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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="other" dtd-version="1.2" xml:lang="en"><front><journal-meta><journal-id journal-id-type="publisher-id">Pediatric Hematology/Oncology and Immunopathology</journal-id><journal-title-group><journal-title xml:lang="en">Pediatric Hematology/Oncology and Immunopathology</journal-title><trans-title-group xml:lang="ru"><trans-title>Вопросы гематологии/онкологии и иммунопатологии в педиатрии</trans-title></trans-title-group></journal-title-group><issn publication-format="print">1726-1708</issn><issn publication-format="electronic">2414-9314</issn><publisher><publisher-name xml:lang="en">Fund Doctors, Innovations, Science for Children</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">490</article-id><article-id pub-id-type="doi">10.24287/1726-1708-2021-20-1-145-155</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>CLINICAL OBSERVATIONS</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>КЛИНИЧЕСКИЕ НАБЛЮДЕНИЯ</subject></subj-group><subj-group subj-group-type="article-type"><subject></subject></subj-group></article-categories><title-group><article-title xml:lang="en">Repidly involuting congenital hemangioma</article-title><trans-title-group xml:lang="ru"><trans-title>В поисках редкой болезни: врожденные гемангиомы</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-7265-0414</contrib-id><name-alternatives><name xml:lang="en"><surname>Khachatryan</surname><given-names>L. A.</given-names></name><name xml:lang="ru"><surname>Хачатрян</surname><given-names>Л. А.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>Cand. Med. Sci., Head of Box Department of Hematology/Oncology,</p><p>1 Samory Mashela St., Moscow 117997</p></bio><bio xml:lang="ru"><p>канд. мед. наук, заведующая боксированным отделением гематологии/онкологии,</p><p>117997, Москва, ул. Саморы Машела, 1</p></bio><email>lili.2510@yandex.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Chikvina</surname><given-names>I. I.</given-names></name><name xml:lang="ru"><surname>Чиквина</surname><given-names>И. И.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>Moscow</p></bio><bio xml:lang="ru"><p>Москва</p></bio><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Kletskaya</surname><given-names>I. S.</given-names></name><name xml:lang="ru"><surname>Клецкая</surname><given-names>И. С.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>Moscow</p></bio><bio xml:lang="ru"><p>Москва</p></bio><xref ref-type="aff" rid="aff1"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Dmitry Rogachev National Medical Research Center of Pediatric Hematology, Oncology and Immunology, Ministry of Healthcare of Russian Federation</institution></aff><aff><institution xml:lang="ru">ФГБУ «Национальный медицинский исследовательский центр детской гематологии, онкологии и иммунологии им. Дмитрия Рогачева» Минздрава России</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2021-04-21" publication-format="electronic"><day>21</day><month>04</month><year>2021</year></pub-date><volume>20</volume><issue>1</issue><issue-title xml:lang="en"/><issue-title xml:lang="ru"/><fpage>145</fpage><lpage>155</lpage><history><date date-type="received" iso-8601-date="2021-04-20"><day>20</day><month>04</month><year>2021</year></date><date date-type="accepted" iso-8601-date="2021-04-20"><day>20</day><month>04</month><year>2021</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2021, «D. Rogachev NMRCPHOI»</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2021, ФГБУ «НМИЦ ДГОИ им. Дмитрия Рогачева» Минздрава России</copyright-statement><copyright-year>2021</copyright-year><copyright-holder xml:lang="en">«D. Rogachev NMRCPHOI»</copyright-holder><copyright-holder xml:lang="ru">ФГБУ «НМИЦ ДГОИ им. Дмитрия Рогачева» Минздрава России</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/4.0</ali:license_ref></license></permissions><self-uri xlink:href="https://hemoncim.com/jour/article/view/490">https://hemoncim.com/jour/article/view/490</self-uri><abstract xml:lang="en"><p>Congenital hemangiomas are rare benign vascular tumors that develop in utero and are fully formed by the time of birth. Depending on the ability to involution, there are three subtypes: RICH (repidly involuting congenital hemangioma), NICH (non involuting congenital hemangioma), PICH (partially involuting congenital hemangioma). PICH may be accompanied by thrombocytopenia and consumption coagulopathy. Despite clearly defined clinical and histological characteristics, it can be difficult to make a differential diagnosis between congenital hemangiomas and other vascular tumors (infantile hemangioma, kaposiform hemangioendothelioma/“fascicular” angioma and others). The clinical case in the article of a vascular tumor in a newborn complicated by thrombocytopenia and consumption coagulopathy was regarded as Kazabach-Merritt syndrome, which is based on kaposiform hemangioendothelioma/“fascicular” angioma. Rapid regression of the tumor and recovery of hemogram and coagulogram parameters, as well as anamnesis of the disease and initial characteristics of the tumor forced to reconsider the diagnosis. Based on the histological picture, the diagnosis of congenital hemangioma, RICH, was confirmed. Verification of the diagnosis made it possible to change therapeutic tactics and avoid chemotherapy. A giant hemangioma, accompanied by thrombocytopenia and consumption coagulopathy, may have a very favorable outcome – a complete resolution of the pathological process inherent in its natural course. The patient's parents agreed to use the information, including the child's photo, in scientific research and publications. </p></abstract><trans-abstract xml:lang="ru"><p>Врожденные гемангиомы – это редкие доброкачественные сосудистые опухоли, развивающиеся внутриутробно и полностью сформированные к моменту рождения. В зависимости от способности к инволюции выделяют три субтипа: RICH (Rаpidly involuting congenital hemangioma), NICH (non involuting congenital hemangioma), PICH (partially involuting congenital hemangioma). Один из субтипов (RICH) может сопровождаться тромбоцитопенией и коагулопатией потребления. Несмотря на четко очерченные клинические и гистологические характеристики, бывает сложно провести дифференциальный диагноз между врожденными гемангиомами и другими вариантами сосудистых опухолей (инфантильная гемангиома, капошиформная гемангиоэндотелиома/«пучковая» ангиома и др.). Приведенный в статье клинический случай сосудистой опухоли у новорожденного ребенка, осложненный тромбоцитопенией и коагулопатией потребления, был расценен как синдром Казабаха–Мерритт, в основе которого лежат капошиформная гемангиоэндотелиома/«пучковая» ангиома. Быстрые регресс опухоли и восстановление показателей гемограммы и коагулограммы, а также анамнез заболевания и инициальные характеристики опухоли заставили пересмотреть диагноз. На основании гистологической картины был подтвержден диагноз врожденной гемангиомы, субтип RICH. Верификация диагноза позволила изменить тактику терапии и воздержаться от необходимости проведения химиотерапии. За гигантской гемангиомой, сопровождающейся тромбоцитопенией и коагулопатией потребления, может скрываться весьма благоприятный исход – полное разрешение патологического процесса, заложенного в его естественном течении. Родители пациента дали согласие на использование информации, в том числе фотографий ребенка, в научных исследованиях и публикациях. </p></trans-abstract><kwd-group xml:lang="en"><kwd>congenital hemangioma</kwd><kwd>Kazabach-Merritt syndrome</kwd><kwd>vascular tumors</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>врожденная гемангиома</kwd><kwd>синдром Казабаха-Мерритт</kwd><kwd>сосудистые опухоли</kwd></kwd-group><funding-group/></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>Salazard B. Les anomalies vasculaires de l'enfant. Mt pédiatrie 2009; 12: 58–65.</mixed-citation></ref><ref id="B2"><label>2.</label><mixed-citation>Mulliken J.B., Glowaki J. 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