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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">904</article-id><article-id pub-id-type="doi">10.54101/ACEN.2022.3.10</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">Rare co-occurrence of multiple sclerosis and Parkinson's disease: a case report</article-title><trans-title-group xml:lang="ru"><trans-title>Редкое сочетание рассеянного склероза и болезни Паркинсона: клинический случай</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-4595-2614</contrib-id><name-alternatives><name xml:lang="en"><surname>Ruina</surname><given-names>Ekaterina A.</given-names></name><name xml:lang="ru"><surname>Руина</surname><given-names>Екатерина Андреевна</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>Cand. Sci. (Med.), Associate Professor, Department of neurology, psychiatry and narcology</p></bio><bio xml:lang="ru"><p>к.м.н., доцент кафедры неврологии, психиатрии и наркологии</p></bio><email>vadik.yulin@yandex.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-5012-945X</contrib-id><name-alternatives><name xml:lang="en"><surname>Aleksandrova</surname><given-names>Ekaterina A.</given-names></name><name xml:lang="ru"><surname>Александрова</surname><given-names>Екатерина Александровна</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>Cand. Sci. (Med.), Associate Professor, neurologist, Cabinet of extrapyramidal disorders</p></bio><bio xml:lang="ru"><p>к.м.н., доцент, врач-невролог кабинета экстрапирамидных нарушений</p></bio><email>vadik.yulin@yandex.ru</email><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-7033-053X</contrib-id><name-alternatives><name xml:lang="en"><surname>Parshina</surname><given-names>Elena V.</given-names></name><name xml:lang="ru"><surname>Паршина</surname><given-names>Елена Валерьевна</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>Cand. Sci. (Med.), Head, Neurological department</p></bio><bio xml:lang="ru"><p>к.м.н., зав. неврологическим отделением</p></bio><email>vadik.yulin@yandex.ru</email><xref ref-type="aff" rid="aff3"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-3191-4249</contrib-id><name-alternatives><name xml:lang="en"><surname>Rodygin</surname><given-names>Danil N.</given-names></name><name xml:lang="ru"><surname>Родыгин</surname><given-names>Данил Николаевич</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>neurologist, Neurological department</p></bio><bio xml:lang="ru"><p>врач-невролог неврологического отделения</p></bio><email>vadik.yulin@yandex.ru</email><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-3956-2986</contrib-id><name-alternatives><name xml:lang="en"><surname>Yulin</surname><given-names>Vadim S.</given-names></name><name xml:lang="ru"><surname>Юлин</surname><given-names>Вадим Сергеевич</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>neurologist, Neurological department</p></bio><bio xml:lang="ru"><p>врач-невролог неврологического отделения</p></bio><email>vadik.yulin@yandex.ru</email><xref ref-type="aff" rid="aff2"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Volga Research Medical University</institution></aff><aff><institution xml:lang="ru">ФГБОУ ВО «Приволжский исследовательский медицинский университет»</institution></aff></aff-alternatives><aff-alternatives id="aff2"><aff><institution xml:lang="en">Nizhny Novgorod Regional Clinical Hospital named after N.A. Semashko</institution></aff><aff><institution xml:lang="ru">ГБУЗ НО «Нижегородская областная клиническая больница имени Н.А. Семашко»</institution></aff></aff-alternatives><aff-alternatives id="aff3"><aff><institution xml:lang="en">Nizhny Novgorod Regional Clinical Hospital named after N.A. Semashk</institution></aff><aff><institution xml:lang="ru">ГБУЗ НО «Нижегородская областная клиническая больница имени Н.А. Семашко»</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2022-10-10" publication-format="electronic"><day>10</day><month>10</month><year>2022</year></pub-date><volume>16</volume><issue>3</issue><issue-title xml:lang="en"/><issue-title xml:lang="ru"/><fpage>83</fpage><lpage>91</lpage><history><date date-type="received" iso-8601-date="2022-10-10"><day>10</day><month>10</month><year>2022</year></date><date date-type="accepted" iso-8601-date="2022-10-10"><day>10</day><month>10</month><year>2022</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2022, Ruina E.A., Aleksandrova E.A., Parshina E.V., Rodygin D.N., Yulin V.S.</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2022, Руина Е.А., Александрова Е.А., Паршина Е.В., Родыгин Д.Н., Юлин В.С.</copyright-statement><copyright-year>2022</copyright-year><copyright-holder xml:lang="en">Ruina E.A., Aleksandrova E.A., Parshina E.V., Rodygin D.N., Yulin V.S.</copyright-holder><copyright-holder xml:lang="ru">Руина Е.А., Александрова Е.А., Паршина Е.В., Родыгин Д.Н., Юлин В.С.</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/904">https://annaly-nevrologii.com/pathID/article/view/904</self-uri><abstract xml:lang="en"><p>A review of Russian and foreign medical literature, as well as the Web of Science, PubMed and Scopus databases, revealed 8 cases of multiple sclerosis and Parkinson's disease co-occurrence. Parkinson's disease is a chronic, progressive neurological disease caused by degeneration of dopaminergic neurons in the substantia nigra. Multiple sclerosis is a chronic demyelinating disease, in which a range of autoimmune-driven inflammatory and neurodegenerative processes lead to formation of numerous focal and diffuse lesions in the central nervous system, resulting in disability and a significant decrease in patient quality of life. The co-occurrence of these two neurodegenerative CNS disorders is rarely seen in clinical practice.</p> <p>The authors describe a clinical case to demonstrate their approach to the diagnosis and management of this patient group.</p></abstract><trans-abstract xml:lang="ru"><p>При анализе отечественной и зарубежной медицинской литературы, баз данных Web of Science, PubMed, Scopus обнаружены описания 8 случаев комбинации болезни Паркинсона и рассеянного склероза. Болезнь Паркинсона — хроническое прогрессирующее заболевание головного мозга, обусловленное дегенерацией дофаминергических нейронов чёрной субстанции. Рассеянный склероз — хроническое, демиелинизирующее заболевание, в основе которого лежит комплекс аутоиммунно-воспалительных и нейродегенеративных процессов, вызывающих множественное очаговое и диффузное поражение центральной нервной системы, ведущее к инвалидизации больных и значительному снижению качества жизни. Сочетание двух параллельно текущих нейродегенеративных заболеваний ЦНС редко встречается в клинической практике.</p> <p>Приведён наблюдавшийся авторами клинический случай, интересный с точки зрения подхода к диагностической и лечебной тактике у данной группы пациентов.</p></trans-abstract><kwd-group xml:lang="en"><kwd>multiple sclerosis</kwd><kwd>Parkinson's disease</kwd><kwd>case report</kwd><kwd>neurodegeneration</kwd><kwd>demyelinating disease</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>рассеянный склероз</kwd><kwd>болезнь Паркинсона</kwd><kwd>клинический случай</kwd><kwd>нейродегенерация</kwd><kwd>демиелинизирующее заболевание</kwd></kwd-group><funding-group/></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>Friese M.A., Schattling B., Fugger L. Mechanisms of neurodegeneration and axonal dysfunction in multiple sclerosis. Nat. Rev. Neurol. 2014; 10(4): 225–238. 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