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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">fcmedicine</journal-id><journal-title-group><journal-title xml:lang="ru">Фундаментальная и клиническая медицина</journal-title><trans-title-group xml:lang="en"><trans-title>Fundamental and Clinical Medicine</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2500-0764</issn><issn pub-type="epub">2542-0941</issn><publisher><publisher-name>КемГМУ</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.23946/2500-0764-2026-11-1-58-64</article-id><article-id custom-type="elpub" pub-id-type="custom">fcmedicine-1153</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>ВНУТРЕННИЕ БОЛЕЗНИ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>INTERNAL MEDICINE</subject></subj-group></article-categories><title-group><article-title>Парадуоденальный (groove) панкреатит: описание клинического случая</article-title><trans-title-group xml:lang="en"><trans-title>Paraduodenal (groove) pancreatitis: case report</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-5416-0235</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Карягина</surname><given-names>М. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Karyagina</surname><given-names>M. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Карягина Мария Сергеевна, кандидат медицинских наук, доцент кафедры госпитальной терапии и клинической фармакологии</p><p>ул. Ворошилова, д. 22А, г. Кемерово, 650056 </p></bio><bio xml:lang="en"><p>Dr. Maria S. Karyagina, MD, Cand. Sci (Medicine), Associate Professor of the Department of Hospital Therapy and Clinical Pharmacology</p><p>Voroshilova Street, 22A, Kemerovo, 650056</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/0000-0003-0304-4263</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Смакотина</surname><given-names>С. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Smakotina</surname><given-names>S. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Смакотина Светлана Анатольевна, доктор медицинских наук, доцент, заведующая кафедрой госпитальной терапии и клинической фармакологии</p><p>ул. Ворошилова, д. 22А, г. Кемерово, 650056 </p></bio><bio xml:lang="en"><p>Dr. Svetlana A. Smakotina, MD, Dr.Sci/ (Medicine), Associate Professor, Head of the Department of Hospital Therapy and Clinical Pharmacology</p><p>Voroshilova Street, 22A, Kemerovo, 650056 </p></bio><email xlink:type="simple">smak67@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/0009-0005-4244-1247</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Климова</surname><given-names>М. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Klimova</surname><given-names>M. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Климова Марина Андреевна, заведующая рентгенологическим отделением №1 </p><p>ул. Н. Островского, д. 22, Кемерово, 650099 </p></bio><bio xml:lang="en"><p>Dr. Marina A. Klimova, MD, Head of the X-ray Department No. 1 </p><p>N. Ostrovsky Street, 22, Kemerovo, 650099 </p></bio><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Кемеровский государственный медицинский университет</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Kemerovo State Medical University</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Кузбасская клиническая больница скорой медицинской помощи имени М. А. Подгорбунского</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Kuzbass Clinical Hospital of Emergency Medical Care named after M.A. Podgorbunsky</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2026</year></pub-date><pub-date pub-type="epub"><day>22</day><month>03</month><year>2026</year></pub-date><volume>11</volume><issue>1</issue><fpage>58</fpage><lpage>64</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Карягина М.С., Смакотина С.А., Климова М.А., 2026</copyright-statement><copyright-year>2026</copyright-year><copyright-holder xml:lang="ru">Карягина М.С., Смакотина С.А., Климова М.А.</copyright-holder><copyright-holder xml:lang="en">Karyagina M.S., Smakotina S.A., Klimova M.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://fcm.kemsmu.ru/jour/article/view/1153">https://fcm.kemsmu.ru/jour/article/view/1153</self-uri><abstract><sec><title>Цель</title><p>Цель. Представить клиническое наблюдение парадуоденального панкреатита с анализом дифференциальной диагностики, особенностей ведения пациента и обоснованием выбора лечебной тактики.</p></sec><sec><title>Материалы и методы</title><p>Материалы и методы. Проведен анализ клинического случая мужчины 48 лет с болевым синдромом в эпигастрии, рецидивирующим в течение пяти лет. Использованы общеклинические, лабораторные методы (в том числе исследование онкомаркеров, панкреатической эластазы-1), методы лучевой и эндоскопической диагностики (эндоскопическое ультразвуковое исследование, компьютерная и магнитно-резонансная томография, фиброгастродуоденоскопия), гистологическое исследование операционного материала, а также динамическое наблюдение в течение 5 лет. Пациент дал письменное добровольное информированное согласие на публикацию данных.</p></sec><sec><title>Результаты</title><p>Результаты. У пациента выявлен сегментарный кистообразующий парадуоденальный панкреатит с утолщением медиальной стенки двенадцатиперстной кишки, кистозными включениями и сужением просвета кишки. Нормальный уровень онкомаркеров, данные гистологического исследования (хронический панкреатит с фиброзом) и стабильность процесса при динамическом наблюдении позволили исключить аденокарциному. Выполнена органосохраняющая операция (резекция головки поджелудочной железы с панкреатоеюностомией), последующая консервативная терапия оказалась эффективной без развития внешнесекреторной недостаточности.</p></sec><sec><title>Заключение</title><p>Заключение. Парадуоденальный панкреатит остается диагностической проблемой из-за редкости и сходства с опухолевыми поражениями головки поджелудочной железы. Ключевыми элементами верификации диагноза является интеграция методов лучевой диагностики, уровня онкомаркеров и морфологического исследования. Органосохраняющие хирургические вмешательства в сочетании с консервативной терапией могут быть эффективной альтернативой панкреатодуоденэктомии при подтвержденной доброкачественной природе процесса. С учетом отсутствия стандартизированных протоколов ведения пациентов с данным типом панкреатита решение вопроса о лечебной тактике должно приниматься индивидуально.</p></sec></abstract><trans-abstract xml:lang="en"><sec><title>Aim</title><p>Aim. To present a clinical observation of paraduodenal pancreatitis with an analysis of differential diagnosis, patient management features, and justification of treatment tactics.</p></sec><sec><title>Materials and methods</title><p>Materials and methods. A clinical case of a 48-year-old man with recurrent epigastric pain syndrome over a period of five years was analyzed. The study used general clinical and laboratory methods (including the examination of cancer markers and pancreatic elastase-1), methods of radiological and endoscopic diagnostics (endoscopic ultrasound, computed tomography and magnetic resonance imaging, fibrogastroduodenoscopy), histological examination of surgical material, and dynamic observation over a period of 5 years. The patient provided written voluntary informed consent for the publication of the data.</p></sec><sec><title>Results</title><p>Results. The patient was diagnosed with segmental cystic para-duodenal pancreatitis with thickening of the medial wall of the duodenum, cystic inclusions, and narrowing of the duodenal lumen. The normal level of cancer markers, the results of the histological examination (chronic pancreatitis with fibrosis), and the stability of the process during dynamic observation allowed for the exclusion of adenocarcinoma. An organ-preserving surgery (resection of the pancreatic head with pancreatojejunostomy) was performed, and subsequent conservative therapy proved to be effective without the development of exocrine insufficiency.</p></sec><sec><title>Conclusion</title><p>Conclusion. Paraduodenal pancreatitis remains a diagnostic challenge due to its rarity and similarity to pancreatic head tumors. The key elements of diagnosis verification include the integration of imaging techniques, the level cancer markers, and morphological studies. Organ-preserving surgical interventions, combined with conservative therapy, can be an effective alternative to pancreatoduodenectomy in cases where the process is confirmed to be benign. Given the lack of standardized protocols for managing patients with this type of pancreatitis, treatment decisions should be made on a case-by-case basis.</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>бороздчатый панкреатит</kwd><kwd>аденокарцинома поджелудочной железы</kwd><kwd>кистозная трансформация двенадцатиперстной кишки</kwd><kwd>groove-панкреатит</kwd></kwd-group><kwd-group xml:lang="en"><kwd>groove pancreatitis</kwd><kwd>trough pancreatitis</kwd><kwd>pancreatic adenocarcinoma</kwd><kwd>cystic transformation of the duodenum</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">Gobishangar S., Jenil A.A., Dinoshiga K., Mathuvanthi T., Heerthikan K. Conservative management of groove pancreatitis – A case report with literature review. Int. J. Surg. 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