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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">10.17650/1683-3295-2022-24-2-62-65</article-id><article-id custom-type="elpub" pub-id-type="custom">neurosurgery-1198</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>Арахноидальная киста мостомозжечкового угла с масс-эффектом: клиническое наблюдение</article-title><trans-title-group xml:lang="en"><trans-title>Mass phenomena from a cerebellopontine angle arachnoid cyst: 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/0000-0001-8604-2444</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Apostolakis</surname><given-names>S.</given-names></name><name name-style="western" xml:lang="en"><surname>Apostolakis</surname><given-names>S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Kifisia 145 61</p></bio><bio xml:lang="en"><p>Kifisia 145 61</p></bio><email xlink:type="simple">sotapostolakis@gmail.com</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Karagianni</surname><given-names>A.</given-names></name><name name-style="western" xml:lang="en"><surname>Karagianni</surname><given-names>A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Kifisia 145 61</p></bio><bio xml:lang="en"><p>Kifisia 145 61</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Mylonakis</surname><given-names>I.</given-names></name><name name-style="western" xml:lang="en"><surname>Mylonakis</surname><given-names>I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Kifisia 145 61</p></bio><bio xml:lang="en"><p>Kifisia 145 61</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Vlachos</surname><given-names>K.</given-names></name><name name-style="western" xml:lang="en"><surname>Vlachos</surname><given-names>K.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Kifisia 145 61</p></bio><bio xml:lang="en"><p>Kifisia 145 61</p></bio><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>KAT General Hospital of Attica</institution><country>Греция</country></aff><aff xml:lang="en"><institution>KAT General Hospital of Attica</institution><country>Greece</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2022</year></pub-date><pub-date pub-type="epub"><day>12</day><month>06</month><year>2022</year></pub-date><volume>24</volume><issue>2</issue><fpage>62</fpage><lpage>65</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Apostolakis S., Karagianni A., Mylonakis I., Vlachos K., 2022</copyright-statement><copyright-year>2022</copyright-year><copyright-holder xml:lang="ru">Apostolakis S., Karagianni A., Mylonakis I., Vlachos K.</copyright-holder><copyright-holder xml:lang="en">Apostolakis S., Karagianni A., Mylonakis I., Vlachos K.</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/1198">https://www.therjn.com/jour/article/view/1198</self-uri><abstract><sec><title>Введение</title><p>Введение. Арахноидальные кисты – доброкачественные образования, составляющие около 1 % от всех объемных образований головного мозга. В большинстве случаев они бессимптомны, однако если кисты оказывают масс-эффект на окружающие ткани, то в этом случае проводится хирургическая фенестрация.</p></sec><sec><title>Цель исследования</title><p>Цель исследования: описать клинический случай и лечение пациентки с арахноидальными кистами мостомозжечкового угла.</p></sec><sec><title>Материалы и методы</title><p>Материалы и методы. Пациентка, 53 лет, направлена в отделение нейрохирургии Больницы общего профиля KAT Attica (Греция) для хирургического лечения. Больная жаловалась на покалывание и каузалгию в левой половине лица, расстройство артикуляции (дизартрия), хрипоту (дисфония), проблемы с глотанием твердой пищи и жидкостей (дисфагия), шум в ушах и боль (вдоль глазной ветви тройничного нерва).</p></sec><sec><title>Результаты</title><p>Результаты. Пациентке провели ретросигмоидальную краниотомию с фенестрацией кисты и одновременной установкой шунта по Торкильдсену. Полное удаление капсулы кисты не сделано, поскольку образование плотно прилегало к соседним структурам. После операции у пациентки наблюдалось улучшение артикуляции и глотания.</p></sec><sec><title>Заключение</title><p>Заключение. Несмотря на доброкачественность, кисты мостомозжечкового угла могут проявляться клинически в результате сдавливания соседних структур. Простой фенестрации кисты может быть достаточно для исчезновения симптомов.</p></sec></abstract><trans-abstract xml:lang="en"><sec><title>Introduction</title><p>Introduction. Arachnoid cysts are benign lesions comprising about 1 % of all intracranial space occupying lesions. The majority are asymptomatic, while surgical intervention, consisting of fenestration, is suggested in the presence of mass phenomena.</p><p>The aim of the study – to present the case of a patient with arachnoid cysts in the cerebellopontine angle and its treatment.</p></sec><sec><title>Materials and methods</title><p>Materials and methods. A 53‑years old female patient was referred to our Department of Neurosurgery for the surgical management of a cerebellopontine angle mass. The patient reported tingling sensation and causalgia of her left hemiface, dysarthria, hoarseness, difficulty swallowing solid food and liquids, tinnitus and pain distributed along the ophthalmic branch of the trigeminal nerve.</p></sec><sec><title>Results</title><p>Results. The patient was subjected to retrosigmoid craniotomy with fenestration of the cyst and concurrent placement of a Torkildsen shunt. No complete resection of the capsule of the cyst was attempted, due to its tight adhesions to the adjacent structures. Postoperatively, there was an improvement in the dysarthria and swallowing of the patient.</p></sec><sec><title>Conclusions</title><p>Conclusions. Cerebellopontine angle cystic lesions while histologically benign, may become clinically apparent due to compression of adjacent structures. Simple fenestration of the cyst may be sufficient for the remission of symptoms.</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>арахноидальная киста</kwd><kwd>мостомозжечковый угол</kwd><kwd>черепные нервы</kwd><kwd>клинический случай</kwd><kwd>хирургическая фенестрация</kwd></kwd-group><kwd-group xml:lang="en"><kwd>arachnoid cyst</kwd><kwd>cerebellopontine angle</kwd><kwd>cranial nerves</kwd><kwd>clinical case</kwd><kwd>fenestration surgery</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">Helland C.A., Lund-Johansen M., Wester K. Location, sidedness, and sex distribution of intracranial arachnoid cysts in a population-based sample. J. neurosurg 2010;113(5):934–9. DOI: 10.3171/2009.11.JNS081663.</mixed-citation><mixed-citation xml:lang="en">Helland C.A., Lund-Johansen M., Wester K. 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