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<article 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" xmlns:ali="http://www.niso.org/schemas/ali/1.0/" article-type="research-article" dtd-version="1.2" xml:lang="en"><front><journal-meta><journal-id journal-id-type="publisher-id">Annals of Clinical and Experimental Neurology</journal-id><journal-title-group><journal-title xml:lang="en">Annals of Clinical and Experimental Neurology</journal-title><trans-title-group xml:lang="ru"><trans-title>Анналы клинической и экспериментальной неврологии</trans-title></trans-title-group></journal-title-group><issn publication-format="print">2075-5473</issn><issn publication-format="electronic">2409-2533</issn><publisher><publisher-name xml:lang="en">Eco-Vector</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">803</article-id><article-id pub-id-type="doi">10.54101/ACEN.2021.4.11</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>Clinical analysis</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>Клинический разбор</subject></subj-group><subj-group subj-group-type="article-type"><subject>Research Article</subject></subj-group></article-categories><title-group><article-title xml:lang="en">Case report of Hashimoto encephalopathy in a 21-year-old female patient</article-title><trans-title-group xml:lang="ru"><trans-title>Клинический случай энцефалопатии Хашимото у 21-летней пациентки</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-1062-1540</contrib-id><name-alternatives><name xml:lang="en"><surname>Popova</surname><given-names>Tatiana E.</given-names></name><name xml:lang="ru"><surname>Попова</surname><given-names>Татьяна Егоровна</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>D. Sci. (Med.), Deputy director for science</p></bio><bio xml:lang="ru"><p>д.м.н., доцент, зам. директора по науке</p></bio><email>tata2504@yandex.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-4159-500X</contrib-id><name-alternatives><name xml:lang="en"><surname>Tappakhov</surname><given-names>Alexey A.</given-names></name><name xml:lang="ru"><surname>Таппахов</surname><given-names>Алексей Алексеевич</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>Cand. Sci. (Med.), senior lecturer, Neurology and psychiatry department, senior researcher, Laboratory of neuropsychophysiological research, Medical Institute, senior researcher, Laboratory of neurodegenerative diseases</p></bio><bio xml:lang="ru"><p>к.м.н., доцент каф. неврологии и психиатрии, с.н.с. учебно-научной лаборатории нейропсихофизиологических исследований Медицинского института, с.н.с. лаб. нейродегенеративных заболеваний</p></bio><email>tata2504@yandex.ru</email><xref ref-type="aff" rid="aff1"/><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-9525-1512</contrib-id><name-alternatives><name xml:lang="en"><surname>Davydova</surname><given-names>Tatiana K.</given-names></name><name xml:lang="ru"><surname>Давыдова</surname><given-names>Татьяна Кимовна</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>Cand. Sci. (Med.), leading researcher, Laboratoryof neurodegenerative diseases</p></bio><bio xml:lang="ru"><p>к.м.н., в.н.с. лаб. нейродегенеративных заболеваний</p></bio><email>tata2504@yandex.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-0610-3660</contrib-id><name-alternatives><name xml:lang="en"><surname>Govorova</surname><given-names>Tatiana G.</given-names></name><name xml:lang="ru"><surname>Говорова</surname><given-names>Татьяна Гаврильевна</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>postgraduate student, Department of neurology and psychiatry, Head, Laboratory of neuropsychophysiological research, Medical Institute</p></bio><bio xml:lang="ru"><p>аспирант каф. неврологии и психиатрии, зав. учебно-научной лабораторией нейропсихофизиологических исследований Медицинского института</p></bio><email>tata2504@yandex.ru</email><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Petrova</surname><given-names>Alyona Yu.</given-names></name><name xml:lang="ru"><surname>Петрова</surname><given-names>Алена Юрьевна</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>neurologist, Department of neurology</p></bio><bio xml:lang="ru"><p>врач-невролог неврологического отделения</p></bio><email>tata2504@yandex.ru</email><xref ref-type="aff" rid="aff3"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-6518-0079</contrib-id><name-alternatives><name xml:lang="en"><surname>Adamova</surname><given-names>Alina E.</given-names></name><name xml:lang="ru"><surname>Адамова</surname><given-names>Алина Евгеньевна</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>neurologist, junior researcher, Laboratory of neurodegenerative diseases</p></bio><bio xml:lang="ru"><p>врач-невролог, м.н.с. лаб. нейродегенеративных заболеваний</p></bio><email>tata2504@yandex.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Steblevskaya</surname><given-names>Anna E.</given-names></name><name xml:lang="ru"><surname>Стеблевская</surname><given-names>Анна Евгеньевна</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>neurologist, Department of internal medicine and general practice, Medical Institute, Faculty of Postgraduate Training of Physicians</p></bio><bio xml:lang="ru"><p>клинический ординатор каф. внутренних болезней и общеврачебной практики (семейной медицины) Факультета последипломного обучения врачей Медицинского института</p></bio><email>tata2504@yandex.ru</email><xref ref-type="aff" rid="aff2"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Yakut Research Center of the Complex Medical Problems</institution></aff><aff><institution xml:lang="ru">ФГБНУ «Якутский научный центр комплексных медицинских проблем»</institution></aff></aff-alternatives><aff-alternatives id="aff2"><aff><institution xml:lang="en">M.K. Ammosov North-Eastern Federal University</institution></aff><aff><institution xml:lang="ru">ФГАОУ ВО «Северо-Восточный федеральный университет имени М.К. Аммосова»</institution></aff></aff-alternatives><aff-alternatives id="aff3"><aff><institution xml:lang="en">Republican Hospital No. 2 — The center of the Emergency Medical Care</institution></aff><aff><institution xml:lang="ru">ГБУ РС(Я) «Республиканская больница № 2 — Центр экстренной медицинской помощи»</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2021-12-23" publication-format="electronic"><day>23</day><month>12</month><year>2021</year></pub-date><volume>15</volume><issue>4</issue><issue-title xml:lang="en"/><issue-title xml:lang="ru"/><fpage>99</fpage><lpage>104</lpage><history><date date-type="received" iso-8601-date="2021-12-23"><day>23</day><month>12</month><year>2021</year></date><date date-type="accepted" iso-8601-date="2021-12-23"><day>23</day><month>12</month><year>2021</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2021, Popova T.E., Tappakhov A.A., Davydova T.K., Govorova T.G., Petrova A.Y., Adamova A.E., Steblevskaya A.E.</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2021, Попова Т.Е., Таппахов А.А., Давыдова Т.К., Говорова Т.Г., Петрова А.Ю., Адамова А.Е., Стеблевская А.Е.</copyright-statement><copyright-year>2021</copyright-year><copyright-holder xml:lang="en">Popova T.E., Tappakhov A.A., Davydova T.K., Govorova T.G., Petrova A.Y., Adamova A.E., Steblevskaya A.E.</copyright-holder><copyright-holder xml:lang="ru">Попова Т.Е., Таппахов А.А., Давыдова Т.К., Говорова Т.Г., Петрова А.Ю., Адамова А.Е., Стеблевская А.Е.</copyright-holder><ali:free_to_read xmlns:ali="http://www.niso.org/schemas/ali/1.0/"/><license><ali:license_ref xmlns:ali="http://www.niso.org/schemas/ali/1.0/">https://creativecommons.org/licenses/by/4.0</ali:license_ref></license></permissions><self-uri xlink:href="https://annaly-nevrologii.com/pathID/article/view/803">https://annaly-nevrologii.com/pathID/article/view/803</self-uri><abstract xml:lang="en"><p>Hashimoto encephalopathy is a rarely diagnosed autoimmune neurological disorder, associated with the presence of antithyroid antibodies. The variability of clinical presentation, rarity of the disease, and absence of specific diagnostic markers make timely diagnosis very complicated. This article describes a clinical case of a female patient with Hashimoto encephalopathy and discusses diagnosis, differential diagnosis and treatment approaches. We emphasize the importance of establishing a timely diagnosis, considering high efficacy of targeted treatment.</p></abstract><trans-abstract xml:lang="ru"><p>Энцефалопатия Хашимото представляет собой редко диагностируемое аутоиммунное заболевание нервной системы, ассоциированное с выработкой антитиреоидных антител. Полиморфность клинической картины, редкость заболевания и отсутствие специфических инструментальных маркеров существенно затрудняют своевременное распознавание этого состояния. В статье приводится описание клинического наблюдения пациентки с энцефалопатией Хашимото, обсуждаются вопросы диагностики, дифференциальной диагностики и лечебной тактики. Подчёркивается важность своевременного установления диагноза, учитывая высокую эффективность патогенетической терапии.</p></trans-abstract><kwd-group xml:lang="en"><kwd>Hashimoto encephalopathy</kwd><kwd>steroid-responsive encephalopathy</kwd><kwd>autoimmune injury</kwd><kwd>corticosteroid</kwd><kwd>immunosuppressants</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>энцефалопатия Хашимото</kwd><kwd>стероид-чувствительная энцефалопатия</kwd><kwd>аутоиммунное повреждение</kwd><kwd>кортикостероид</kwd><kwd>иммуносупрессоры</kwd></kwd-group><funding-group/></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><citation-alternatives><mixed-citation xml:lang="en">Gusova A.B., Kashinskiy A.A. [Hashimoto’s encephalopathy is an autoimmune disease of brain]. Kharkov, 2013. (in Russ.)</mixed-citation><mixed-citation xml:lang="ru">Гусова А.Б., Кашинский А.А. Энцефалопатия Хашимото — аутоиммунное заболевание головного мозга. 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