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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="other" 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">448</article-id><article-id pub-id-type="doi">10.17816/psaic448</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>Unknown</subject></subj-group></article-categories><title-group><article-title xml:lang="en">Monomelic amyotrophy: a rare variant of lower motor neuron disorder (2 clinical cases)</article-title><trans-title-group xml:lang="ru"><trans-title>Мономелическая амиотрофия – редкий вариант болезни нижнего мотонейрона (2 клинических наблюдения)</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Alekseeva</surname><given-names>T. M.</given-names></name><name xml:lang="ru"><surname>Алексеева</surname><given-names>T. M.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>Vera3009.85@mail.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Demeshonok</surname><given-names>V. S.</given-names></name><name xml:lang="ru"><surname>Демешонок</surname><given-names>В. С.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>Vera3009.85@mail.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Aleksandrov</surname><given-names>N. Yu.</given-names></name><name xml:lang="ru"><surname>Александров</surname><given-names>Н. Ю.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>Vera3009.85@mail.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Khalikov</surname><given-names>A. D.</given-names></name><name xml:lang="ru"><surname>Халиков</surname><given-names>A. Д.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>Vera3009.85@mail.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Sokolova</surname><given-names>M. G.</given-names></name><name xml:lang="ru"><surname>Соколова</surname><given-names>M. Г.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>Vera3009.85@mail.ru</email><xref ref-type="aff" rid="aff1"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">I.I. Mechnikov Northwestern State Medical University, Ministry of Health of the Russian Federation</institution></aff><aff><institution xml:lang="ru">ГБОУ ВПО Северо-Западный государственный медицинский университет имени И.И. Мечникова Минздрава России</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2015-09-09" publication-format="electronic"><day>09</day><month>09</month><year>2015</year></pub-date><volume>9</volume><issue>3</issue><issue-title xml:lang="en"/><issue-title xml:lang="ru"/><fpage>61</fpage><lpage>65</lpage><history><date date-type="received" iso-8601-date="2017-02-09"><day>09</day><month>02</month><year>2017</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2015, Alekseeva T.M., Demeshonok V.S., Aleksandrov N.Y., Khalikov A.D., Sokolova M.G.</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2015, Alekseeva T.M., Demeshonok V.S., Aleksandrov N.Y., Khalikov A.D., Sokolova M.G.</copyright-statement><copyright-year>2015</copyright-year><copyright-holder xml:lang="en">Alekseeva T.M., Demeshonok V.S., Aleksandrov N.Y., Khalikov A.D., Sokolova M.G.</copyright-holder><copyright-holder xml:lang="ru">Alekseeva T.M., Demeshonok V.S., Aleksandrov N.Y., Khalikov A.D., Sokolova M.G.</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/448">https://annaly-nevrologii.com/pathID/article/view/448</self-uri><abstract xml:lang="en"><p>Monomelic amyotrophy (MMA) is a rare variant of lower motor neuron disease with benign progression. The disease is characterized by muscular weakness and atrophy in the hand and forearm on one side or asymmetrical lesion of both upper limbs with the presence of cold paresis, fasciculations, and fine tremor of the fingers. Sensory disorders, pyramidal symptoms, and involvement of the leg muscles are not typical of it. The final diagnosis of MMA can be made only on the basis of clinical neurological and electrophysiological tests as well as long-term follow-up of the patient. Timely recommendations for correction of the movement pattern and prevention of flexion compression may slow down the disease progression in some cases and, thereby, improve the quality of life of patients. The article describes two clinical cases with a probable diagnosis of MMA.</p></abstract><trans-abstract xml:lang="ru"><p>Мономелическая амиотрофия (МА) – редкий вариант болезни нижнего мотонейрона с доброкачественным течением. Заболевание характеризуется развитием слабости и атрофий мышц кисти и предплечья одной руки или асимметричным поражением обеих рук с наличием «холодовых парезов», фасцикуляций, мелкого тремора пальцев рук. Чувствительные расстройства, пирамидные симптомы, вовлечение мышц ног не характерны. Окончательный диагноз МА может быть поставлен только в результате клинико-неврологического, электрофизиологического исследования, а также длительного динамического наблюдения пациента. Своевременные рекомендации по коррекции двигательного стереотипа и профилактики флексионной компрессии в ряде случаев могут замедлить прогрессирование заболевания и тем самым улучшить качество жизни пациентов. В статье представлено описание 2 клинических случаев с вероятным диагнозом МА.</p></trans-abstract><kwd-group xml:lang="en"><kwd>monomelic atrophy</kwd><kwd>Hirayama's disease</kwd><kwd>motor neuron disease, flexion myelopathy</kwd><kwd>amyotrophic lateral sclerosis</kwd><kwd>ALS</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>мономелическая амиотрофия</kwd><kwd>болезнь Хираяма</kwd><kwd>болезнь мотонейрона</kwd><kwd>флексионная миелопатия</kwd><kwd>боковой амиотрофический склероз</kwd><kwd>БАС</kwd></kwd-group><funding-group/></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>Богданов Э.И., Нурмиева С.Р. Синдромы изолированной амиотрофии плечевого пояса и рук. Неврол. журн. 2010; 5: 4–9.</mixed-citation></ref><ref id="B2"><label>2.</label><mixed-citation>Дамулин И.В., Чуркина И.Г., Яворская С.А. и др. Мономелическая амиотрофия. 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