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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">medvis</journal-id><journal-title-group><journal-title xml:lang="ru">Медицинская визуализация</journal-title><trans-title-group xml:lang="en"><trans-title>Medical Visualization</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1607-0763</issn><issn pub-type="epub">2408-9516</issn><publisher><publisher-name>RDS-Media Ltd.</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.24835/1607-0763-1458</article-id><article-id custom-type="elpub" pub-id-type="custom">medvis-1458</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>БРЮШНАЯ ПОЛОСТЬ И ЗАБРЮШИННОЕ ПРОСТРАНСТВО</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>ABDOMEN AND RETROPERITONEAL</subject></subj-group></article-categories><title-group><article-title>Характеристика структуры местных осложнений некротического панкреатита в позднюю фазу с помощью КТ и МРТ</article-title><trans-title-group xml:lang="en"><trans-title>Characterization of the structure of local complications of necrotic pancreatitis in the late phase using CT and MRI</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-0854-3598</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Араблинский</surname><given-names>А. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Arablinskii</surname><given-names>A. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Араблинский Андрей Владимирович – доктор мед. наук, профессор, профессор кафедры лучевой диагностики и лучевой терапии Института клинической медицины имени Н.В. Склифосовского ФГАОУ ВО Первый МГМУ имени И.М. Сеченова Минздрава России (Сеченовский Университет), Москва</p></bio><bio xml:lang="en"><p>Andrei V. Arablinskii – Doct. of Sci. (Med.), Professor, Professor of Department of Radiology and Radiotherapy of Institute of Clinical medicine named after N.V. Sklifosovskiy of the First Moscow State Medical University (Sechenov University), Moscow</p></bio><email xlink:type="simple">arablinskiy@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/0000-0002-4933-6125</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Титов</surname><given-names>М. Ю.</given-names></name><name name-style="western" xml:lang="en"><surname>Titov</surname><given-names>M. Yu.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Титов Михаил Юрьевич – аспирант кафедры лучевой диагностики и лучевой терапии Института клинической медицины имени Н.В. Склифосовского ФГАОУ ВО Первый МГМУ имени И.М. Сеченова Минздрава России (Сеченовский Университет); врач-рентгенолог отдела лучевой диагностики ГКБ имени С.П. Боткина ДЗ города Москвы, Москва</p></bio><bio xml:lang="en"><p>Mikhail Yu. Titov – graduate student, Department of Radiology and Radiotherapy of N.V. Sklifosovskiy Institute of Clinical medicine of the First Moscow State Medical University (Sechenov University); radiologist, Department of Radiation Diagnostics of the S.P. Botkin City Clinical Hospital, Moscow</p></bio><email xlink:type="simple">tmj110993@yandex.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/0000-0003-0854-3598</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Буславская</surname><given-names>А.</given-names></name><name name-style="western" xml:lang="en"><surname>Buslavskaya</surname><given-names>A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Буславская Алиса – аспирант кафедры лучевой диагностики и лучевой терапии Института клинической медицины имени Н.В.Склифосовского ФГАОУ ВО Первый МГМУ имени И.М. Сеченова Минздрава России (Сеченовский Университет); врач-рентгенолог отдела лучевой диагностики ГКБ имени С.П. Боткина ДЗ города Москвы, Москва</p></bio><bio xml:lang="en"><p>Alisa Buslavskaya – graduate student, Department of Radiology and Radiotherapy of N.V. Sklifosovskiy Institute of Clinical medicine of the First Moscow State Medical University (Sechenov University); radiologist, Department of Radiation Diagnostics of the S.P. Botkin City Clinical Hospital, Moscow</p></bio><email xlink:type="simple">buslavskaya@gmail.com</email><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru">ФГАОУ ВО Первый Московский государственный медицинский университет имени И.М. Сеченова Минздрава России (Сеченовский Университет)<country>Россия</country></aff><aff xml:lang="en">I.M. Sechenov First Moscow State Medical University (Sechenov University)<country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru">ФГАОУ ВО Первый Московский государственный медицинский университет имени И.М. Сеченова Минздрава России (Сеченовский Университет); ГБУЗ города Москвы “Городская клиническая больница имени С.П. Боткина ДЗ города Москвы”<country>Россия</country></aff><aff xml:lang="en">I.M. Sechenov First Moscow State Medical University (Sechenov University); S.P. Botkin City Clinical Hospital<country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2024</year></pub-date><pub-date pub-type="epub"><day>04</day><month>07</month><year>2024</year></pub-date><volume>28</volume><issue>4</issue><fpage>57</fpage><lpage>69</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Араблинский А.В., Титов М.Ю., Буславская А., 2024</copyright-statement><copyright-year>2024</copyright-year><copyright-holder xml:lang="ru">Араблинский А.В., Титов М.Ю., Буславская А.</copyright-holder><copyright-holder xml:lang="en">Arablinskii A.V., Titov M.Y., Buslavskaya 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://medvis.vidar.ru/jour/article/view/1458">https://medvis.vidar.ru/jour/article/view/1458</self-uri><abstract><sec><title>Введение</title><p>Введение. Компьютерная томография (КТ) является наиболее распространенным методом визуализации, используемым для выявления некротических скоплений при остром панкреатите. Однако с помощью только КТ бывает трудно дифференцировать некротические остатки от жидкого компонента, что играет важную роль в планировании вмешательства и прогнозировании исхода.</p></sec><sec><title>Цель исследования</title><p>Цель исследования: оценить преимущества и недостатки, а также специфику применения КТ и МРТ в характеристике этих осложнений. Охарактеризовать и структурировать местные осложнения панкреонекроза в позднюю фазу с использованием КТ и МРТ.</p></sec><sec><title>Материал и методы</title><p>Материал и методы. Проанализированы данные пациентов ГКБ имени С.П. Боткина за 2017–2022 гг. с диагнозом “панкреонекроз”, которым были выполнены и КТ, и МРТ по прошествии 2 нед и более от начала заболевания (2-я или поздняя фаза панкреонекроза). Всего было 57 человек (34 мужчины и 23 женщины), возрастной диапазон 18–71 год. КТ проводилась с внутривенным четырехфазным контрастированием, для оценки использовались изображения в панкреатическую фазу, МРТ – по стандартному протоколу, включающему Т2-взвешенные изображения, или протоколу МРХПГ.</p></sec><sec><title>Результаты</title><p>Результаты. Всего было выявлено 102 перипанкреатических скопления, минимальный размер для оценки составил 20 мм, один пациент мог иметь более одного скопления. Полученные данные структурировались попарно: одному скоплению соответствовали его изображения на компьютерной и магнитно-резонансной томограммах. КТ показала чувствительность 77% в отношении плотного материала в структуре, МРТ же выявляла секвестры во всех случаях, чувствительность 100%. Визуализировать соустье главного панкреатического протока со скоплением при МРТ удавалось в 12% случаев, при КТ – в 4% случаев. Выявленные скопления были классифицированы на 3 типа, основываясь на результатах визуализации их структуры.</p></sec><sec><title>Заключение</title><p>Заключение. КТ остается “золотым стандартом” диагностики острого панкреатита и панкреонекроза, однако имеет ограниченную чувствительность в характеристике структуры местных осложнений в позднюю фазу заболевания. Использование в эти сроки МРТ ввиду ее большей тканевой контрастности позволяет уточнять состав перипанкреатических скоплений и определять их возможную связь с протоковой системой. Выделенные нами типы скоплений на основе КТ- и МРТ-визуализации способствуют более объективной оценке картины для выбора наиболее подходящего метода ведения пациента и типа возможного хирургического лечения.</p></sec></abstract><trans-abstract xml:lang="en"><sec><title>Introduction</title><p>Introduction: Computed tomography is the most common imaging modality used to identify necrotic collectionsin acute pancreatitis. However, using CT alone, it can be difficult to differentiate necrotic residues from the liquid component, which plays an important role in planning the intervention and predicting the outcome.</p></sec><sec><title>Objective</title><p>Objective. To evaluate the advantages and disadvantages, as well as the specifics of the use of CT and MRI in characterizing these complications. To characterize and structure local complications of pancreatic necrosis in the late phase using CT and MRI.</p></sec><sec><title>Materials and methods</title><p>Materials and methods. The data of patients of the Botkin State Clinical Hospital for 2017–2022 with a diagnosis of necrotising pancreatitis, who underwent both CT and MRI after 2 weeks or more from the onset of the disease (2nd or late phase of necrotising pancreatitis), were analyzed. There are 57 people in total (34 men and 23 women), the age range is 18–71 years. CT was performed with intravenous four-phase contrast, images in the pancreatic phase were used for evaluation. MRI was performed using a standard protocol including T2-weighted images or the MRCP protocol.</p></sec><sec><title>Results</title><p>Results. A total of 102 peripancreatic collectionswere identified, the minimum size for evaluation was 20 mm, one patient could have more than one collection. The data obtained were structured in pairs: one collection corresponded to its images on CT and on MRI. CT showed a sensitivity of 77% with respect to dense material in the structure, while MRI revealed sequestration in all cases, sensitivity of 100%. It was possible to visualize the communication of the main pancreatic duct with accumulation on MRI in 12% of cases, on CT in 4% of cases. The identified collectionswere classified into three types based on their structure.</p></sec><sec><title>Conclusions</title><p>Conclusions. CT remains the “gold standard” for the diagnosis of acute pancreatitis and necrotising pancreatitis, however, it has limited sensitivity in characterizing the structure of local complications in the late phase of the disease. Due to its greater tissue contrast MRI allows to assess the composition of peripancreatic collections and determine their possible connection with the ductal system. The types of collectionswe have identified based on CT and MRI imaging contribute to a more objective assessment of the picture in order to select the most appropriate method of patient management and the type of possible surgical treatment.</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>компьютерная томография</kwd><kwd>магнитно-резонансная томография</kwd><kwd>острый панкреатит</kwd><kwd>фазы панкреонекроза</kwd><kwd>секвестры</kwd></kwd-group><kwd-group xml:lang="en"><kwd>computed tomography</kwd><kwd>magnetic resonance imaging</kwd><kwd>acute pancreatitis</kwd><kwd>phases of pancreatic necrosis</kwd><kwd>sequesters</kwd></kwd-group><funding-group xml:lang="ru"><funding-statement>нет</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">Шабунин А.В., Араблинский А.В., Бедин В.В., Шиков Д.В., Лукин А.Ю., Тавобилов М.М., Греков Д.Н., Сидорова Ю.В. 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