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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">642577</article-id><article-id pub-id-type="doi">10.17816/vto642577</article-id><article-id pub-id-type="edn">GCGFPT</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">Reverse shoulder arthroplasty in a patient with glenoid deformity: a case report</article-title><trans-title-group xml:lang="ru"><trans-title>Реверсивное эндопротезирование плечевого сустава у пациента с деформацией суставного отростка лопатки: клинический случай</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-5268-4972</contrib-id><contrib-id contrib-id-type="spin">9151-7883</contrib-id><name-alternatives><name xml:lang="en"><surname>Marychev</surname><given-names>Ivan N.</given-names></name><name xml:lang="ru"><surname>Марычев</surname><given-names>Иван Николаевич</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>dr.ivan.marychev@mail.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0009-0002-1584-1999</contrib-id><contrib-id contrib-id-type="spin">9217-0970</contrib-id><name-alternatives><name xml:lang="en"><surname>Gudushauri</surname><given-names>Yago G.</given-names></name><name xml:lang="ru"><surname>Гудушаури</surname><given-names>Яго Гогиевич</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>MD, Dr. Sci (Medicine)</p></bio><bio xml:lang="ru"><p>д-р мед. наук</p></bio><email>gogich71@mail.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0009-0000-1965-4264</contrib-id><contrib-id contrib-id-type="spin">2444-5138</contrib-id><name-alternatives><name xml:lang="en"><surname>Fedotov</surname><given-names>Evgeniy Yu.</given-names></name><name xml:lang="ru"><surname>Федотов</surname><given-names>Евгений Юрьевич</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>fedotovej@mail.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0009-0009-8511-3613</contrib-id><contrib-id contrib-id-type="spin">4485-9951</contrib-id><name-alternatives><name xml:lang="en"><surname>Stoyukhin</surname><given-names>Sergey S.</given-names></name><name xml:lang="ru"><surname>Стоюхин</surname><given-names>Сергей Сергеевич</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>Sergey.stoyukhin@gmail.com</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-8954-9192</contrib-id><contrib-id contrib-id-type="spin">9552-2408</contrib-id><name-alternatives><name xml:lang="en"><surname>Konovalov</surname><given-names>Vyacheslav V.</given-names></name><name xml:lang="ru"><surname>Коновалов</surname><given-names>Вячеслав Валерьевич</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>slava2801@yandex.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0009-0008-3669-3167</contrib-id><contrib-id contrib-id-type="spin">6670-7373</contrib-id><name-alternatives><name xml:lang="en"><surname>Lamasov</surname><given-names>Aleksandr D.</given-names></name><name xml:lang="ru"><surname>Ламасов</surname><given-names>Александр Денисович</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>lamasovsasha@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="2025-12-21" publication-format="electronic"><day>21</day><month>12</month><year>2025</year></pub-date><pub-date date-type="pub" iso-8601-date="2026-04-02" publication-format="electronic"><day>02</day><month>04</month><year>2026</year></pub-date><volume>33</volume><issue>1</issue><issue-title xml:lang="en"/><issue-title xml:lang="ru"/><fpage>125</fpage><lpage>134</lpage><history><date date-type="received" iso-8601-date="2024-12-05"><day>05</day><month>12</month><year>2024</year></date><date date-type="accepted" iso-8601-date="2025-07-12"><day>12</day><month>07</month><year>2025</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2026, Eco-Vector</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2026, Эко-Вектор</copyright-statement><copyright-year>2026</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="2027-04-02"/><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/642577">https://journals.eco-vector.com/0869-8678/article/view/642577</self-uri><abstract xml:lang="en"><p><bold>BACKGROUND:</bold> Shoulder joint endoprosthetics is one of the methods of treating patients with deforming arthrosis and degenerative changes in the structures of the shoulder, providing relief of pain, improving the functions of the upper limb and, accordingly, improving the patient’s quality of life. However, postoperative complications after reverse shoulder arthroplastystill occur quite oftenand make up to 20% of the total number of patients with reverse unrelated endoprostheses. In this regard, there are relatively few publications describing the tactics of surgical treatment and methods of prosthetics of the formed glenoid deformity in patients with severe arthrosis of the shoulder joint.</p> <p><bold>CLINICAL CASES DESCRIPTION:</bold> The article presents a case of surgical treatment of a 70-year-old patient with grade 3 omarthrosis, who underwent CT scanning, based on which the glenoid type Walch C, Favard E3, lower inclination of about 17 degrees, retroversion of 37 degrees, multiple head cysts were determined. Using additive technologies and personalized instrumentation, the patient successfully underwent reverse shoulder arthroplasty with deformation leveling due to an individual augment.</p> <p><bold>CONCLUSION: </bold>The use of modern 3D technologies allows, based on the results of CT modeling, not only to plan the stages of arthroplasty, select the necessary size and shape of implants, but also to manufacture individual augments using 3D printing to level the deformation of the articular process of the scapula with planning the correct physiological axis of the upper limb.</p></abstract><trans-abstract xml:lang="ru"><p><bold>Обоснование. </bold>Эндопротезирование плечевого сустава является одним из методов лечения больных с деформирующими артрозами и дегенеративными изменениями структур плеча, обеспечивающим купирование болевого синдрома, улучшение функций верхней конечности и, соответственно, улучшение качества жизни пациента. Однако послеоперационные осложнения после реверсивного эндопротезирования плечевого сустава до сих пор встречаются довольно часто и составляют до 20% от общего числа пациентов с реверсивными несвязанными эндопротезами. В связи с этим имеется достаточно мало публикаций, описывающих тактику хирургического лечения и методов протезирования сформированной деформации гленоида у пациентов с выраженным артрозом плечевого сустава.</p> <p><bold>Описание клинического случая. </bold>В статье представлен случай хирургического лечения пациента в возрасте 70 лет<italic> </italic>с омартрозом III степени, которому было выполнено КТ-исследование, на основании данных которого был определён тип гленоида С по Walch, E3 по Favard, с нижней инклинацией около 17 градусов, ретроверсией 37 градусов, множественными кистами головки. Используя аддитивные технологии и персонифицированный инструментарий, пациенту успешно провели реверсивное эндопротезирование плечевого сустава с нивелированием деформации за счёт индивидуального аугмента.</p> <p><bold>Заключение.</bold><italic> </italic>Использование современных 3D-технологий позволяет по результатам КТ-моделирования не только проводить планирование этапов артропластики, подбирать необходимые по размеру и форме имплантаты, но и изготавливать индивидуальные аугменты при помощи 3D-печати для нивелирования деформации суставного отростка лопатки с планированием правильной физиологической оси верхней конечности.</p></trans-abstract><kwd-group xml:lang="en"><kwd>shoulder</kwd><kwd>shoulder arthrosis</kwd><kwd>glenoid</kwd><kwd>reverse arthroplasty</kwd><kwd>individual augment</kwd><kwd>clinical case</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>плечо</kwd><kwd>артроз плечевого сустава</kwd><kwd>гленоид</kwd><kwd>реверсивное эндопротезирование</kwd><kwd>индивидуальный аугмент</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>Clavert P, Millett PJ, Warner Jon JP. 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