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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">Vestnik dermatologii i venerologii</journal-id><journal-title-group><journal-title xml:lang="en">Vestnik dermatologii i venerologii</journal-title><trans-title-group xml:lang="ru"><trans-title>Вестник дерматологии и венерологии</trans-title></trans-title-group></journal-title-group><issn publication-format="print">0042-4609</issn><issn publication-format="electronic">2313-6294</issn><publisher><publisher-name xml:lang="en">Rossijskoe Obschestvo Dermatovenerologov i Kosmetologov</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">16937</article-id><article-id pub-id-type="doi">10.25208/vdv16937</article-id><article-id pub-id-type="edn">lhaqna</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>GUIDELINES FOR PRACTITIONERS</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>В ПОМОЩЬ ПРАКТИЧЕСКОМУ ВРАЧУ</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">Treatment of hypertrophic resistant port-wine stains with copper vapor laser radiation (578 nm)</article-title><trans-title-group xml:lang="ru"><trans-title>Лечение гипертрофических резистентных винных пятен излучением лазера на парах меди на длине волны 578 нм</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-3345-3482</contrib-id><contrib-id contrib-id-type="spin">7643-0784</contrib-id><name-alternatives><name xml:lang="en"><surname>Ponomarev</surname><given-names>Igor V.</given-names></name><name xml:lang="ru"><surname>Пономарев</surname><given-names>Игорь Владимирович</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>Cand. Sci. (Phys.-Math.), Senior Researcher</p></bio><bio xml:lang="ru"><p>к.ф.-м.н., старший научный сотрудник</p></bio><email>luklalukla@ya.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-6540-9235</contrib-id><contrib-id contrib-id-type="spin">2426-3858</contrib-id><name-alternatives><name xml:lang="en"><surname>Topchiy</surname><given-names>Sergey B.</given-names></name><name xml:lang="ru"><surname>Топчий</surname><given-names>Сергей Борисович</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>Cand. Sci. (Phys.-Math.), Senior Researcher</p></bio><bio xml:lang="ru"><p>к.ф.-м.н., старший научный сотрудник</p></bio><email>sergtopchiy@mail.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-0801-6181</contrib-id><contrib-id contrib-id-type="spin">9701-1400</contrib-id><name-alternatives><name xml:lang="en"><surname>Klyuchareva</surname><given-names>Svetlana V.</given-names></name><name xml:lang="ru"><surname>Ключарева</surname><given-names>Светлана Викторовна</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>MD, Dr. Sci. (Med.), Professor</p></bio><bio xml:lang="ru"><p>д.м.н., профессор</p></bio><email>genasveta@rambler.ru</email><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-0082-984X</contrib-id><contrib-id contrib-id-type="spin">8117-1266</contrib-id><name-alternatives><name xml:lang="en"><surname>Pushkareva</surname><given-names>Alexandra E.</given-names></name><name xml:lang="ru"><surname>Пушкарева</surname><given-names>Александра Евгеньевна</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>Cand. Sci. (Tech.), tutor</p></bio><bio xml:lang="ru"><p>к.т.н.</p></bio><email>aepushkareva@itmo.ru</email><xref ref-type="aff" rid="aff3"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Lebedev Physical Institute of the RAS</institution></aff><aff><institution xml:lang="ru">Физический институт им. П.Н. Лебедева РАН</institution></aff></aff-alternatives><aff-alternatives id="aff2"><aff><institution xml:lang="en">North-Western State Medical University named after I.I. Mechnikov</institution></aff><aff><institution xml:lang="ru">Северо-Западный государственный медицинский университет им. И.И. Мечникова</institution></aff></aff-alternatives><aff-alternatives id="aff3"><aff><institution xml:lang="en">ITMO University</institution></aff><aff><institution xml:lang="ru">Национальный исследовательский университет ИТМО</institution></aff></aff-alternatives><pub-date date-type="preprint" iso-8601-date="2026-01-15" publication-format="electronic"><day>15</day><month>01</month><year>2026</year></pub-date><pub-date date-type="pub" iso-8601-date="2026-02-06" publication-format="electronic"><day>06</day><month>02</month><year>2026</year></pub-date><volume>101</volume><issue>6</issue><issue-title xml:lang="en"/><issue-title xml:lang="ru"/><fpage>84</fpage><lpage>94</lpage><history><date date-type="received" iso-8601-date="2025-09-04"><day>04</day><month>09</month><year>2025</year></date><date date-type="accepted" iso-8601-date="2025-12-10"><day>10</day><month>12</month><year>2025</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2026, Ponomarev I.V., Topchiy S.B., Klyuchareva S.V., Pushkareva A.E.</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2026, Пономарев И.В., Топчий С.Б., Ключарева С.В., Пушкарева А.Е.</copyright-statement><copyright-year>2026</copyright-year><copyright-holder xml:lang="en">Ponomarev I.V., Topchiy S.B., Klyuchareva S.V., Pushkareva A.E.</copyright-holder><copyright-holder xml:lang="ru">Пономарев И.В., Топчий С.Б., Ключарева С.В., Пушкарева А.Е.</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-nc/4.0</ali:license_ref></license></permissions><self-uri xlink:href="https://vestnikdv.ru/jour/article/view/16937">https://vestnikdv.ru/jour/article/view/16937</self-uri><abstract xml:lang="en"><p>Port-wine stains are congenital vascular malformations characterized by dilated capillaries in the papillary dermis. Port-wine stains typically appear at birth and tend to become darker and thicker with age. Laser treatments for port-wine stains have proven effective. However, less than 10% of patients are completely cured by pulsed dye laser treatment, and 16–50% relapse after pulsed dye laser treatment. The aim of the study is to evaluate the efficacy of treatment of hypertrophic resistant port-wine stains with variable pulse copper vapor laser radiation at a yellow wavelength of 578 nm. A series of four clinical cases of diagnosed hypertrophic resistant port-wine stains is presented and issues of treatment thereof with the copper vapor laser at a yellow wavelength of 578 nm are discussed. The port-wine stains were treated at the following copper vapor laser settings: an average power of 0.6–0.8 W; an exposure time of 0.2–0.9 s; the light spot diameter was 1 mm. The treatment was carried out in 2–6 sessions with a 2-month interval. A good cosmetic effect was achieved without formation of scars and without relapses during the two-year follow-up period after treatment.</p></abstract><trans-abstract xml:lang="ru"><p>Винные пятна являются врожденными сосудистыми пороками развития, которые характеризуются расширенными капиллярами в сосочковом слое дермы. Винные пятна обычно появляются при рождении и имеют тенденцию становиться темнее и толще с возрастом. Лазерные методы лечения винных пятен доказали свою эффективность. Однако полное излечение с помощью импульсного лазера на красителе достигается менее чем у 10% пациентов, а у 16–50% пациентов после лечения импульсным лазером на красителе винные пятна появляются вновь. Цель исследования —<bold> </bold>оценить эффективность лечения гипертрофических резистентных винных пятен излучением лазера на парах меди на желтой длине волны 578 нм с переменной длительностью импульса. Представлена серия из четырех клинических случаев установленного диагноза гипертрофических резистентных винных пятен, рассмотрены вопросы их лечения излучением лазера на парах меди на желтой длине волны 578 нм. Обработка винных пятен проводилась при следующих параметрах лазера на парах меди: средняя мощность — 0,6–0,8 Вт; длительность экспозиции — 0,2–0,9 с; диаметр светового пятна на коже — 1 мм. Лечение проводилось за 2–6 сеансов с интервалом 2 месяца между сеансами. В результате получен хороший косметический эффект без формирования рубцов и без рецидивов в течение срока наблюдения до двух лет после лечения.</p></trans-abstract><kwd-group xml:lang="en"><kwd>laser treatment of port-wine stains</kwd><kwd>copper vapor laser</kwd><kwd>non-ablative laser treatment</kwd><kwd>computer simulation</kwd><kwd>capillary angiodysplasia</kwd><kwd>clinical case</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>лечение лазером винных пятен</kwd><kwd>лазер на парах меди</kwd><kwd>неаблятивное лазерное лечение</kwd><kwd>компьютерное моделирование</kwd><kwd>капиллярная ангиодисплазия</kwd><kwd>клинический случай</kwd></kwd-group><funding-group/></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>Chen JK, Ghasri P, Aguilar G, van Drooge AM, Wolkerstorfer A, Kelly KM, et al. An overview of clinical and experimental treatment modalities for port wine stains. 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