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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">urmj</journal-id><journal-title-group><journal-title xml:lang="ru">Уральский медицинский журнал</journal-title><trans-title-group xml:lang="en"><trans-title>Ural Medical Journal</trans-title></trans-title-group></journal-title-group><issn pub-type="epub">2949-4389</issn><publisher><publisher-name>Ural State Medical University</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.52420/umj.25.2.81</article-id><article-id custom-type="edn" pub-id-type="custom">WTXXNP</article-id><article-id custom-type="elpub" pub-id-type="custom">urmj-2159</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 случаи | Clinical cases</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>Clinical cases</subject></subj-group></article-categories><title-group><article-title>Баллоноклеточный невус кожи у ребенка: наблюдение из практики</article-title><trans-title-group xml:lang="en"><trans-title>Balloon Cell Nevus of the Skin in a Child: A Case Report</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-2008-7671</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Казачков</surname><given-names>Е. Л.</given-names></name><name name-style="western" xml:lang="en"><surname>Kazachkov</surname><given-names>E. L.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Евгений Леонидович Казачков — доктор медицинских наук, профессор, заведующий кафедрой патологической анатомии и судебной медицины имени профессора В. Л. Коваленко</p><p>Челябинск</p></bio><bio xml:lang="en"><p>Evgeny L. Kazachkov — Doctor of Sciences (Medicine), Professor, Head of the Department of Pathological Anatomy and Forensic Medicine named after Professor V. L. Kovalenko</p><p>Chelyabinsk</p></bio><email xlink:type="simple">doctorkel@yandex.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Попов</surname><given-names>Г. Г.</given-names></name><name name-style="western" xml:lang="en"><surname>Popov</surname><given-names>G. G.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Георгий Геннадьевич Попов — заведующий патологоанатомическим отделением</p><p>Стерлитамак</p></bio><bio xml:lang="en"><p>Georgy G. Popov — Head of the Pathological Department</p><p>Sterlitamak</p></bio><email xlink:type="simple">ggpopov@gmail.com</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-5362-3549</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Лебедева</surname><given-names>М. К.</given-names></name><name name-style="western" xml:lang="en"><surname>Lebedeva</surname><given-names>M. K.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Марина Константиновна Лебедева — аспирант кафедры патологической анатомии и судебной медицины имени профессора В. Л. Коваленко</p><p>Челябинск</p></bio><bio xml:lang="en"><p>Marina K. Lebedeva — Postgraduate Student of the Department of Pathological Anatomy and Forensic Medicine named after Professor V. L. Kovalenko</p><p>Chelyabinsk</p></bio><email xlink:type="simple">lebedeva.mk.path@gmail.com</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-4186-8108</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Ильина</surname><given-names>Т. Е.</given-names></name><name name-style="western" xml:lang="en"><surname>Ilyina</surname><given-names>T. E.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Татьяна Евгеньевна Ильина — кандидат медицинских наук, ассистент кафедры патологической анатомии и судебной медицины имени профессора В. Л. Коваленко</p><p>Челябинск</p></bio><bio xml:lang="en"><p>Tatyana E. Ilyina — Candidate of Sciences (Medicine), Assistant Professor of the Department of Pathological Anatomy and Forensic Medicine named after Professor V. L. Kovalenko</p><p>Chelyabinsk</p></bio><email xlink:type="simple">chlorid@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/0000-0003-2007-3461</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Дуб</surname><given-names>А. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Dub</surname><given-names>A. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Анжела Алексеевна Дуб — доктор медицинских наук, доцент, профессор кафедры патологической анатомии и судебной медицины имени профессора В. Л. Коваленко</p><p>Челябинск</p></bio><bio xml:lang="en"><p>Angela A. Dub — Doctor of Sciences (Medicine), Associate Professor, Professor of the Department of Patho‑ logical Anatomy and Forensic Medicine named after Professor V. L. Kovalenko</p><p>Chelyabinsk</p></bio><email xlink:type="simple">drow_2390@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/0009-0004-1088-9242</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Медведева</surname><given-names>Ю. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Medvedeva</surname><given-names>Yu. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Юлия Алексеевна Медведева — кандидат медицинских наук, доцент, доцент кафедры патологической анатомии и судебной медицины имени профессора В. Л. Коваленко</p><p>Челябинск</p></bio><bio xml:lang="en"><p>Yulia A. Medvedeva — Candidate of Sciences (Medicine), Associate Professor, Associate Professor of the Department of Pathological Anatomy and Forensic Medicine named after Professor V. L. Kovalenko</p><p>Chelyabinsk</p></bio><email xlink:type="simple">uamedvedeva@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/0000-0002-1175-4479</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Казачкова</surname><given-names>Э. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Kazachkova</surname><given-names>E. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Элла Алексеевна Казачкова — доктор медицинский наук, профессор, профессор кафедры акушерства и гинекологии</p><p>Челябинск</p></bio><bio xml:lang="en"><p>Ella A. Kazachkova — Doctor of Sciences (Medicine), Professor, Professor of the Department of Obstetrics and Gynecology</p><p>Chelyabinsk</p><p> </p></bio><email xlink:type="simple">kazachkovaea@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/0000-0002-5368-1458</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Воропаева</surname><given-names>А. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Voropaeva</surname><given-names>A. I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Анна Ивановна Воропаева — аспирант кафедры микробиологии, вирусологии и иммунологии</p><p>Челябинск</p></bio><bio xml:lang="en"><p>Anna I. Voropaeva — Postgraduate Student of the Department of Microbiology, Virology, and Immunology, South Ural State Medical University</p><p>Chelyabinsk</p></bio><email xlink:type="simple">anna.voropaeva11223@gmail.com</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Южно‑Уральский государственный медицинский университет</institution><country>Россия</country></aff><aff xml:lang="en"><institution>South Ural State Medical University</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Городская клиническая больница № 1</institution><country>Россия</country></aff><aff xml:lang="en"><institution>City Clinical Hospital No. 1</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2026</year></pub-date><pub-date pub-type="epub"><day>26</day><month>04</month><year>2026</year></pub-date><volume>25</volume><issue>2</issue><elocation-id>81–91</elocation-id><permissions><copyright-statement>Copyright &amp;#x00A9; Казачков Е.Л., Попов Г.Г., Лебедева М.К., Ильина Т.Е., Дуб А.А., Медведева Ю.А., Казачкова Э.А., Воропаева А.И., 2026</copyright-statement><copyright-year>2026</copyright-year><copyright-holder xml:lang="ru">Казачков Е.Л., Попов Г.Г., Лебедева М.К., Ильина Т.Е., Дуб А.А., Медведева Ю.А., Казачкова Э.А., Воропаева А.И.</copyright-holder><copyright-holder xml:lang="en">Kazachkov E.L., Popov G.G., Lebedeva M.K., Ilyina T.E., Dub A.A., Medvedeva Y.A., Kazachkova E.A., Voropaeva A.I.</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.umjusmu.ru/jour/article/view/2159">https://www.umjusmu.ru/jour/article/view/2159</self-uri><abstract><sec><title>Введение</title><p>Введение. Баллоноклеточный невус (БН) диагностируется крайне редко, когда на долю баллонных клеток приходится более 50 % новообразования и отсутствуют явления клеточного атипизма.</p><p>Цель работы — представить морфологическую характеристику крайне редкой патологии кожи (БН) у ребенка 5 лет в необычной локализации (перианальная область), определяющую дальнейшую тактику ведения пациента.</p><p>Описание клинического случая. У 5-летнего мальчика в перианальной области обнаружено безболезненное округлое образование желтоватого цвета до 0,8 см. Дерматоскопия: образование с гладкой и ровной поверхностью, желтоватым окрашиванием центральных отделов и легким коричневатым оттенком периферии. При надавливании дерматоскопа — эластичность, деформация и смещаемость образования вместе с контактной платой. Под общей анестезией образование иссечено. Макроскопически: форма образования округлая, вид симметричный, консистенция мягко-эластическая. Микроскопически: гнезда меланоцитов на границе эпидермиса и дермы. При распространении в дерму меланоциты трансформируются в крупные светлые баллонные клетки, на долю которых приходится до 90 % опухоли. Полиморфизм клеток, ядерная атипия, митозы отсутствуют. Иммуногистохимически: экспрессия Melan-A, S100, HMB-45 баллонными клетками, что указывает на их принадлежность к продуцирующим меланин. Экспрессия panCK, CD68 и СD10 отсутствует. Диагностирован БН кожи перианальной области, ассоциированный с пограничными меланоцитарными невусами кожи этой зоны.</p></sec><sec><title>Обсуждение</title><p>Обсуждение. Проведено обсуждение полученных результатов с литературными данными о частоте регистрации, возрасте пациентов, локализации патологического процесса и дерматоскопических особенностях БН. Подробно обсуждены морфологические и иммуногистохимические характеристики невуса с выделением иммуногистохимических маркеров такой опухоли. Приведены литературные данные о предполагаемом генезе БН.</p></sec><sec><title>Заключение</title><p>Заключение. Дифференциальная диагностика и постановка правильного диагноза стали возможными при совместной работе дерматолога, хирурга, патологоанатома и сопоставлении результатов осмотра пациента, дерматоскопии, гистологических и иммуногистохимических данных. Морфологический диагноз в приведенном наблюдении является чрезвычайно важным, поскольку определяет вектор дальнейших исследований и тактику ведения пациентов.</p></sec></abstract><trans-abstract xml:lang="en"><sec><title>Introduction</title><p>Introduction. A rare observation of balloon cell nevus (BN) in a 5-year-old child in the skin of the perianal region is given.</p><p>The purpose of this clinical case report is to present the morphological characteristics of an extremely rare skin pathology (BN) in a 5-year-old child in an unusual location (the perianal area) which determines the patient’s subsequent management.</p><p>Description of the clinical case. A rounded yellowish formation up to 0.8 cm was found in the perianal region. A formation with a smooth surface with a brownish tint of the periphery, elastic and displaceable together with the dermatoscope board. Under general anesthesia, a rounded formation of a symmetrical appearance, soft-elastic consistency was excised. Microscopically: nests of melanocytes at the border of the epidermis and dermis with transformation into large light balloon cells (up to 90 % of the tumor). Cell polymorphism, nuclear atypia, mitoses are absent. Immunohistochemically: positive expression of Melan-A, S100, HMB-45 by balloon cells, negative expression of panCK, CD68 and CD10.</p><p>Discussion of the clinical case. Morphological and immunohistochemical characteristics of the nevus with isolation of immunohistochemical markers of this tumor are discussed in detail. Literature data on the alleged genesis of BN are presented.</p></sec><sec><title>Conclusion</title><p>Conclusion. The morphological diagnosis in the above observation is extremely important, since it determines the vector of further studies and the tactics of patient management.</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>баллоноклеточный невус кожи</kwd><kwd>дерматоскопия</kwd><kwd>гистологическая диагностика</kwd><kwd>иммуногистохимия</kwd><kwd>морфологический диагноз</kwd></kwd-group><kwd-group xml:lang="en"><kwd>balloon cell nevus of the skin</kwd><kwd>dermatoscopy</kwd><kwd>histological diagnosis</kwd><kwd>immunohistochemistry</kwd><kwd>immunohistochemistry</kwd><kwd>morphological diagnosis</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">Miescher G. Umwandlung von Naevuszellen in Talgdrüsenzellen? Archiv für Dermatologie und Syphilis. 1935;171:119–124. (In Germ.). DOI: https://doi.org/10.1007/BF02086011.</mixed-citation><mixed-citation xml:lang="en">Miescher G. 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