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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">N.N. Priorov Journal of Traumatology and Orthopedics</journal-id><journal-title-group><journal-title xml:lang="en">N.N. Priorov Journal of Traumatology and Orthopedics</journal-title><trans-title-group xml:lang="ru"><trans-title>Вестник травматологии и ортопедии им. Н.Н. Приорова</trans-title></trans-title-group></journal-title-group><issn publication-format="print">0869-8678</issn><issn publication-format="electronic">2658-6738</issn><publisher><publisher-name xml:lang="en">Eco-Vector</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">430387</article-id><article-id pub-id-type="doi">10.17816/vto430387</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>Clinical 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">The effectiveness of puncture therapy for sacral aneurysmal bone cysts in kids and teenagers. A concise overview of the available research. Presentation of clinical cases</article-title><trans-title-group xml:lang="ru"><trans-title>Эффективность пункционного лечения аневризмальных костных кист крестца у детей и подростков. Краткий обзор литературы. Представление клинических наблюдений</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-9960-9427</contrib-id><contrib-id contrib-id-type="spin">2451-9875</contrib-id><name-alternatives><name xml:lang="en"><surname>Gamayunov</surname><given-names>Roman S.</given-names></name><name xml:lang="ru"><surname>Гамаюнов</surname><given-names>Роман Сергеевич</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>MD</p></bio><email>drgamayunov@yandex.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-5837-9584</contrib-id><contrib-id contrib-id-type="spin">8901-4259</contrib-id><name-alternatives><name xml:lang="en"><surname>Snetkov</surname><given-names>Aleksandr A.</given-names></name><name xml:lang="ru"><surname>Снетков</surname><given-names>Александр Андреевич</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>канд. мед. наук</p></bio><email>isnetkov@gmail.com</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0009-0008-9687-6483</contrib-id><contrib-id contrib-id-type="spin">7937-8752</contrib-id><name-alternatives><name xml:lang="en"><surname>Pleskushkina</surname><given-names>Anna S.</given-names></name><name xml:lang="ru"><surname>Плескушкина</surname><given-names>Анна Сергеевна</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>MD</p></bio><email>dr.pleskushkina@yandex.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0009-0003-2228-1405</contrib-id><name-alternatives><name xml:lang="en"><surname>Ishkinyaev</surname><given-names>Ilyas D.</given-names></name><name xml:lang="ru"><surname>Ишкиняев</surname><given-names>Ильяс Дамирович</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>MD</p></bio><email>ilyas.ishkinyaev@gmail.com</email><xref ref-type="aff" rid="aff1"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Priorov National Medical Research Center of Traumatology and Orthopedics</institution></aff><aff><institution xml:lang="ru">Национальный медицинский исследовательский центр травматологии и ортопедии им. Н.Н. Приорова</institution></aff></aff-alternatives><pub-date date-type="preprint" iso-8601-date="2025-03-15" publication-format="electronic"><day>15</day><month>03</month><year>2025</year></pub-date><pub-date date-type="pub" iso-8601-date="2025-02-15" publication-format="electronic"><day>15</day><month>02</month><year>2025</year></pub-date><volume>32</volume><issue>1</issue><issue-title xml:lang="en"/><issue-title xml:lang="ru"/><fpage>183</fpage><lpage>197</lpage><history><date date-type="received" iso-8601-date="2023-05-19"><day>19</day><month>05</month><year>2023</year></date><date date-type="accepted" iso-8601-date="2024-08-13"><day>13</day><month>08</month><year>2024</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="2026-04-08"/><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://journals.eco-vector.com/0869-8678/article/view/430387">https://journals.eco-vector.com/0869-8678/article/view/430387</self-uri><abstract xml:lang="en"><p><bold>BACKGROUND:</bold><bold> </bold>Aneurysmal bone cysts (ABC) of the spine in children and adolescents are an urgent problem in modern traumatology–orthopedics, oncology and neurosurgery. Spinal ABC is recorded in 8–30% of all cases of ABC detected, while they account for up to 15% of all spinal tumors. The most rare area of ABC lesion is the sacral region, which accounts for less than 4% of reported cases. The treatment methods described in the literature can be divided into conservative, minimally invasive and surgical. The authors report on such methods as the introduction of adjuvant drugs into the cyst cavity, selective arterial embolization, etc. Some sources also mention the use of the drug denosumab. In the literature, you can find materials on surgical treatment in the form of open resection, bone grafting, cementing, as well as a combination of several techniques.</p> <p><bold>CLINICAL CASES DESCRIPTION:</bold><italic> </italic>Results of treatment aimed at reducing ABC activity, bone tissue repair, restoration of sacral support capacity, regression of neurological symptoms in its presence and pain syndrome. The material consisted of 8 patients (4 patients were described in a series of clinical cases) with a diagnosis of aneurysmal bone cyst of the sacrum, who were treated at the Department of Pediatric Bone Pathology and Adolescent Orthopedics of the Priorov National Medical Research Center of Traumatology and Orthopedics. A brief review of the literature is based on a search for articles in PubMed, Cyberlinenka, eLibrary, Google Scholar. The assessment of tumor changes at the treatment stages was carried out by measuring intracystal pressure using a Waldman device in mm of water. The program of the diagnostic arm “Gamma Multivox” (GC “Gammamed”, Russia) made it possible to evaluate the result of treatment according to CT data. The significance of changes in tumor parameters was assessed using the Wilcoxon landmark rank criterion for treatment stages involving at least 5 measurements. Statistical analysis was performed using the SciPy Stats package and Python programming language software.</p> <p><bold>CONCLUSION:</bold><italic> </italic>The result of the treatment was traced over a period of 1 to 8 years. Step-by-step puncture treatment reduces the activity of ABC, starts the process of bone tissue repair, restores the support capacity of the sacrum and reduces the volume of the tumor, promotes regression of pain and neurological symptoms due to the decompressive effect.</p></abstract><trans-abstract xml:lang="ru"><p><bold>Введение.</bold><bold> </bold>Аневризмальные костные кисты (АКК) позвоночника у детей и подростков являются актуальной проблемой современной травматологии–ортопедии, онкологии и нейрохирургии. АКК позвоночника регистрируют в 8–30% из всех случаев выявленных АКК, при этом они составляют до 15% всех опухолей позвоночника. Самой редкой областью поражения АКК является крестцовый отдел, на который приходится менее 4% зарегистрированных случаев. Методы лечения, описанные в литературе, могут быть разделены на консервативные, малоинвазивные и оперативные. Авторы сообщают о таких методах, как введение адъювантных препаратов в полость кисты, селективная артериальная эмболизация и т.д. Также в некоторых источниках упоминается о применении препарата деносумаб. В литературе можно найти материалы о хирургическом лечении в виде открытой резекции, костной пластики, цементирования, а также комбинации нескольких методик.</p> <p><bold>Описание клинических случаев.</bold><bold> </bold>Приведено описание клинических примеров с результатами лечения, направленного на снижение активности АКК, репарацию костной ткани, восстановление опороспособности крестца, регресс неврологической симптоматики при её наличии и болевого синдрома. Материалом послужили 8 пациентов (в серии клинических случаев описано 4 пациента) с диагнозом «аневризмальная костная киста крестца», получавшие лечение в отделении детской костной патологии и подростковой ортопедии ФГБУ «НМИЦ ТО им. Н.Н. Приорова». Краткий обзор литературы выполнен на основании поиска статей в базах PubMed, Cyberlinenka, eLibrary, Google Scholar. Оценка изменений опухоли на этапах лечения проводилась путём измерения внутрикистного давления при помощи аппарата Вальдмана в мм вод. ст. Программа АРМ врача-диагноста «Гамма Мультивокс» (ГК «Гаммамед», Россия) позволила оценить результат лечения по данным КТ. Оценка значимости изменения параметров опухолей проводилась с помощью критерия знаковых рангов Вилкоксона для этапов лечения, включающих не менее 5 измерений. Статистический анализ проводился с помощью пакета SciPy Stats и программного обеспечения на языке программирования Python.</p> <p><bold>Заключение.</bold><bold> </bold>Результат лечения прослежен в сроки от 1 года до 8 лет. Этапное пункционное лечение позволяет снизить активность АКК, запустить процесс репарации костной ткани, восстановить опороспособность крестца и уменьшить объём опухоли, способствует регрессу болевого синдрома и неврологической симптоматики ввиду декомпрессивного эффекта.</p></trans-abstract><kwd-group xml:lang="en"><kwd>aneurysmal bone cyst</kwd><kwd>spine</kwd><kwd>bone grafting</kwd><kwd>tumor</kwd><kwd>spinal surgery</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>аневризмальная костная киста</kwd><kwd>позвоночник</kwd><kwd>костная пластика</kwd><kwd>опухоль</kwd><kwd>хирургия позвоночника</kwd></kwd-group><funding-group/></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>Parker J, Soltani S, Boissiere L, et al. 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