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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="en"><front><journal-meta><journal-id journal-id-type="publisher-id">epilepsia</journal-id><journal-title-group><journal-title xml:lang="en">Epilepsy and paroxysmal conditions</journal-title><trans-title-group xml:lang="ru"><trans-title>Эпилепсия и пароксизмальные состояния</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2077-8333</issn><issn pub-type="epub">2311-4088</issn><publisher><publisher-name>IRBIS LLC</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.17749/2077-8333/epi.par.con.2024.187</article-id><article-id custom-type="elpub" pub-id-type="custom">epilepsia-1103</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="en"><subject>CASE STUDIES</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="ru"><subject>КЛИНИЧЕСКИЕ СЛУЧАИ</subject></subj-group></article-categories><title-group><article-title>Drug-resistant epilepsy cases in chromosomal pathology</article-title><trans-title-group xml:lang="ru"><trans-title>Случаи фармакорезистентной эпилепсии при хромосомной патологии</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-8469-1635</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Новикова</surname><given-names>Л. Б.</given-names></name><name name-style="western" xml:lang="en"><surname>Novikova</surname><given-names>L. B.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Новикова Лилия Бареевна, д.м.н., проф.</p><p>ул. Ленина, д. 3, г. Уфа, 450008</p></bio><bio xml:lang="en"><p>Lilia B. Novikova, Dr. Sci. Med., Prof. </p><p>3 Lenin Str., Ufa, 450008</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/0000-0001-8436-5610</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Акопян</surname><given-names>А. П.</given-names></name><name name-style="western" xml:lang="en"><surname>Akopyan</surname><given-names>A. P.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Акопян Анаит Погосовна, к.м.н., доцент</p><p>ул. Ленина, д. 3, г. Уфа, 450008</p></bio><bio xml:lang="en"><p>Anait P. Akopyan, PhD, Assoc. Prof. </p><p>3 Lenin Str., Ufa, 450008</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/0000-0001-7231-8534</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Латыпова</surname><given-names>Р. Ф.</given-names></name><name name-style="western" xml:lang="en"><surname>Latypova</surname><given-names>R. F.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Латыпова Раушания Фанисовна</p><p>ул. Ленина, д. 3, г. Уфа, 450008</p></bio><bio xml:lang="en"><p>Raushaniia F. Latypova </p><p>3 Lenin Str., Ufa, 450008</p></bio><email xlink:type="simple">rau.lat@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/0000-0001-6152-3460</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Файзуллина</surname><given-names>Н. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Faizullina</surname><given-names>N. M.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Файзуллина Наиля Мухаметовна</p><p>ул. Ленина, д. 3, г. Уфа, 450008</p></bio><bio xml:lang="en"><p>Nailya M. Faizullina </p><p>3 Lenin Str., Ufa, 450008</p></bio><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Федеральное государственное бюджетное образовательное учреждение высшего образования «Башкирский государственный медицинский университет» Министерства здравоохранения Российской Федерации</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Bashkir State Medical University</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2024</year></pub-date><pub-date pub-type="epub"><day>22</day><month>10</month><year>2024</year></pub-date><volume>16</volume><issue>3</issue><elocation-id>223–230</elocation-id><permissions><copyright-statement>Copyright &amp;#x00A9; Novikova L.B., Akopyan A.P., Latypova R.F., Faizullina N.M., 2024</copyright-statement><copyright-year>2024</copyright-year><copyright-holder xml:lang="ru">Новикова Л.Б., Акопян А.П., Латыпова Р.Ф., Файзуллина Н.М.</copyright-holder><copyright-holder xml:lang="en">Novikova L.B., Akopyan A.P., Latypova R.F., Faizullina N.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.epilepsia.su/jour/article/view/1103">https://www.epilepsia.su/jour/article/view/1103</self-uri><abstract><p>Two cases of epilepsy in patients with a rare hereditary pathology associated with a chromosomal mutation caused deletion of chromosome 14 are presented. In the first case, this pathology was manifested in the child by generalized tonic-clonic seizures, delayed psycho-verbal development, and facial skull microanomaly. In the second case, it was expressed in tonic epileptic seizures, delayed psycho-verbal development, developmental microanomalies, pyramidal atactic syndrome and hand joint hypermobility. Such clinical observations are of professional and scientific interest, as they relate to a rare neurological pathology, with drug-resistant epilepsy as a leading sign.</p></abstract><trans-abstract xml:lang="ru"><p>Представлено два случая эпилепсии у больных с редкой наследственной патологией, связанной с хромосомной мутацией – делецией хромосомы 14. В первом случае у ребенка данная патология проявлялась генерализованными тонико-клоническими приступами, задержкой психоречевого развития и микроаномалиями лицевого черепа, во втором случае – тоническими эпилептическими приступами, задержкой психоречевого развития, микроаномалиями развития, пирамидно-атактическим синдромом и гипермобильностью суставов кистей. Данные клинические наблюдения представляют профессиональный и научный интерес, т.к. относятся к раритетной неврологической патологии, ведущим проявлением которой была фармакорезистентная эпилепсия.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>Фармакорезистентная эпилепсия</kwd><kwd>хромосомные заболевания</kwd><kwd>делеция</kwd><kwd>кольцевая хромосома</kwd><kwd>синдром кольцевой хромосомы 14</kwd><kwd>r(14)-связанная эпилепсия</kwd></kwd-group><kwd-group xml:lang="en"><kwd>Drug-resistant epilepsy</kwd><kwd>chromosomal diseases</kwd><kwd>deletion</kwd><kwd>ring chromosome</kwd><kwd>ring 14 chromosome syndrome</kwd><kwd>r(14)-related epilepsy</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">Ivanoff A.E., Ivanoff C.S. Ring chromosome 14 syndrome: what the dentist should know to manage children with r(14) effectively. 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