygiene and radiation safety</p><p>Moscow</p><p>Author's contribution: conceptualization, editing</p></bio><email xlink:type="simple">auv62@mail.ru</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0009-0004-9923-5113</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Семин</surname><given-names>В. Е.</given-names></name><name name-style="western" xml:lang="en"><surname>Semin</surname><given-names>V. E.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Семин Владимир Евгеньевич, врач-онколог, заведующий кабинетом флуоресцентной диагностики и фотодинамической терапии</p><p>Москва</p><p>Вклад автора: формирование концепции</p></bio><bio xml:lang="en"><p>Sеmin Vladimir Evgenyevich, Oncologist, Head of the Fluorescent Diagnostics and Photodynamic Therapy Office</p><p>Moscow</p><p>Author's contribution: concept formation</p></bio><email xlink:type="simple">VladimirESemin@yandex.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/0000-0002-6716-5593</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Нечаев</surname><given-names>В. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Nechaev</surname><given-names>V. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Нечаев Валентин Александрович, кандидат медицинских наук, врач-рентгенолог, заведующий центром комплексной диагностики</p><p>Москва</p><p>Вклад автора: формирование концепции, редактирование</p></bio><bio xml:lang="en"><p>Nechaev Valentin Alexandrovich, MD, Radiologist, Head of the Center for Complex Diagnostics</p><p>Moscow</p><p>Author's contribution: conceptualization, editing</p></bio><email xlink:type="simple">dfkz2005@gmail.com</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>ГБУЗ «Городская клиническая больница имени С.С. Юдина Департамента здравоохранения города Москвы»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Moscow State Budgetary Healthcare Institution "Moscow City Hospital named after S.S. Yudin, Moscow Healthcare Department"</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>ФГБОУ ВО «Российский университет медицины» Минздрава России</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Russian Medical Academy of Continuing Professional Education of the Ministry of Healthcare of the Russian Federation</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2025</year></pub-date><pub-date pub-type="epub"><day>28</day><month>01</month><year>2025</year></pub-date><volume>0</volume><issue>1</issue><fpage>12</fpage><lpage>26</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Хоружая С.С., Васильев А.Ю., Семин В.Е., Нечаев В.А., 2025</copyright-statement><copyright-year>2025</copyright-year><copyright-holder xml:lang="ru">Хоружая С.С., Васильев А.Ю., Семин В.Е., Нечаев В.А.</copyright-holder><copyright-holder xml:lang="en">Khoruzhaya S.S., Vasil′yev A.Y., Semin V.E., Nechaev V.A.</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.radp.ru/jour/article/view/699">https://www.radp.ru/jour/article/view/699</self-uri><abstract><sec><title>Цель исследования</title><p>Цель исследования. Определить возможности ультразвукового исследования высокого разрешения кожи при планировании фотодинамической терапии и в раннем посттерапевтическом периоде.</p></sec><sec><title>Материалы и методы</title><p>Материалы и методы. Обследовано 128 пациентов, направленных на проведение фотодинамической терапии (ФДТ) базальноклеточного рака кожи области головы и шеи. Выполнению ФДТ предшествовали две диагностические методики: флуоресцентная диагностика (ФД) и ультразвуковое исследование (УЗИ) высокого разрешения. Последнее выполнялось до и в течение 24–72 ч после проведения ФДТ на аппарате экспертного класса Philips Epic 7 (США) высокочастотным линейным датчиком eL18-4 с использованием технологии MicroFlow Imaging (MFI).</p></sec><sec><title>Результаты</title><p>Результаты. При ультразвуковом исследовании оценивались горизонтальные и вертикальные размеры, микроваскуляризация опухоли. В зависимости от толщины и васкуляризации все опухоли разделились на три группы: с периферическим сосудистым рисунком (Me 1,6 мм), с периферическим и центральным сосудистым рисунком (Me 2,4 мм), с отсутствием сосудистого рисунка (Me 1,3 мм). Были выявлены значимые статистические различия (p &lt; 0,001), которые зависели от толщины опухоли. При сравнении горизонтальных размеров, полученных ультразвуковым и флуоресцентным методами диагностики, была установлена умеренной тесноты прямая связь, что было связано с различием методик. При увеличении первичных горизонтальных размеров при УЗД (протяженности) на 1 мм следовало ожидать увеличения размеров при ФД на 0,413 мм. Полученная модель объясняла 15,9 % наблюдаемой дисперсии размеров при ФД. По результатам данных толщины опухоли при УЗД и горизонтальных границ при ФД определялись параметры проводимой ФДТ. При оценке микроваскуляризации патологического очага в период 24–72 ч после ФДТ прогнозировался исход ФДТ. Сосудистый рисунок в опухоли отсутствовал в 90,5 % случаев (без учета образований с неинформативным сосудистым рисунком при первичном исследовании), в 7,6 % случаев визуализировался периферический сосудистый рисунок, вероятнее всего, это было связано с признаками активного воспаления окружающих тканей. В 1,9 % случаев сохранялась внутриопухолевая васкуляризация, что потребовало повторного проведения сеанса ФДТ.</p></sec><sec><title>Выводы</title><p>Выводы. Ультразвуковое исследование кожи в сочетании с ФД позволяет оптимизировать проведение ФДТ и оценить лечебный эффект от проводимой процедуры в раннем посттерапевтическом периоде.</p></sec></abstract><trans-abstract xml:lang="en"><sec><title>Aim</title><p>Aim. To determine the possibilities of high-resolution ultrasound examination of the skin at planning of photodynamic therapy and in the early post-therapeutic period.</p></sec><sec><title>Materials and Methods</title><p>Materials and Methods. 128 patients referred for photodynamic therapy (PDT) of basal cell skin cancer of the head and neck region were examined. The PDT was preceded by two diagnostic techniques: fluorescence diagnostics (FD) and high-resolution ultrasonography. The latter was performed before and within 24–72 h after PDT on an expert class device Philips Epic 7 (USA), high-frequency linear transducer eL18-4 using MicroFlow Imaging (MFI) technology.</p></sec><sec><title>Results</title><p>Results. Horizontal and vertical dimensions and tumor microvascularization were assessed by ultrasound. Depending on thickness and vascularization, all tumors were divided into three groups: with peripheral vascular pattern (Me 1.6 mm), with peripheral and central vascular pattern (Me 2.4 mm), and with no vascular pattern (Me 1.3 mm). Significant statistical differences (p &lt; 0.001) were found that were dependent on tumor thickness. When comparing the horizontal dimensions obtained by ultrasound and fluorescence diagnostic methods, a moderately close direct relationship was found, which was attributed to the difference in techniques. When the primary horizontal dimensions at ultrasonography (extent) increased by 1 mm, an increase in dimensions at FD of 0.413 mm was to be expected. The resulting model explained 15.9 % of the observed size variance in FD. Based on the results of tumor thickness data in ultrasonography and horizontal margins in FD, the parameters of PDT were determined. Evaluation of microvascularization of the pathological focus in the period 24–72 h after PDT predicted the outcome of PDT. The vascular pattern in the tumor was absent in 90.5 % of cases (excluding masses with uninformative vascular pattern at the primary examination), in 7.6 % of cases peripheral vascular pattern was visualized, most likely it was connected with the signs of active inflammation of the surrounding tissues. In 1.9 % of cases intratumoral vascularization remained, which required a repeated PDT session.</p></sec><sec><title>Conclusions</title><p>Conclusions. Ultrasound skin examination in combination with FD allows to optimize PDT and to estimate the therapeutic effect of the procedure in the early post-therapeutic period.</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>ультразвуковое исследование</kwd><kwd>флуоресцентная диагностика</kwd><kwd>фотодинамическая терапия</kwd><kwd>базальноклеточный рак кожи</kwd></kwd-group><kwd-group xml:lang="en"><kwd>Ultrasound</kwd><kwd>Fluorescence Diagnostics</kwd><kwd>Photodynamic Therapy</kwd><kwd>Basal Cell Skin Cancer</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Исследование не финансировалось какими-либо источниками</funding-statement><funding-statement xml:lang="en">The study was not funded by any sources.</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">Бондаренко И. Н. 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