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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">Russian Journal of Pediatric Surgery</journal-id><journal-title-group><journal-title xml:lang="en">Russian Journal of Pediatric Surgery</journal-title><trans-title-group xml:lang="ru"><trans-title>Детская хирургия</trans-title></trans-title-group></journal-title-group><issn publication-format="print">1560-9510</issn><issn publication-format="electronic">2412-0677</issn><publisher><publisher-name xml:lang="en">Eco-Vector</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">738</article-id><article-id pub-id-type="doi">10.17816/ps738</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>Case reports</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>Клинические случаи</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">Jadassohn's nevus in a newborn: surgical treatment or conservative tactics</article-title><trans-title-group xml:lang="ru"><trans-title>Невус Ядассона у новорожденного: хирургическое лечение или консервативная тактика?</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0009-0002-4034-8776</contrib-id><contrib-id contrib-id-type="spin">9711-9742</contrib-id><name-alternatives><name xml:lang="en"><surname>Karyakina</surname><given-names>Irina A.</given-names></name><name xml:lang="ru"><surname>Карякина</surname><given-names>Ирина Алексеевна</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>MD, Dr. Sci. (Medicine)</p></bio><bio xml:lang="ru"><p>доктор медицинских наук</p></bio><email>kariyakina@mail.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-2256-6198</contrib-id><contrib-id contrib-id-type="spin">8467-3155</contrib-id><name-alternatives><name xml:lang="en"><surname>Rekhviashvili</surname><given-names>Mikhail G.</given-names></name><name xml:lang="ru"><surname>Рехвиашвили</surname><given-names>Михаил Георгиевич</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>MD, Cand. Sci. (Medicine)</p></bio><bio xml:lang="ru"><p>кандидат медицинских наук</p></bio><email>dr.rekhviashvili@yandex.ru</email><xref ref-type="aff" rid="aff2"/><xref ref-type="aff" rid="aff3"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-1116-2729</contrib-id><contrib-id contrib-id-type="spin">1698-9752</contrib-id><name-alternatives><name xml:lang="en"><surname>Bazina</surname><given-names>Irina G.</given-names></name><name xml:lang="ru"><surname>Базина</surname><given-names>Ирина Геннадьевна</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>MD, Cand. Sci. (Medicine)</p></bio><bio xml:lang="ru"><p>кандидат медицинских наук</p></bio><email>mdgkb-facial@morozdgkb.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-7786-5075</contrib-id><contrib-id contrib-id-type="spin">2609-9662</contrib-id><name-alternatives><name xml:lang="en"><surname>Bogatyreva</surname><given-names>Nina N.</given-names></name><name xml:lang="ru"><surname>Богатырева</surname><given-names>Нина Николаевна</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>MD</p></bio><email>centrpath@yandex.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0009-0000-4095-7614</contrib-id><name-alternatives><name xml:lang="en"><surname>Propletkina</surname><given-names>Kristina D.</given-names></name><name xml:lang="ru"><surname>Проплеткина</surname><given-names>Кристина Дмитриевна</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>MD</p></bio><email>kislinka2000@yandex.ru</email><xref ref-type="aff" rid="aff4"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Morozov Children's Municipal Clinical Hospital</institution></aff><aff><institution xml:lang="ru">Морозовская детская городская клиническая больница</institution></aff></aff-alternatives><aff-alternatives id="aff2"><aff><institution xml:lang="en">Moscow Regional Center for Maternal and Child Health</institution></aff><aff><institution xml:lang="ru">Московский областной центр охраны материнства и детства</institution></aff></aff-alternatives><aff-alternatives id="aff3"><aff><institution xml:lang="en">Russian University of Medicine</institution></aff><aff><institution xml:lang="ru">Российский университет медицины</institution></aff></aff-alternatives><aff-alternatives id="aff4"><aff><institution xml:lang="en">The Russian National Research Medical University named after N.I. Pirogov</institution></aff><aff><institution xml:lang="ru">Российский национальный исследовательский медицинский университет имени Н.И. Пирогова</institution></aff></aff-alternatives><pub-date date-type="preprint" iso-8601-date="2024-04-26" publication-format="electronic"><day>26</day><month>04</month><year>2024</year></pub-date><pub-date date-type="pub" iso-8601-date="2024-05-30" publication-format="electronic"><day>30</day><month>05</month><year>2024</year></pub-date><volume>28</volume><issue>2</issue><issue-title xml:lang="en"/><issue-title xml:lang="ru"/><fpage>231</fpage><lpage>238</lpage><history><date date-type="received" iso-8601-date="2023-10-05"><day>05</day><month>10</month><year>2023</year></date><date date-type="accepted" iso-8601-date="2023-12-06"><day>06</day><month>12</month><year>2023</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2024, Karyakina I.A., Rekhviashvili M.G., Bazina I.G., Bogatyreva N.N., Propletkina K.D.</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2024, Карякина И.А., Рехвиашвили М.Г., Базина И.Г., Богатырева Н.Н., Проплеткина К.Д.</copyright-statement><copyright-year>2024</copyright-year><copyright-holder xml:lang="en">Karyakina I.A., Rekhviashvili M.G., Bazina I.G., Bogatyreva N.N., Propletkina K.D.</copyright-holder><copyright-holder xml:lang="ru">Карякина И.А., Рехвиашвили М.Г., Базина И.Г., Богатырева Н.Н., Проплеткина К.Д.</copyright-holder><ali:free_to_read xmlns:ali="http://www.niso.org/schemas/ali/1.0/" start_date="2025-05-30"/></permissions><self-uri xlink:href="https://jps-nmp.ru/jour/article/view/738">https://jps-nmp.ru/jour/article/view/738</self-uri><abstract xml:lang="en"><p><bold>BACKGROUND</bold>: Jadassohn's nevus (seborrheic nevus, nevus of the sebaceous glands) is a hamartoma which is mainly localized on the scalp and face skin. At birth, it looks like a barely noticeable light yellow plaque which significantly increases at the puberty period under androgenic stimulation. The histological picture of Jadasson's nevus is characterized by changes in the epidermis in the form of acanthosis, papillomatosis, hyperkeratosis, and a large number of hyperplastic sebaceous glands. Pluripotent epithelial cells, which are part of the hamartoma, may provoke the growth of secondary benign and malignant tumors. This nevus may be manifested by Schimmelpenning–Feuerstein–Mims syndrome which can damage the nervous system and eyes. Currently, there are no uniform recommendations for the management of patients with Jadassohn's nevus.</p> <p><bold>CLINICAL</bold><bold> </bold><bold>CASE</bold><bold> </bold><bold>DESCRIPTION</bold><bold>:</bold> In this article, we present our own experience of treating two children discussed pathology. The first boy had a radical surgery at the age of 16 days of life because of large dimensions of the nevus and a significant cosmetic defect. Removal of the formation at the neonatal period has prevented the development of rough postoperative scars and promoted good cosmetic outcome due to high elastic and regenerative properties of baby's skin. In the second child, Jadasson's nevus looked like a barely noticeable light yellow plaque; therefore, conservative tactics was chosen for this patient. Both children were consulted by a neurologist and an ophthalmologist who found no pathology in the nervous system and in the vision organs.</p> <p><bold>CONCLUSION</bold><bold>:</bold> The described two clinical examples demonstrate the need for individual and multidisciplinary approaches in the management of patients with Jadasson's nevus. Active surgical tactics should be applied because of a significant cosmetic defect rather than for the prevention of malignant transformation which is met in less than 1% of cases.</p></abstract><trans-abstract xml:lang="ru"><p><bold>Обоснование.</bold> Невус Ядассона (себорейный невус, невус сальных желёз) — гамартома, локализующаяся преимущественно на коже волосистой части головы и лице. При рождении имеет вид малозаметной светло-желтой бляшки, значимо увеличивающейся в период полового созревания под действием андрогенной стимуляции. Гистологическая картина невуса Ядассона характеризуется изменениями эпидермиса в виде акантоза, папилломатоза, гиперкератоза, наличием большого количества гиперплазированных сальных желёз. Плюрипотентные эпителиальные клетки, входящие в состав гамартомы, обуславливают возможность развития вторичных доброкачественных и злокачественных опухолей. Невус сальных желёз может быть ассоциирован с синдромом Шиммелпеннинга–Фейерштейна–Мимса, для которого характерно поражение нервной системы и глаз. В настоящее время не разработано единых рекомендаций для ведения пациентов с невусом Ядассона.</p> <p>Описание клинического случая. В данной статье мы представляем собственный опыт лечения двух детей с данной патологией. Первому мальчику в связи с большими размерами невуса и значимым косметическим дефектом было проведено радикальное хирургическое лечение в возрасте 16-ти сут. Удаление образования в неонатальном периоде позволило предотвратить развитие грубых послеоперационных рубцов и добиться хорошего косметического результата за счет высоких эластических и регенеративных свойств кожи младенца. У второго ребёнка невус Ядассона имел вид малозаметной светло-желтой бляшки, в связи с чем было принято решение о консервативной тактике ведения данного пациента. Оба ребёнка были консультированы неврологом и офтальмологом, по заключениям которых патологий со стороны нервной системы и органа зрения выявлено не было.</p> <p><bold>Заключение.</bold> Описанные клинические примеры демонстрируют необходимость индивидуального и мультидисциплинарного подхода в ведении пациентов с невусом Ядассона. Активная хирургическая тактика должна быть обусловлена наличием значимого косметического дефекта, а не профилактикой злокачественной трансформации, встречающейся менее чем в 1% случаев.</p></trans-abstract><kwd-group xml:lang="en"><kwd>Jadassohn's nevus</kwd><kwd>neonatal surgery</kwd><kwd>maxillofacial surgery</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>невус Ядассона</kwd><kwd>хирургия новорожденных</kwd><kwd>челюстно-лицевая хирургия</kwd></kwd-group><funding-group/></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><citation-alternatives><mixed-citation xml:lang="en">Garcias-Ladaria J, Cuadrado Rosón M, Pascual-López M. 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