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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">neurosurgery</journal-id><journal-title-group><journal-title xml:lang="ru">Нейрохирургия</journal-title><trans-title-group xml:lang="en"><trans-title>Russian journal of neurosurgery</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1683-3295</issn><issn pub-type="epub">2587-7569</issn><publisher><publisher-name>Издательский дом "МедИНК"</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.63769/1683-3295-2026-28-1-80-88</article-id><article-id custom-type="elpub" pub-id-type="custom">neurosurgery-1819</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>НАБЛЮДЕНИЕ ИЗ ПРАКТИКИ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>FROM PRACTICE</subject></subj-group></article-categories><title-group><article-title>Мукоцеле лобной пазухи с разрастанием к основанию черепа. Описание случая и обзор литературы</article-title><trans-title-group xml:lang="en"><trans-title>Frontal mucocele with extension to the skull base. Case report and review of the literature</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-6192-2218</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Vasquez-Paredes</surname><given-names>G.</given-names></name><name name-style="western" xml:lang="en"><surname>Vasquez-Paredes</surname><given-names>G.</given-names></name></name-alternatives><bio xml:lang="ru"><p>G. Vasquez-Paredes</p><p>13007 Трухильо</p></bio><bio xml:lang="en"><p>Gino Vasquez-Paredes</p><p>Trujillo, 13007</p></bio><email xlink:type="simple">ginovasquez85@gmail.com</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Школа медицины, Частный университет Антенор Оррего; Отделение нейрохирургии, Больница «Белен» города Трухильо</institution><country>Перу</country></aff><aff xml:lang="en"><institution>School of Medicine, Antenor Orrego Private University; Neurosurgery Department, Belen Hospital of Trujillo</institution><country>Peru</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2026</year></pub-date><pub-date pub-type="epub"><day>14</day><month>04</month><year>2026</year></pub-date><volume>28</volume><issue>1</issue><fpage>80</fpage><lpage>88</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Vasquez-Paredes G., 2026</copyright-statement><copyright-year>2026</copyright-year><copyright-holder xml:lang="ru">Vasquez-Paredes G.</copyright-holder><copyright-holder xml:lang="en">Vasquez-Paredes G.</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.therjn.com/jour/article/view/1819">https://www.therjn.com/jour/article/view/1819</self-uri><abstract><sec><title>Введение</title><p>Введение. Мукоцеле – это доброкачественные псевдокисты со слизистым содержимым в околоносовых пазухах, которые могут расширяться, разрушая кость и проникая в соседние структуры.</p></sec><sec><title>Описание случая</title><p>Описание случая. Пациентка, 69 лет, обратилась с изначально безболезненной опухолью в левой лобной области 5 лет назад. Опухоль постепенно увеличивалась в объеме, вызывая боль в лобной области и затруднение при открывании века. При физикальном обследовании обнаружена округлая опухоль размером 6× 5 см в левой супрацилиарной области. Была диагностирована мукоцеле левой лобной пазухи с эрозией пластинки, и пациентке проведена операция, в ходе которой выполнены бикоронарный разрез, полное иссечение мукоцеле, краниализация левой лобной пазухи и краниопластика с помощью титановой сетки и самосверлящих винтов.</p></sec><sec><title>Обсуждение</title><p>Обсуждение. Формирование мукоцеле имеет различную этиологию; наиболее частое расположение – на лобном уровне, что может привести к эрозии внутренней пластинки лобной пазухи, вызывая инвазию в твердую мозговую оболочку и, в некоторых случаях, в паренхиму мозга, вызывая инфекции. Клиническая картина варьирует и зависит от локализации. Хирургическое лечение должно быть сосредоточено на оптимизации окончательного разрешения симптомов, поддержании анатомии с нормальным дренажем околоносовых пазух и предотвращении риска рецидива.</p></sec><sec><title>Заключение</title><p>Заключение. Мукоцеле представляют собой доброкачественную патологию. Однако их следует лечить немедленно хирургически, предпочтительно открытым подходом, который обеспечивает прямой доступ к лобной пазухе, адекватное удаление мукоцеле и полную облитерацию, чтобы предотвратить риск инфекций или рецидива.</p></sec></abstract><trans-abstract xml:lang="en"><sec><title>Background</title><p>Background. Mucoceles are benign pseudocysts with mucous content in the paranasal sinuses that can expand, destroying bone and invading adjacent structures.</p></sec><sec><title>Case report</title><p>Case report. A 69‑year-old female patient presented with an initially painless tumor in the left frontal region 5 years ago, which progressively increased in volume, causing frontal pain and difficulty opening the eyelid. Physical examination revealed a 6 × 5 cm rounded tumor in the left supraciliary region. A mucocele of the left frontal sinus with the erosion of the table was diagnosed, and the patient underwent surgery, performing a bi-coronal incision, total excision of the mucocele, cranialization of the left frontal sinus, and cranioplasty with titanium mesh and self-drilling screws.</p></sec><sec><title>Discussion</title><p>Discussion. The formation of mucoceles is of variable etiology; the most frequent location is at the frontal level, which can erode the internal table of the frontal sinus, producing invasion towards the dura mater and, in some cases, the brain parenchyma, causing infections. The clinical picture is variable and depends on the location. Surgical management should be focused on optimizing a definitive resolution of the symptoms, maintaining an anatomy with normal drainage of the paranasal sinuses, and preventing the risk of recurrence.</p></sec><sec><title>Conclusion</title><p>Conclusion. Mucoceles constitute a benign pathology. However, they should be treated immediately through a surgical approach, preferably with an open approach that allows direct access to the frontal sinus, adequate removal of the mucocele, and complete obliteration to prevent the risk of infections or recurrence.</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>мукоцеле</kwd><kwd>лобная пазуха</kwd><kwd>лобная кость</kwd><kwd>отчеты о случаях</kwd></kwd-group><kwd-group xml:lang="en"><kwd>mucocele</kwd><kwd>frontal sinus</kwd><kwd>frontal bone</kwd><kwd>case reports</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">Lund V.J., Milroy C.M. Fronto-ethmoidal mucocoeles: a histopathological analysis. J Laryngol Otol 1991;105(11):921–3.</mixed-citation><mixed-citation xml:lang="en">Lund V.J., Milroy C.M. Fronto-ethmoidal mucocoeles: a histopathological analysis. 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