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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">ldt</journal-id><journal-title-group><journal-title xml:lang="ru">Лучевая диагностика и терапия</journal-title><trans-title-group xml:lang="en"><trans-title>Diagnostic radiology and radiotherapy</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2079-5343</issn><publisher><publisher-name>Baltic Medical Education Center</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.22328/2079-5343-2024-15-2-112-117</article-id><article-id custom-type="elpub" pub-id-type="custom">ldt-1010</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 CASE</subject></subj-group></article-categories><title-group><article-title>Динамическое наблюдение псевдомиксомы брюшины: клинический случай</article-title><trans-title-group xml:lang="en"><trans-title>Dynamic observation of pseudomyxoma peritonei: a 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/0000-0001-8279-8738</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Обединская</surname><given-names>Н. Р.</given-names></name><name name-style="western" xml:lang="en"><surname>Obedinskaya</surname><given-names>N. R.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Обединская Наталья Ростиславовна — заместитель заведующего отделением медицинской диагностики, научный сотрудник лаборатории «МРТ ТЕХНОЛОГИИ» </p><p> 630090, г. Новосибирск, Институтская ул., д. 3а</p></bio><bio xml:lang="en"><p>Natalya R. Obedinskaya — deputy head of the department of medical diagnosis, researcher assistant of the laboratory «MRI TECHNOLOGIES» </p><p>630090, Novosibirsk, Institutskaya str., 3a</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/0000-0002-8880-100X</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Богомякова</surname><given-names>О. Б.</given-names></name><name name-style="western" xml:lang="en"><surname>Bogomyakova</surname><given-names>O. B.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Богомякова Ольга Борисовна — кандидат медицинских наук, научный сотрудник лаборатории «МРТ ТЕХНОЛОГИИ»</p><p>630090, Новосибирская область, г. Новосибирск, Институтская ул., д. 3а</p></bio><bio xml:lang="en"><p>Olga B. Bogomyakova — Cand. of Sci. (Med.), researcher assistant of the laboratory «MRI TECHNOLOGIES» </p><p>630090, Novosibirsk, Institutskaya str., 3a</p></bio><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-2645-8381</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Зубарева</surname><given-names>Д. Ю.</given-names></name><name name-style="western" xml:lang="en"><surname>Zubareva</surname><given-names>D. Yu.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Зубарева Дарья Юрьевна — ординатор 2-го года обучения по специальности «Рентгенология»</p><p>630090, г. Новосибирск, ул. Пирогова, д. 2</p></bio><bio xml:lang="en"><p>Daria Yu. Zubareva — 2nd-year resident student in the specialty «Radiology»</p><p>630090, Novosibirsk, Pirogova str., 2</p></bio><xref ref-type="aff" rid="aff-3"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-1277-4113</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Тулупов</surname><given-names>А. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Tulupov</surname><given-names>A. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Тулупов Андрей Александрович — доктор медицинских наук, профессор, член-корреспондент РАН, заместитель директора по медицинским исследованиям «МРТ ТЕХНОЛОГИИ» </p><p>630090, г. Новосибирск, Институтская ул., д. 3а</p></bio><bio xml:lang="en"><p>Andrei A. Tulupov — Dr. of Sci. (Med.), professor of the Russian Academy of Sciences, Deputy Director for Medical Research «MRI TECHNOLOGIES» </p><p> 630090, Novosibirsk, Institutskaya str., 3a</p></bio><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Международный томографический центр</institution><country>Россия</country></aff><aff xml:lang="en"><institution>MRI TECHNOLOGIES</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Международный томографический центр; Новосибирский национальный исследовательский государственный университет</institution><country>Россия</country></aff><aff xml:lang="en"><institution>MRI TECHNOLOGIES; Novosibirsk National Research State University</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-3"><aff xml:lang="ru"><institution>Новосибирский национальный исследовательский государственный университет</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Novosibirsk National Research State University</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2024</year></pub-date><pub-date pub-type="epub"><day>09</day><month>08</month><year>2024</year></pub-date><volume>15</volume><issue>2</issue><fpage>112</fpage><lpage>117</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Обединская Н.Р., Богомякова О.Б., Зубарева Д.Ю., Тулупов А.А., 2024</copyright-statement><copyright-year>2024</copyright-year><copyright-holder xml:lang="ru">Обединская Н.Р., Богомякова О.Б., Зубарева Д.Ю., Тулупов А.А.</copyright-holder><copyright-holder xml:lang="en">Obedinskaya N.R., Bogomyakova O.B., Zubareva D.Y., Tulupov A.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://radiag.bmoc-spb.ru/jour/article/view/1010">https://radiag.bmoc-spb.ru/jour/article/view/1010</self-uri><abstract><sec><title>ВВЕДЕНИЕ</title><p>ВВЕДЕНИЕ: Псевдомиксома брюшины (ПМБ) является редкой патологией, без специфической клинической симптоматики, преимущественно с бессимптомным течением на ранних стадиях, что затрудняет постановку диагноза, приводит к обширным оперативным вмешательствам и снижению качества жизни пациента. ПМБ в большинстве случаев возникает вследствие инвазии или перфорации муцинозной опухоли аппендикса.ЦЕЛЬ: Продемонстрировать результаты динамического наблюдения за пациенткой с псевдомиксомой брюшины аппендикулярного происхождения с бессимптомным течением.МАТЕРИАЛЫ И МЕТОДЫ: Проведено динамическое наблюдение (с 2018 по 2024 г.) женщины 64 лет. При ежегодном плановом ультразвуковом исследовании (УЗИ) было выявлено умеренное скопление жидкости в полости малого таза, которое в динамике увеличивалось. Выполнена компьютерная томография (КТ) органов брюшной полости и забрюшинного пространства, по результатам которой определялись протяженные инфильтраты, расширение просвета аппендикса, выпот в брюшинной полости. По данным гистологического исследования верифицирована муцинозная опухоль аппендикса низкой степени злокачественности (LAMN) и псевдомиксомы брюшины (муцинозная карцинома брюшины низкой степени злокачественности — LGMCP). Пациентке проведена неполная циторедуктивная операция с гипертермической внутрибрюшинной химиотерапией (HIPEC). В ходе динамического наблюдения выполнялись МРили КТ-исследования органов брюшной полости и забрюшинного пространства.РЕЗУЛЬТАТЫ: Наличие большого объема опухолевых масс, в том числе локализующихся в области ворот печени, брыжейки тонкой кишки, не позволило провести полную циторедуктивную операцию с HIPEC. При динамическом наблюдении отмечается увеличение размеров псевдомиксомы брюшины.ЗАКЛЮЧЕНИЕ: Комплексный подход, своевременная диагностика и определение неблагоприятных участков поражения помогают определить тактику ведения пациента.</p></sec><sec><title> </title><p> </p></sec></abstract><trans-abstract xml:lang="en"><p>INTRODUCTION: Pseudomyxoma peritonei (PMP) is a rare pathology without specific clinical symptoms, predominantly asymptomatic in the early stages and can be difficult to diagnose; leads to extensive surgical procedures and reduced quality of life of the patient. PMB in most cases occurs due to invasion or perforation of a mucinous tumor of the appendix.OBJECTIVE: To perform a dynamic follow-up of a patient with pseudomyxoma peritoneum of appendicular origin with asymptomatic course.MATERIALS AND METHODS: A dynamic follow-up (from 2018 to 2024) of a 64-year-old female patient was performed. At the annual routine ultrasonography (USG) a moderate accumulation of fluid in the pelvic cavity was detected, which increased in dynamics. Computed tomography (CT) of the abdominal cavity and retroperitoneum was performed, and the results showed extended infiltrates, enlargement of the appendix lumen, and ascitic fluid in the peritoneal cavity. According to the histological study, a lowgrade appendicular mucinous neoplasms (LAMN) and pseudomyxoma of the peritoneum (low-grade mucinous carcinoma peritonei (LGMCP)) were verified. The patient underwent incomplete cytoreductive surgery with hyperthermic intraperitoneal chemotherapy (HIPEC). MRI or CT studies of the abdominal cavity and retroperitoneum were performed during dynamic follow-up.RESULTS: The presence of a large volume of tumor masses, including those localized in the area of the liver gate, mesentery of the small intestine, did not allow to perform complete cytoreductive surgery with HIPEC. During dynamic observation, an increase in the size of peritoneal pseudomyxoma was noted.CONCLUSION: A comprehensive approach, up-to-date diagnosis and identification of affected area help to determine the tactics of patient management.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>псевдомиксома брюшины</kwd><kwd>муцин</kwd><kwd>КТ</kwd><kwd>МРТ</kwd></kwd-group><kwd-group xml:lang="en"><kwd>Pseudomyxoma peritonei</kwd><kwd>mucin</kwd><kwd>CT</kwd><kwd>MRI</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">Martin-Roman L., Hannan E., Khan F.M. et al. Correlation between PSOGI pathological classification and survival outcomes of patients with pseudomyxoma peritonei treated using cytoreductive surgery and HIPEC: national referral centre experience and literature review // Pleura Peritoneum. 2023. Vol. 8, No. 2. 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