<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE root>
<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 Skin and Venereal Diseases</journal-id><journal-title-group><journal-title xml:lang="en">Russian Journal of Skin and Venereal Diseases</journal-title><trans-title-group xml:lang="ru"><trans-title>Российский журнал кожных и венерических болезней</trans-title></trans-title-group></journal-title-group><issn publication-format="print">1560-9588</issn><issn publication-format="electronic">2412-9097</issn><publisher><publisher-name xml:lang="en">Eco-Vector</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">637444</article-id><article-id pub-id-type="doi">10.17816/dv637444</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>DERMATOLOGY</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>ДЕРМАТОЛОГИЯ</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">Multisystem Langerhans cell histiocytosis in adults: the significance of cutaneous manifestations in early diagnosis</article-title><trans-title-group xml:lang="ru"><trans-title>Мультисистемный гистиоцитоз из клеток Лангерганса у взрослых: значение кожных проявлений в ранней диагностике</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-5800-4800</contrib-id><contrib-id contrib-id-type="spin">8013-3256</contrib-id><name-alternatives><name xml:lang="en"><surname>Teplyuk</surname><given-names>Natalia P.</given-names></name><name xml:lang="ru"><surname>Теплюк</surname><given-names>Наталия Павловна</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>MD, Dr. Sci. (Medicine), Professor</p></bio><bio xml:lang="ru"><p>д-р мед. наук, профессор</p></bio><email>teplyukn@gmail.com</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-5259-7481</contrib-id><contrib-id contrib-id-type="spin">1843-1090</contrib-id><name-alternatives><name xml:lang="en"><surname>Grabovskaya</surname><given-names>Olga V.</given-names></name><name xml:lang="ru"><surname>Грабовская</surname><given-names>Ольга Валентиновна</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>MD, Dr. Sci. (Medicine), Professor</p></bio><bio xml:lang="ru"><p>д-р мед. наук, профессор</p></bio><email>olgadoctor2013@yandex.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-5635-6100</contrib-id><contrib-id contrib-id-type="spin">5150-0535</contrib-id><name-alternatives><name xml:lang="en"><surname>Tertychnyy</surname><given-names>Alexander S.</given-names></name><name xml:lang="ru"><surname>Тертычный</surname><given-names>Александр Семенович</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>MD, Dr. Sci. (Medicine), Professor</p></bio><bio xml:lang="ru"><p>д-р мед. наук, профессор</p></bio><email>atertychnyy@gmail.com</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-8630-3616</contrib-id><name-alternatives><name xml:lang="en"><surname>Kiseleva</surname><given-names>Olga Yu.</given-names></name><name xml:lang="ru"><surname>Киселева</surname><given-names>Ольга Юрьевна</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>oyukisa@mail.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-8751-3965</contrib-id><contrib-id contrib-id-type="spin">6743-7960</contrib-id><name-alternatives><name xml:lang="en"><surname>Ignatiev</surname><given-names>Dmitry V.</given-names></name><name xml:lang="ru"><surname>Игнатьев</surname><given-names>Дмитрий Владимирович</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>dmitrywork@list.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0009-0002-3741-6619</contrib-id><name-alternatives><name xml:lang="en"><surname>Djahaia</surname><given-names>Elizaveta Yu.</given-names></name><name xml:lang="ru"><surname>Джахая</surname><given-names>Елизавета Юрьевна</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>elizaveta_djahaia@mail.ru</email><xref ref-type="aff" rid="aff1"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">I.M. Sechenov First Moscow State Medical University (Sechenov University)</institution></aff><aff><institution xml:lang="ru">Первый Московский государственный медицинский университет имени И.М. Сеченова (Сеченовский Университет)</institution></aff></aff-alternatives><pub-date date-type="preprint" iso-8601-date="2025-03-30" publication-format="electronic"><day>30</day><month>03</month><year>2025</year></pub-date><pub-date date-type="pub" iso-8601-date="2025-02-06" publication-format="electronic"><day>06</day><month>02</month><year>2025</year></pub-date><volume>28</volume><issue>1</issue><issue-title xml:lang="en"/><issue-title xml:lang="ru"/><fpage>75</fpage><lpage>86</lpage><history><date date-type="received" iso-8601-date="2024-10-24"><day>24</day><month>10</month><year>2024</year></date><date date-type="accepted" iso-8601-date="2025-02-01"><day>01</day><month>02</month><year>2025</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2025, Eco-Vector</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2025, Эко-Вектор</copyright-statement><copyright-year>2025</copyright-year><copyright-holder xml:lang="en">Eco-Vector</copyright-holder><copyright-holder xml:lang="ru">Эко-Вектор</copyright-holder><ali:free_to_read xmlns:ali="http://www.niso.org/schemas/ali/1.0/" start_date="2028-01-01"/><license><ali:license_ref xmlns:ali="http://www.niso.org/schemas/ali/1.0/">https://creativecommons.org/licenses/by-nc-nd/4.0/</ali:license_ref></license></permissions><self-uri xlink:href="https://rjsvd.com/1560-9588/article/view/637444">https://rjsvd.com/1560-9588/article/view/637444</self-uri><abstract xml:lang="en"><p>Langerhans cell histiocytosis is a rare disease characterized by the proliferation of Langerhans cells in various organs and tissues, including the skin, bones, lungs, and pituitary gland. The precursor cell, as recent studies have shown, is the myeloid dendritic cell. The severity of the disease is mainly determined by the extent and nature of organ involvement, as well as the number of systems affected. Diagnosis of Langerhans cell histiocytosis requires a comprehensive approach (clinical evaluation, histological analysis, immunohistochemical studies, radiological methods and molecular genetic tests).</p> <p>This article presents a clinical case of a 28-year-old female patient with multisystem Langerhans cell histiocytosis, whose nonspecific skin eruptions were misdiagnosed as seborrheic dermatitis for five years. An inadequate reaction to glucocorticosteroid treatment, along with the presence of comorbid conditions such as diabetes insipidus and severe bullous lung lesions, necessitated additional diagnostic investigations. The final diagnosis was established after immunohistochemical examination of skin and lung biopsies, which revealed the expression of CD68 and CD1a in infiltrating cells.</p> <p>It is important to emphasize that skin manifestations are often the first symptom of a multisystem process. Early recognition of Langerhans cell histiocytosis and timely diagnosis can significantly affect the course of the disease and improve the patient's quality of life.</p></abstract><trans-abstract xml:lang="ru"><p>Гистиоцитоз из клеток Лангерганса ― редкое заболевание, характеризующееся пролиферацией клеток Лангерганса в различных органах и тканях, включая кожу, кости, лёгкие и гипофиз. Клеткой-предшественником, как показали недавние исследования, является миелоидная дендритная клетка. Тяжесть заболевания определяется в основном степенью и характером поражения органов, а также количеством вовлечённых систем. Диагностика гистиоцитоза из клеток Лангерганса требует комплексного подхода (клиническая оценка, гистологический анализ, иммуногистохимические исследования, радиологические методы и молекулярно-генетические тесты).</p> <p>В статье представлен клинический случай 28-летней пациентки с мультисистемным гистиоцитозом из клеток Лангерганса, у которой неспецифические кожные высыпания на протяжении пяти лет ошибочно диагностировали как себорейный дерматит. Неадекватная реакция на лечение глюкокортикоидами, а также наличие сопутствующих заболеваний, таких как несахарный диабет и тяжёлое буллёзное поражение лёгких, обусловили необходимость проведения дополнительной диагностики. Окончательный диагноз был установлен после тщательного анализа клинической картины, сопутствующих заболеваний, проведения иммуногистохимического исследования биоптатов кожи и лёгких, где выявили экспрессию CD68 и CD1a в клетках инфильтрата.</p> <p>Важно подчеркнуть, что кожные проявления часто являются первым симптомом мультисистемного процесса. Раннее распознавание гистиоцитоза из клеток Лангерганса, своевременная диагностика и назначение адекватной терапии, включая таргетные препараты, могут значительно повлиять на исход заболевания и улучшить качество жизни пациента.</p></trans-abstract><kwd-group xml:lang="en"><kwd>Langerhans cell histiocytosis</kwd><kwd>multisystem histiocytosis</kwd><kwd>seborrheic dermatitis</kwd><kwd>pneumothorax</kwd><kwd>diabetes insipidus</kwd><kwd>CD68</kwd><kwd>CD1a</kwd><kwd>trametinib</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>гистиоцитоз из клеток Лангерганса</kwd><kwd>мультисистемный гистиоцитоз</kwd><kwd>себорейный дерматит</kwd><kwd>пневмоторакс</kwd><kwd>несахарный диабет</kwd><kwd>CD68</kwd><kwd>CD1a</kwd><kwd>траметиниб</kwd></kwd-group><funding-group/></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>Allen CE, Merad M, McClain KL. Langerhans-cell histiocytosis. N Engl J Med. 2018;379(9):856–868. doi: 10.1056/NEJMra1607548</mixed-citation></ref><ref id="B2"><label>2.</label><mixed-citation>Hoffman R, Benz EJ, Silberstein LE, et al. Hematology: Basic principles and practice. 8th ed. Philadelphia, Elsevier; 2023. 2704 p.</mixed-citation></ref><ref id="B3"><label>3.</label><mixed-citation>Nezelof C, Basset F, Rousseau MF. Histiocytosis X histogenetic arguments for a Langerhans cell origin. Biomedicine. 1973;18(5):365–371.</mixed-citation></ref><ref id="B4"><label>4.</label><mixed-citation>Krooks J, Minkov M, Weatherall AG. Langerhans cell histiocytosis in children: History, classification, pathobiology, clinical manifestations, and prognosis. J Am Acad Dermatol. 2018;78(6):1035–1044. EDN: YGVDRB doi: 10.1016/j.jaad.2017.05.059</mixed-citation></ref><ref id="B5"><label>5.</label><mixed-citation>Wang BB, Ye JR, Li YL, et al. Multisystem involvement Langerhans cell histiocytosis in an adult: A case report. World J Clin Cases. 2020;8(20):4966–4974. EDN: EJVLCI doi: 10.12998/wjcc.v8.i20.4966</mixed-citation></ref><ref id="B6"><label>6.</label><mixed-citation>Samareh Fekri M, Salajegheh F, Nakhaie M, Rezaei Zadeh Rukerd M. Spontaneous pneumothorax with isolated pulmonary Langerhans cell histiocytosis in an adult case: A common manifestation of rare disease. Clin Case Rep. 2023;11(6):e7567. EDN: IXPPBQ doi: 10.1002/ccr3.7567</mixed-citation></ref><ref id="B7"><label>7.</label><mixed-citation>Miao H, Zhao A, Duan M, et al. Clinical presentation and prognostic analysis of adult patients with Langerhans cell histiocytosis with pulmonary involvement. BMC Cancer. 2020;20(1):911. EDN: OVTKND doi: 10.1186/s12885-020-07421-z</mixed-citation></ref><ref id="B8"><label>8.</label><mixed-citation>Voitkovskaya KS, Chernyaev AL. Langerhans’ cell histiocytosis. Pulmonologiya. 2013;(1):90–94. (In Russ.) EDN: QCKIIF doi: 10.18093/0869-0189-2013-0-1-90-94</mixed-citation></ref><ref id="B9"><label>9.</label><mixed-citation>Emile JF, Abla O, Fraitag S, et al. Revised classification of histiocytoses and neoplasms of the macrophage-dendritic cell lineages. Blood. 2016;127(22):2672–2681. doi: 10.1182/blood-2016-01-690636</mixed-citation></ref><ref id="B10"><label>10.</label><mixed-citation>Campo E, Harris NL, Pileri SA, et al. WHO Classification of tumours of haematopoietic and lymphoid tissues. 4th ed. Lyon, France: International Agency for Research on Cancer; 2017. 585 p.</mixed-citation></ref><ref id="B11"><label>11.</label><mixed-citation>Goyal G, Tazi A, Go RS, et al. International expert consensus recommendations for the diagnosis and treatment of Langerhans cell histiocytosis in adults. Blood. 2022;139(17):2601–2614. EDN: FCTIMJ doi: 10.1182/blood.2021014343</mixed-citation></ref><ref id="B12"><label>12.</label><mixed-citation>Ungari M, Ferrero G, Varotti E, et al. Langerhans cell histiocytosis of an intra-mammary lymph node in an 18-year-old woman. Pathologica. 2020;112(1):50–55. EDN: BIUFTU doi: 10.32074/1591-951x-27-19</mixed-citation></ref><ref id="B13"><label>13.</label><mixed-citation>Haupt R, Minkov M, Astigarraga I, et al. Langerhans cell histiocytosis (LCH): Guidelines for diagnosis, clinical work-up, and treatment for patients till the age of 18 years. Pediatr Blood Cancer. 2013;60(2):175–184. doi: 10.1002/pbc.24367</mixed-citation></ref><ref id="B14"><label>14.</label><mixed-citation>Ehrhardt MJ, Humphrey SR, Kelly ME, et al. The natural history of skin-limited Langerhans cell histiocytosis: A single-institution experience. J Pediatr Hematol Oncol. 2014;36(8):613–616. doi: 10.1097/MPH.0000000000000248</mixed-citation></ref><ref id="B15"><label>15.</label><mixed-citation>Li Z, Yanqiu L, Yan W, et al. Two case report studies of Langerhans cell histiocytosis with an analysis of 918 patients of Langerhans cell histiocytosis in literatures published in China. Int J Dermatol. 2010;49(10):1169–1174. doi: 10.1111/j.1365-4632.2009.04360.x</mixed-citation></ref><ref id="B16"><label>16.</label><mixed-citation>Belysheva TS, Valiev TT, Murashkin NN. Dermatologic masks of langerhans cell histiocytosis. Case report. Consilium Medicum. 2022;24(8):541–546. EDN: HKTMZD doi: 10.26442/20751753.2022.8.201817</mixed-citation></ref><ref id="B17"><label>17.</label><mixed-citation>Yavropoulou MP, Tsoli M, Kaltsas G. Neuroendocrine manifestations of Langerhans cell histiocytosis. Handb Clin Neurol. 2021;181:127–135. EDN: CPQMLO doi: 10.1016/B978-0-12-820683-6.00009-9</mixed-citation></ref><ref id="B18"><label>18.</label><mixed-citation>Błażewicz I, Biernat W, Kowalczyk A, et al. Adult onset of multisystem Langerhans cell histiocytosis with skin and lymph node involvement. Postepy Dermatol Alergol. 2015;32(3):225–228. doi: 10.5114/pdia.2014.40970</mixed-citation></ref><ref id="B19"><label>19.</label><mixed-citation>Lau LD, Vu M, Nirenburg A, Scardamaglia L. Adult multisystem Langerhans cell histiocytosis with cutaneous involvement manifesting as extensive flexural erosions. BMJ Case Rep. 2023;16(8):e254205. EDN: ZMDGDB doi: 10.1136/bcr-2022-254205</mixed-citation></ref></ref-list></back></article>
