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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">Head and Neck Tumors</journal-id><journal-title-group><journal-title xml:lang="en">Head and Neck Tumors</journal-title><trans-title-group xml:lang="ru"><trans-title>Опухоли головы и шеи</trans-title></trans-title-group></journal-title-group><issn publication-format="print">2222-1468</issn><issn publication-format="electronic">2411-4634</issn><publisher><publisher-name xml:lang="en">Publishing House ABV Press</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">1110</article-id><article-id pub-id-type="doi">10.17650/2222-1468-2025-15-3-115-123</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>CLINICAL CASE</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>КЛИНИЧЕСКИЙ СЛУЧАЙ</subject></subj-group><subj-group subj-group-type="article-type"><subject></subject></subj-group></article-categories><title-group><article-title xml:lang="en">Successful targeted therapy in treatment of non-resectable refractory squamous cell cancer of nasal cavity with mutation in PTCH1 gene</article-title><trans-title-group xml:lang="ru"><trans-title>Возможности персонализированной медицины в лечении местно-распространенного нерезектабельного рефрактерного плоскоклеточного рака полости носа с редкой драйверной мутацией</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-0918-3857</contrib-id><name-alternatives><name xml:lang="en"><surname>Mudunov</surname><given-names>A. M.</given-names></name><name xml:lang="ru"><surname>Мудунов</surname><given-names>А. М.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>111 1st Uspenskoe Shosse, Lapino, Moscow  Region 143081</p><p>Bld. 2, 8 Trubetskaya St., Moscow 119991</p></bio><bio xml:lang="ru"><p>143081 Московская обл., д. Лапино, 1-е Успенское шоссе, 111</p><p>119991 Москва, ул. Трубецкая, 8, стр. 2</p></bio><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/0000-0001-9372-3328</contrib-id><name-alternatives><name xml:lang="en"><surname>Khabazova</surname><given-names>A. M.</given-names></name><name xml:lang="ru"><surname>Хабазова</surname><given-names>А. М.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>66 Sevastopolsky Prospekt, 116152 Moscow</p></bio><bio xml:lang="ru"><p>116152 Москва, Севастопольский пр-кт, 66</p></bio><xref ref-type="aff" rid="aff3"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-4546-0011</contrib-id><name-alternatives><name xml:lang="en"><surname>Pak</surname><given-names>M. B.</given-names></name><name xml:lang="ru"><surname>Пак</surname><given-names>М. Б.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>Maxim Bokmanovich Pak </p><p>66 Sevastopolsky Prospekt, 116152 Moscow</p></bio><bio xml:lang="ru"><p>Максим Бокманович Пак </p><p>116152 Москва, Севастопольский пр-кт, 66</p></bio><email>mbpak@yandex.ru</email><xref ref-type="aff" rid="aff3"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-8727-6111</contrib-id><name-alternatives><name xml:lang="en"><surname>Berelavichus</surname><given-names>S. V.</given-names></name><name xml:lang="ru"><surname>Берелавичус</surname><given-names>С. В.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>66 Sevastopolsky Prospekt, 116152 Moscow</p></bio><bio xml:lang="ru"><p>116152 Москва, Севастопольский пр-кт, 66</p></bio><xref ref-type="aff" rid="aff3"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-7690-731X</contrib-id><name-alternatives><name xml:lang="en"><surname>Chen</surname><given-names>H.</given-names></name><name xml:lang="ru"><surname>Чэнь</surname><given-names>Х.</given-names></name></name-alternatives><address><country country="CN">China</country></address><bio xml:lang="en"><p>8 South Gongren Gymnasium Road, Chaoyang District, Beijing 100006</p></bio><bio xml:lang="ru"><p>100006 Пекин, район Чаоян, South Gongren Gymnasium Road, 8</p></bio><xref ref-type="aff" rid="aff4"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Clinical Hospital “Lapino” of the “Mother and Child” Group of companies</institution></aff><aff><institution xml:lang="ru">Клинический госпиталь «Лапино» группы компаний «Мать и дитя»</institution></aff></aff-alternatives><aff-alternatives id="aff2"><aff><institution xml:lang="en">Sechenov University, Ministry of Health of Russia</institution></aff><aff><institution xml:lang="ru">ФГАОУ ВО Первый Московский государственный медицинский университет им. И. М. Сеченова Минздрава России (Сеченовский Университет)</institution></aff></aff-alternatives><aff-alternatives id="aff3"><aff><institution xml:lang="en">Specialized Medical Center of the Bank of Russia</institution></aff><aff><institution xml:lang="ru">Многопрофильный медицинский центр Банка России</institution></aff></aff-alternatives><aff-alternatives id="aff4"><aff><institution xml:lang="en">Beijing Chao-Yang hospital, Capital Medical University</institution></aff><aff><institution xml:lang="ru">Пекинская больница Чао-Ян, Столичный медицинский университет</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2025-11-03" publication-format="electronic"><day>03</day><month>11</month><year>2025</year></pub-date><volume>15</volume><issue>3</issue><issue-title xml:lang="en"/><issue-title xml:lang="ru"/><fpage>115</fpage><lpage>123</lpage><history><date date-type="received" iso-8601-date="2025-11-03"><day>03</day><month>11</month><year>2025</year></date><date date-type="accepted" iso-8601-date="2025-11-03"><day>03</day><month>11</month><year>2025</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2025, Mudunov A.M., Khabazova A.M., Pak M.B., Berelavichus S.V., Chen H.</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2025, Мудунов А.М., Хабазова А.М., Пак М.Б., Берелавичус С.В., Чэнь Х.</copyright-statement><copyright-year>2025</copyright-year><copyright-holder xml:lang="en">Mudunov A.M., Khabazova A.M., Pak M.B., Berelavichus S.V., Chen H.</copyright-holder><copyright-holder xml:lang="ru">Мудунов А.М., Хабазова А.М., Пак М.Б., Берелавичус С.В., Чэнь Х.</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://ogsh.abvpress.ru/jour/article/view/1110">https://ogsh.abvpress.ru/jour/article/view/1110</self-uri><abstract xml:lang="en"><p>Cancer of the nasal mucosa is a malignant tumor originating from the mucous epithelium of the nasal cavity or paranasal sinuses. Nasal and paranasal sinus cancer accounts for 1.4 % of all malignancies and 3–5 % of head and neck tumors. males are twice as likely to be affected as females, particularly those aged 55 years and older (nearly 80 % of cases). The five-year survival rate is 8 2 % in patients with stage I disease and 43 % in patients with stage Iv disease. Despite the advances in the diagnosis of nasal cancer, over 80 % of new patients are diagnosed with stage III–Iv disease because of nonspecific symptoms in early (I and II) stages. Traditional treatment methods (including surgery, radiation therapy and chemotherapy) often allow us to achieve complete recovery in patients with this disorder. However, in most patients with locally advanced cancer, this approach has a limited effectiveness and is often associated with severe side effects. Considering frequent progression of nasal squamous cell carcinomas on standard regimens, it is necessary to search for new treatment targets to improve outcomes. Extensive molecular testing using multigenic panels based on next-generation sequencing can be helpful in this case. The most common mutations in nasal cancers occur in five genes: <italic>TP53</italic> (up to 80 % of cases), <italic>EGFR </italic>(up to 77 % of cases), <italic>IDH2</italic> (approximately 55 % of cases), <italic>PIK3CA</italic> (14 % of cases), and <italic>CDKN2A</italic> (9 % of cases). we report a case of successful treatment of a patient with locally advanced, non-resectable, drug-resistant nasal squamous cell carcinoma with a rare driver mutation.</p></abstract><trans-abstract xml:lang="ru"><p>Рак слизистой оболочки полости носа – злокачественное новообразование, развивающееся из слизистого эпителия полости носа или придаточных пазух. злокачественные новообразования полости носа и придаточных пазух составляют 1,4 % всех злокачественных опухолей и 3–5 % опухолей головы и шеи. Данная патология<italic> </italic>встречается у мужчин в 2 раза чаще, чем у женщин, и в основном у пациентов старше 55 лет (около 80 % случаев). пятилетняя общая выживаемость при заболевании I стадии составляет 82 %, при Iv – 43 %. Несмотря на совершенствование диагностики рака слизистой оболочки полости носа по-прежнему более чем у 80 % больных его выявляют на III– Iv стадии, что связано с неспецифическими симптомами заболевания на ранних (I и II) стадиях. Традиционные методы лечения (хирургическое вмешательство, лучевая терапия и химиотерапия) нередко позволяют добиться полного излечения пациентов с данной патологией. Однако в большинстве случаев при местно-распространенном опухолевом процессе подобный подход обладает ограниченными возможностями и часто сопряжен со значительными побочными эффектами. с учетом прогрессирования плоскоклеточного рака слизистой оболочки полости носа при использовании стандартных схем противоопухолевой терапии необходим поиск новых мишеней для последующей высокоэффективной таргетной терапии. В этом может помочь расширенное молекулярно-генетическое исследование с применением мультигенных панелей на основе секвенирования нового поколения. при раке слизистой оболочки полости носа чаще всего встречаются мутации в 5 генах: <italic>TP53 </italic>(до 80 % случаев), <italic>EGFR</italic> (до 77 % случаев), <italic>IDH2</italic> (около 55 % случаев), <italic>PIK3CA</italic> (14 % случаев) и <italic>CDKN2A </italic>(9 % случаев).</p><p>В статье представлен клинический случай успешного лечения местно-распространенного нерезектабельного, рефрактерного к терапии плоскоклеточного рака слизистой оболочки полости носа с редкой драйверной мутацией.</p></trans-abstract><kwd-group xml:lang="en"><kwd>nasal cancer</kwd><kwd>comprehensive genomic profiling</kwd><kwd>extensive molecular t argeted therapy</kwd><kwd>immunotherapy</kwd><kwd>anti-pD-1 checkpoint inhibitors</kwd><kwd>mutation in the PTCH1 gene</kwd><kwd>Hedgehog signaling pathway</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>рак слизистой оболочки полости носа</kwd><kwd>комплексное геномное профилирование</kwd><kwd>расширенное молекулярно-генетическое исследование</kwd><kwd>молекулярная диагностика рака слизистой оболочки полости носа</kwd><kwd>таргетная терапия</kwd><kwd>иммунотерапия</kwd><kwd>анти-pD-1-ингибиторы контрольных точек</kwd><kwd>мутация в гене PTCH1</kwd><kwd>сигнальный путь Hedgehog</kwd></kwd-group><funding-group/></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><citation-alternatives><mixed-citation xml:lang="en">Malignant neoplasms in Russia in 2023 (morbidity and mortality). 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