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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">ophthalmology</journal-id><journal-title-group><journal-title xml:lang="ru">Офтальмология</journal-title><trans-title-group xml:lang="en"><trans-title>Ophthalmology in Russia</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1816-5095</issn><issn pub-type="epub">2500-0845</issn><publisher><publisher-name>Ophthalmology</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.18008/1816-5095-2025-4-914-918</article-id><article-id custom-type="elpub" pub-id-type="custom">ophthalmology-2822</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>КЛИНИЧЕСКИЙ СЛУЧАЙ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>CASE REPORT</subject></subj-group></article-categories><title-group><article-title>Паранеопластический синдром. Клинический случай</article-title><trans-title-group xml:lang="en"><trans-title>Paraneoplastic Syndrome. Clinical Case</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Красюк</surname><given-names>Е. Ю.</given-names></name><name name-style="western" xml:lang="en"><surname>Krasyuk</surname><given-names>E. Yu.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Красюк Елена Юрьевна - кандидат медицинских наук, главный врач.</p><p>Ул. Рылеева, 82, Тамбов, 392024</p></bio><bio xml:lang="en"><p>Krasyuk Elena Yu. - PhD, chief physician.</p><p>Ryleeva str., 82, Tambov, 392024</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>Носкова</surname><given-names>О. Г.</given-names></name><name name-style="western" xml:lang="en"><surname>Noskova</surname><given-names>O. G.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Носкова Ольга Геннадьевна - заместитель главного врача.</p><p>Ул. Рылеева, 82, Тамбов, 392024</p></bio><bio xml:lang="en"><p>Noskova Olga G. - deputy chief physician.</p><p>Ryleeva str., 82, Tambov, 392024</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>Токарева</surname><given-names>Е. Г.</given-names></name><name name-style="western" xml:lang="en"><surname>Tokareva</surname><given-names>E. G.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Токарева Елена Геннадьевна - врач-офтальмолог.</p><p>Ул. Рылеева, 82, Тамбов, 392024</p></bio><bio xml:lang="en"><p>Tokareva Elena G. – ophthalmologist.</p><p>Ryleeva str., 82, Tambov, 392024</p></bio><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>ОГБУЗ «Тамбовская офтальмологическая клиническая больница»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Tambov ophthalmological university hospital</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2025</year></pub-date><pub-date pub-type="epub"><day>28</day><month>12</month><year>2025</year></pub-date><volume>22</volume><issue>4</issue><fpage>914</fpage><lpage>918</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Красюк Е.Ю., Носкова О.Г., Токарева Е.Г., 2025</copyright-statement><copyright-year>2025</copyright-year><copyright-holder xml:lang="ru">Красюк Е.Ю., Носкова О.Г., Токарева Е.Г.</copyright-holder><copyright-holder xml:lang="en">Krasyuk E.Y., Noskova O.G., Tokareva E.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.ophthalmojournal.com/opht/article/view/2822">https://www.ophthalmojournal.com/opht/article/view/2822</self-uri><abstract><p>В статье представлено детальное описание уникального клинического случая, в котором у пациента со злокачественной меланомой кожи нижней конечности развилось редкое и серьезное неврологическое осложнение — паранеопластический синдром (ПНС), поразивший зрительный нерв. Ключевым проявлением этого синдрома стала оптическая нейропатия — повреждение зрительного нерва, которое клинически выражалось в виде отека диска зрительного нерва, выявленного при офтальмоскопическом исследовании. Этот случай демонстрирует, как онкологическое заболевание может манифестировать или сопровождаться тяжелыми осложнениями первичной опухоли, что требует от врачей повышенной бдительности.</p></abstract><trans-abstract xml:lang="en"><p>The article provides a detailed description of a unique clinical case in which a patient with cutaneous malignant melanoma of the lower extremity developed a rare and serious neurological complication — paraneoplastic syndrome (PNS), which affected the optic nerve. The key manifestation of this syndrome was optic neuropathy — damage to the optic nerve, which clinically presented as optic disc edema, identified during ophthalmoscopic examination. This case demonstrates how cancer can manifest with or be accompanied by severe complications in organs distant from the primary tumor, necessitating increased vigilance from physicians.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>паранеопластический синдром</kwd><kwd>меланома</kwd><kwd>атрофия зрительного нерва</kwd><kwd>оптическая когерентная томография</kwd></kwd-group><kwd-group xml:lang="en"><kwd>paraneoplastic syndrome</kwd><kwd>melanoma</kwd><kwd>optic nerve atrophy</kwd><kwd>optical coherence tomography</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">никто из авторов не имеет финансовой заинтересованности в представленных материалах или методах</funding-statement><funding-statement xml:lang="en">no author has a financial or property interest in any material or method mentioned</funding-statement></funding-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Евтушенко СК. 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