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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">avk</journal-id><journal-title-group><journal-title xml:lang="ru">Архивъ внутренней медицины</journal-title><trans-title-group xml:lang="en"><trans-title>The Russian Archives of Internal Medicine</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2226-6704</issn><issn pub-type="epub">2411-6564</issn><publisher><publisher-name>“SINAPS” LLC</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.20514/2226-6704-2026-16-2-137-144</article-id><article-id custom-type="edn" pub-id-type="custom">RXLWMO</article-id><article-id custom-type="elpub" pub-id-type="custom">avk-2218</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>РАЗБОР КЛИНИЧЕСКИХ СЛУЧАЕВ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>ANALYSIS OF CLINICAL CASES</subject></subj-group></article-categories><title-group><article-title>Чистая аденокарцинома с кишечной дифференцировкой яичка как первое проявление тератомы яичка: клинический случай и обзор литературы по тактике ведения</article-title><trans-title-group xml:lang="en"><trans-title>Pure Adenocarcinoma with Intestinal Differentiation of The Testis as The First Presentation of a Testicular Teratoma: A Case Report with Literature Review of Management</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-9345-4148</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Бен Гашир</surname><given-names>Наджла Салех</given-names></name><name name-style="western" xml:lang="en"><surname>Ben Ghashir</surname><given-names>Najla Saleh</given-names></name></name-alternatives><bio xml:lang="ru"><p>Наджла Салех Бен Гашир — FRCPath (Великобритания), MBBCh. Врач-консультант, гистопатолог, отделение патологии / отделение патологии и генетики</p><p>Абу-Даби; Дубай </p></bio><bio xml:lang="en"><p>Najla Saleh Ben Ghashir — FRCPath(UK), MBBCh, Consultant Histopathologist, Pathology Section or Pathology and Genetics Department;  Dubai Academic Health Corporation </p><p>Abu Dhabi; Dubai </p></bio><email xlink:type="simple">Najla_dr2005@yahoo.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/0000-0002-4083-2800</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Бабита</surname><given-names>Алингал Мохамед</given-names></name><name name-style="western" xml:lang="en"><surname>Babitha</surname><given-names>Alingal Mohammed</given-names></name></name-alternatives><bio xml:lang="ru"><p>Ашраф АЛаккад — MD, врач-интернист, заведующий программой рационального использования противомикробных препаратов, отделение внутренних болезней</p><p>Абу-Даби</p></bio><bio xml:lang="en"><p>Dr. Babitha Alingal Mohammed — M.D., D.N.B., M.N.A.M.S., F.R.C.Path. (UK), is an anatomic and clinical pathology specialist</p><p>Abu Dhabi </p></bio><email xlink:type="simple">ashraf.alaqqad@gmail.com</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0009-0000-3753-2076</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Чехаль</surname><given-names>Ареф</given-names></name><name name-style="western" xml:lang="en"><surname>Chehal</surname><given-names>Aref</given-names></name></name-alternatives><bio xml:lang="ru"><p>Ареф Чехаль — MD, консультант, отделение онкологии и гематологии </p><p>Абу-Даби</p></bio><bio xml:lang="en"><p>Aref Chehal — MD, Consultant, Oncology and Hematology Department; Adjunct Professor of Medicine and Oncology</p><p>Abu Dhabi </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/0009-0003-3234-0384</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>АЛаккад</surname><given-names>Ашраф</given-names></name><name name-style="western" xml:lang="en"><surname>ALakkad</surname><given-names>Ashraf</given-names></name></name-alternatives><bio xml:lang="ru"><p>Д-р Бабита Алингал Мохамед — M.D., D.N.B., M.N.A.M.S., F.R.C.Path. (Великобритания) — специалист в области патологической анатомии и клинической патологии</p><p>Регион Эд-Дафра</p></bio><bio xml:lang="en"><p>Ashraf ALakkad — MD, Internist, Department of Internal Medicine, Chair of Antimicrobial Stewardship Program </p><p>Scopus ID: 60052817400, Web Of Science Researcher ID: AEW-9201-2022</p><p>AL Dhafra Region </p></bio><xref ref-type="aff" rid="aff-4"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Отделение патологии и лабораторной медицины, Медицинский центр Шейха Шахбута ; Академическая корпорация здравоохранения Дубая</institution><country>Объединенные Арабские Эмираты</country></aff><aff xml:lang="en"><institution>Department of Pathology and Laboratory Medicine, Sheikh Shakhbout Medical City</institution><country>United Arab Emirates</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Отделение патологии и лабораторной медицины, Медицинский центр Шейха Шахбута</institution><country>Объединенные Арабские Эмираты</country></aff><aff xml:lang="en"><institution>Department of Pathology and Laboratory Medicine, Sheikh Shakhbout Medical City</institution><country>United Arab Emirates</country></aff></aff-alternatives><aff-alternatives id="aff-3"><aff xml:lang="ru"><institution>Отделение онкологии и гемоонкологии, Медицинский центр Шейха Шахбута</institution><country>Объединенные Арабские Эмираты</country></aff><aff xml:lang="en"><institution>Department of Oncology and Hematooncology, Sheikh Shakhbout Medical City</institution><country>United Arab Emirates</country></aff></aff-alternatives><aff-alternatives id="aff-4"><aff xml:lang="ru"><institution>Отделение внутренних болезней, Госпиталь Мадинат Заед</institution><country>Объединенные Арабские Эмираты</country></aff><aff xml:lang="en"><institution>Department of Internal Medicine, Madinat Zayed Hospital</institution><country>United Arab Emirates</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2026</year></pub-date><pub-date pub-type="epub"><day>28</day><month>03</month><year>2026</year></pub-date><volume>16</volume><issue>2</issue><fpage>137</fpage><lpage>144</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Бен Гашир Н., Бабита А., Чехаль А., АЛаккад А., 2026</copyright-statement><copyright-year>2026</copyright-year><copyright-holder xml:lang="ru">Бен Гашир Н., Бабита А., Чехаль А., АЛаккад А.</copyright-holder><copyright-holder xml:lang="en">Ben Ghashir N., Babitha A., Chehal A., ALakkad 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.medarhive.ru/jour/article/view/2218">https://www.medarhive.ru/jour/article/view/2218</self-uri><abstract><p>Чистая аденокарцинома — это соматический тип злокачественного новообразования, возникающего из герминогенной опухоли, встречается крайне редко, но такие случаи описаны. Обычно соматическая малигнизация проявляется как саркома, реже — как карцинома. Этот редкий феномен, как правило, объясняется развитием тератоматозного компонента. В большинстве случаев диагноз не вызывает затруднений благодаря смешению различных компонентов герминогенной опухоли и наличию герминогенной неоплазии in situ (GCNIS). Однако в некоторых редких случаях метастатическая карцинома в яичке может оказаться чем-то иным. В данном клиническом случае описывается 35-летний мужчина с опухолью яичка в виде аденокарциномы с кишечными чертами, напоминающей метастатическую колоректальную карциному. В окружающей ткани яичка была обнаружена GCNIS, а флуоресцентная гибридизация in situ на аномалии хромосомы 12p выявила наличие i(12p) в тестикулярной аденокарциноме, что подтверждает общее герминогенное происхождение. После забрюшинной лимфодиссекции были обнаружены метастатические отложения слизистой аденокарциномы. Обширное клиническое обследование помогло исключить метастазирование из другого первичного очага, в частности из желудочно-кишечного тракта. Наше наблюдение указывает на то, что аденокарцинома кишечного типа в препарате после орхиэктомии, хотя чаще и представляет собой метастаз из первичной опухоли желудочно-кишечного тракта, может быть первичной опухолью яичка герминогенного происхождения. Пациент был пролечен радикальной орхиэктомией с забрюшинной метастазэктомией с последующей химиотерапией, направленной на соматический тип злокачественной гистологии, по схеме для колоректальной аденокарциномы. В течение периода наблюдения 3,5 года у пациента сохранялась полная ремиссия.</p></abstract><trans-abstract xml:lang="en"><p>Pure adenocarcinoma is a somatic-type malignancy that comes from a germ cell tumor and is extremely rare but has been reported. It is usually seen as sarcoma, and less often as carcinoma. This rare phenomenon is generally attributed to the development of a teratomatous component. In most cases, the diagnosis remains straightforward due to the mixing of different germ cell tumor parts and the existence of germ cell neoplasia in situ (GCNIS). But, there are some rare instances where metastatic carcinoma to the testis could be something more. This case presentation discusses a 35-year-old man who had a testicular tumor of adenocarcinoma with enteric features, which looked like metastatic colorectal carcinoma. GCNIS was found in the background testicular tissue, and fluorescence in situ hybridization for chromosome 12p abnormalities showed the presence of i(12p) in the testicular adenocarcinoma, which supports a shared germ cell origin. After the retroperitoneal lymph node dissection, it was found that there were metastatic deposits made up of mucinous adenocarcinoma. Extensive clinical workup helped exclude metastasis from another primary, particularly the GI tract. Our report indicates that adenocarcinoma of intestinal type in an orchiectomy specimen, although usually strongly suggestive of metastasis from a gastrointestinal tract primary, maybe a primary testicular neoplasm of germ cell tumor origin. The patient was treated with radial orchidectomy with retroperitoneal metastasectomy followed by somatic-type malignant histology-directed chemotherapy for colorectal adenocarcinoma. The patient remained in complete remission for a 3.5-years follow-up period.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>Яичко</kwd><kwd>тератома</kwd><kwd>соматическая малигнизация</kwd><kwd>аденокарцинома</kwd><kwd>слизистая</kwd><kwd>кишечный фенотип</kwd></kwd-group><kwd-group xml:lang="en"><kwd>Testis</kwd><kwd>teratoma</kwd><kwd>somatic malignancy</kwd><kwd>adenocarcinoma</kwd><kwd>mucinous</kwd><kwd>intestinal phenotype</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">Idrees MT, Ulbright TM, Oliva E, Young RH, Montironi R, Egevad L, et al. 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