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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">r-n-j</journal-id><journal-title-group><journal-title xml:lang="ru">Российский неврологический журнал</journal-title><trans-title-group xml:lang="en"><trans-title>Russian neurological journal</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2658-7947</issn><issn pub-type="epub">2686-7192</issn><publisher><publisher-name>МИА</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.30629/2658-7947-2023-28-4-73-80</article-id><article-id custom-type="elpub" pub-id-type="custom">r-n-j-458</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>КЛИНИЧЕСКИЕ ИССЛЕДОВАНИЯ И НАБЛЮДЕНИЯ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>CLINICAL RESEARCH AND SURVEILLANCE</subject></subj-group></article-categories><title-group><article-title>Болезнь Брайта–Фана–Шварца (результат двухлетнего клинического наблюдения)</article-title><trans-title-group xml:lang="en"><trans-title>Brait–Fahn–Schwarz disease (result of two-year clinical follow-up)</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-5006-8394</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Дынин</surname><given-names>П. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Dynin</surname><given-names>P. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p> Санкт-Петербург</p></bio><bio xml:lang="en"><p>Saint Petersburg</p></bio><email xlink:type="simple">pavdynin@yandex.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-8988-3011</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Литвиненко</surname><given-names>И. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Litvinenko</surname><given-names>I. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p> Санкт-Петербург</p></bio><bio xml:lang="en"><p>Saint Petersburg</p></bio><email xlink:type="simple">litvinenkoiv@rambler.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-4723-802X</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Емелин</surname><given-names>А. Ю.</given-names></name><name name-style="western" xml:lang="en"><surname>Emelin</surname><given-names>A. Yu.</given-names></name></name-alternatives><bio xml:lang="ru"><p> Санкт-Петербург</p></bio><bio xml:lang="en"><p>Saint Petersburg</p></bio><email xlink:type="simple">emelinand@rambler.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-7659-9756</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Самарцев</surname><given-names>И. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Samartsev</surname><given-names>I. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p> Санкт-Петербург</p></bio><bio xml:lang="en"><p>Saint Petersburg</p></bio><email xlink:type="simple">alpinaigor@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-4845-5368</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Андреев</surname><given-names>Р. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Andreev</surname><given-names>R. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Санкт-Петербург</p></bio><bio xml:lang="en"><p>Saint Petersburg</p></bio><email xlink:type="simple">andreevr82@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-0987-8309</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Лепехин</surname><given-names>И. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Lepekhin</surname><given-names>I. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Санкт-Петербург</p></bio><bio xml:lang="en"><p>Saint Petersburg</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-7039-2423</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Наумов</surname><given-names>К. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Naumov</surname><given-names>K. M.</given-names></name></name-alternatives><bio xml:lang="ru"><p> Санкт-Петербург</p></bio><bio xml:lang="en"><p> Saint Petersburg</p></bio><email xlink:type="simple">naumov_k@list.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Военно-медицинская академия имени С.М. Кирова</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Saint Petersburg S.M. Kirov Military Medical Academy</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2023</year></pub-date><pub-date pub-type="epub"><day>02</day><month>10</month><year>2023</year></pub-date><volume>28</volume><issue>4</issue><fpage>73</fpage><lpage>80</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Дынин П.С., Литвиненко И.В., Емелин А.Ю., Самарцев И.Н., Андреев Р.В., Лепехин И.В., Наумов К.М., 2023</copyright-statement><copyright-year>2023</copyright-year><copyright-holder xml:lang="ru">Дынин П.С., Литвиненко И.В., Емелин А.Ю., Самарцев И.Н., Андреев Р.В., Лепехин И.В., Наумов К.М.</copyright-holder><copyright-holder xml:lang="en">Dynin P.S., Litvinenko I.V., Emelin A.Y., Samartsev I.N., Andreev R.V., Lepekhin I.V., Naumov K.M.</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.r-n-j.com/jour/article/view/458">https://www.r-n-j.com/jour/article/view/458</self-uri><abstract><p>Представляется результат двухлетнего наблюдения пациента с сочетанием синдромов паркинсонизма и бокового амиотрофического склероза — редкой формы нейродегенеративного заболевания центральной нервной системы, носящей название «болезнь Брайта–Фана–Шварца». Многообразие и полиморфизм симптоматики при этом заболевании могут приводить к сложностям в постановке диагноза и терапии. Приведены данные анамнеза пациента, динамики клинической картины за время нахождения в стационаре, проведенных диагностических и лечебных мероприятий и последующего катамнестического наблюдения. В заключение представлено обобщение особенностей клинической картины и прогрессирования рассматриваемого заболевания.</p></abstract><trans-abstract xml:lang="en"><p>The article presents the result of a two-year follow-up of a patient with a combination of parkinsonism syndromes and amyotrophic lateral sclerosis, a rare form of a neurodegenerative disease of the central nervous system called “Bright–Fan–Schwarz disease”. The diversity and polymorphism of symptoms in this disease can lead to diffi culties in diagnosis and therapy. The data of the patient’s anamnesis, the dynamics of the clinical picture during the stay in the hospital, the diagnostic and therapeutic measures taken, and the subsequent follow-up are given. In conclusion, a generalization of the features of the clinical picture and the progression of the disease in question is presented.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>паркинсонизм</kwd><kwd>боковой амиотрофический склероз</kwd><kwd>болезнь Брайта–Фана–Шварца</kwd><kwd>нейродегенерация.</kwd></kwd-group><kwd-group xml:lang="en"><kwd>parkinsonism</kwd><kwd>amyotrophic lateral sclerosis</kwd><kwd>Bright–Fan–Schwartz disease</kwd><kwd>neurodegeneration.</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">Lee S.E. Guam dementia syndrome revisited in 2011. 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