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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, Anesthesia and Intensive Care</journal-id><journal-title-group><journal-title xml:lang="en">Russian Journal of Pediatric Surgery, Anesthesia and Intensive Care</journal-title><trans-title-group xml:lang="ru"><trans-title>Российский вестник детской хирургии, анестезиологии и реаниматологии</trans-title></trans-title-group></journal-title-group><issn publication-format="print">2219-4061</issn><issn publication-format="electronic">2587-6554</issn><publisher><publisher-name xml:lang="en">Eco-Vector</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">1869</article-id><article-id pub-id-type="doi">10.17816/psaic1869</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">Resection of an inflammatory myofibroblastic tumor in the upper lobe of the right lung in an adolescent: A case report</article-title><trans-title-group xml:lang="ru"><trans-title>Удаление воспалительной миофибробластической опухоли верхней доли легкого у подростка: клинический случай</trans-title></trans-title-group><trans-title-group xml:lang="zh"><trans-title>青少年上肺叶炎性肌纤维母细胞瘤的保器官切除术：临床病例</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-4885-123X</contrib-id><contrib-id contrib-id-type="spin">9042-5092</contrib-id><name-alternatives><name xml:lang="en"><surname>Stаlmakhovich</surname><given-names>Viktor N.</given-names></name><name xml:lang="ru"><surname>Стальмахович</surname><given-names>Виктор Николаевич</given-names></name><name xml:lang="zh"><surname>Stаlmakhovich</surname><given-names>Viktor N.</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><bio xml:lang="zh"><p>MD, Dr. Sci. (Medicine), Professor</p></bio><email>Stal.irk@mail.ru</email><xref ref-type="aff" rid="aff1"/><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-1911-4468</contrib-id><contrib-id contrib-id-type="spin">9210-5286</contrib-id><name-alternatives><name xml:lang="en"><surname>Strashinsky</surname><given-names>Alexey S.</given-names></name><name xml:lang="ru"><surname>Страшинский</surname><given-names>Алексей Сергеевич</given-names></name><name xml:lang="zh"><surname>Strashinsky</surname><given-names>Alexey S.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>MD</p></bio><bio xml:lang="zh"><p>MD</p></bio><email>leksus-642@yandex.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-4731-7526</contrib-id><contrib-id contrib-id-type="spin">3965-6284</contrib-id><name-alternatives><name xml:lang="en"><surname>Muravev</surname><given-names>Sergey A.</given-names></name><name xml:lang="ru"><surname>Муравьев</surname><given-names>Сергей Александрович</given-names></name><name xml:lang="zh"><surname>Muravev</surname><given-names>Sergey A.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>MD</p></bio><bio xml:lang="zh"><p>MD</p></bio><email>muravev1999sergey@mail.ru</email><xref ref-type="aff" rid="aff3"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-9195-5480</contrib-id><name-alternatives><name xml:lang="en"><surname>Byrgazov</surname><given-names>Anton A.</given-names></name><name xml:lang="ru"><surname>Быргазов</surname><given-names>Антон Алексеевич</given-names></name><name xml:lang="zh"><surname>Byrgazov</surname><given-names>Anton A.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>byrgazov.ant-doc38@yandex.ru</email><xref ref-type="aff" rid="aff4"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-7956-3804</contrib-id><contrib-id contrib-id-type="spin">8546-3392</contrib-id><name-alternatives><name xml:lang="en"><surname>Kostyunin</surname><given-names>Kirill Yu.</given-names></name><name xml:lang="ru"><surname>Костюнин</surname><given-names>Кирилл Юрьевич</given-names></name><name xml:lang="zh"><surname>Kostyunin</surname><given-names>Kirill Yu.</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><bio xml:lang="zh"><p>MD, Cand. Sci. (Medicine)</p></bio><email>kostjunin@gmail.com</email><xref ref-type="aff" rid="aff5"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Children’s Regional Clinical Hospital, Irkutsk</institution></aff><aff><institution xml:lang="ru">Детская областная клиническая больница, Иркутск</institution></aff><aff><institution xml:lang="zh">Children’s Regional Clinical Hospital, Irkutsk</institution></aff></aff-alternatives><aff-alternatives id="aff2"><aff><institution xml:lang="en">Irkutsk State Medical Academy of Postgraduate Education</institution></aff><aff><institution xml:lang="ru">Иркутская государственная медицинская академия последипломного образования</institution></aff><aff><institution xml:lang="zh">Irkutsk State Medical Academy of Postgraduate Education</institution></aff></aff-alternatives><aff-alternatives id="aff3"><aff><institution xml:lang="en">Irkutsk State Medical University</institution></aff><aff><institution xml:lang="ru">Иркутский государственный медицинский университет</institution></aff><aff><institution xml:lang="zh">Irkutsk State Medical University</institution></aff></aff-alternatives><aff-alternatives id="aff4"><aff><institution xml:lang="en">Children’s Regional Clinical Hospital</institution></aff><aff><institution xml:lang="ru">Детская областная клиническая больница</institution></aff><aff><institution xml:lang="zh">Children’s Regional Clinical Hospital</institution></aff></aff-alternatives><aff-alternatives id="aff5"><aff><institution xml:lang="en">Irkutsk Regional Consultative and Clinical Diagnostic Center</institution></aff><aff><institution xml:lang="ru">Иркутский областной консультативно-клинический диагностический центр</institution></aff><aff><institution xml:lang="zh">Irkutsk Regional Consultative and Clinical Diagnostic Center</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2025-04-23" publication-format="electronic"><day>23</day><month>04</month><year>2025</year></pub-date><volume>15</volume><issue>1</issue><issue-title xml:lang="en"/><issue-title xml:lang="ru"/><issue-title xml:lang="zh"/><fpage>119</fpage><lpage>126</lpage><history><date date-type="received" iso-8601-date="2024-12-04"><day>04</day><month>12</month><year>2024</year></date><date date-type="accepted" iso-8601-date="2025-02-11"><day>11</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-statement xml:lang="zh">Copyright ©; 2025,</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/"/><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://rps-journal.ru/jour/article/view/1869">https://rps-journal.ru/jour/article/view/1869</self-uri><abstract xml:lang="en"><p>Inflammatory myofibroblastic tumors are rare benign neoplasms that primarily affect the lungs, accounting for approximately 0.7% of all pulmonary mass lesions. Until recently, radical lobectomy was the primary treatment approach, leading to complete recovery. This report describes a successful lung-sparing tumorectomy in a 15-year-old girl with an inflammatory myofibroblastic tumor of the right upper lobe, incidentally discovered during a routine chest X-ray. The procedure was performed via posterolateral thoracotomy, pulmonotomy, and mobilization with excision of the tumor extending to the root of the upper lobe. Hemostasis was achieved using the LigaSure electrosurgical system. The edges of the dissected upper lobe lung tissue were reapproximated using a manual suture technique. The operation lasted 90 minutes, with no intraoperative complications, including bleeding or perforation of segmental and subsegmental bronchi. Histological examination initially suggested a perivascular epithelioid cell tumor, but a second review at the Dmitry Rogachev National Medical Research Center for Pediatric Hematology, Oncology, and Immunology confirmed the diagnosis of inflammatory myofibroblastic tumor. The hospital stay lasted 14 days. One-month postoperative chest computed tomography revealed no signs of recurrence. Lung-sparing tumorectomy was the preferred treatment option in this case, as the tumor exhibited benign features (well-defined margins, no invasion of the bronchial system or adjacent lung tissue). This approach allowed complete tumor removal with preserving healthy lung tissue.</p></abstract><trans-abstract xml:lang="ru"><p>Воспалительная миофибробластическая опухоль относится к редким доброкачественным новообразованиям, поражающим преимущественно легкие и составляющим около 0,7% всех объемных образований этого органа. До последнего времени основным методом лечения было радикальное удаление опухоли в объеме лобэктомии, приводящее к полному выздоровлению. В настоящей статье представлен случай успешной органосохраняющей туморэктомии верхней доли правого легкого у девочки 15 лет. Объемное образование было случайной диагностической находкой при проведении планового рентгенологического обследования. Операция выполнена путем заднебоковой торакотомии, пульмонотомии и мобилизации и удалении узла опухоли, уходящего до корня верхней доли. Гемостаз обеспечен использованием электрохирургического блока LigaSure. Адаптация краев рассеченной ткани верхней доли легкого проведена наложением ручного шва. Время операции составило 90 мин. Интраоперационных осложнений в виде кровотечения, перфорации сегментарных и субсегментарных бронхов не было. По результатам гистологического исследования не исключалась периваскулярно-эпителиальноклеточная опухоль. При повторном анализе гистологического материала в Национальном медицинском исследовательском центре детской гематологии, онкологии и иммунологии имени Дмитрия Рогачева установлена морфологическая картина воспалительной миофибробластической опухоли легкого. Длительность пребывания в стационаре составила 14 сут. В послеоперационном периоде через месяц по данным компьютерной томографии органов грудной клетки признаков рецидива заболевания не обнаружено. Органосохраняющая туморэктомия стала предпочтительным вариантом лечения, так как образование первоначально имело доброкачественные признаки: четкие ровные контуры, отсутствие прорастания в бронхиальную систему прилегающей ткани легкого, что позволило удалить ее, сохранив при этом здоровую ткань легкого.</p></trans-abstract><trans-abstract xml:lang="zh"><p>炎性肌纤维母细胞瘤（inflammatory myofibroblastic tumor， IMT）是一种罕见的良性肿瘤， 主要累及肺部，占所有肺部占位性病变的约 0.7%。长期以来，肺叶切除术被认为是主要治疗方法，可实现完全治愈。本文报道了一例15岁女孩 右上肺叶炎性肌纤维母细胞瘤的成功 保器官肿瘤切除术。 该肿瘤在计划性X线检查中偶然发现。手术采用后外侧开胸术及肺切开术，肿瘤沿右上肺叶根部延伸，术中对肿块进行游离并完整切除。止血采用电外科系统LigaSure进行。上肺叶切开缘通过手工缝合进行适应性修复。手术时间：90分钟。术中未出现并发症，无出血、无段支气管及亚段支气管穿孔。术后病理学检查最初未排除血管周围上皮样细胞肿瘤。随后，在Dmitry Rogachev National Medical Research Center Of Pediatric Hematology, Oncology and Immunology复查组织样本后，确诊为肺部炎性肌纤维母细胞瘤。住院时间：14天。术后1个月胸部CT复查：未见复发迹象。由于本病例肿瘤具有良性特征（边界清晰、轮廓规则、无支气管系统浸润），保器官肿瘤切除术 被认为是更优治疗方案，使患者在完整切除肿瘤的同时，最大程度保留了肺组织。</p></trans-abstract><kwd-group xml:lang="en"><kwd>inflammatory myofibroblastic tumor</kwd><kwd>lung</kwd><kwd>thoracic surgery</kwd><kwd>children</kwd><kwd>case report</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>воспалительная миофибробластическая опухоль</kwd><kwd>легкое</kwd><kwd>торакальная хирургия</kwd><kwd>дети</kwd><kwd>клинический случай</kwd></kwd-group><kwd-group xml:lang="zh"><kwd>炎性肌纤维母细胞瘤</kwd><kwd>肺</kwd><kwd>胸外科</kwd><kwd>儿童</kwd><kwd>临床病例</kwd></kwd-group><funding-group/></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>Stalmakhovich V, Kaigorodova I, Li I, et al. 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