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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">313</article-id><article-id pub-id-type="doi">10.17650/2222-1468-2017-7-4-846</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">Aggressive forms of pituitary adenomas (literature review and clinical observation)</article-title><trans-title-group xml:lang="ru"><trans-title>Агрессивные аденомы гипофиза (обзор литературы и клиническое наблюдение)</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Kalinin</surname><given-names>P. L.</given-names></name><name xml:lang="ru"><surname>Калинин</surname><given-names>П. Л.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>16 4th Tverskaya-Yamskaya St., Moscow 125047, Russia</p></bio><bio xml:lang="ru"><p>Россия, 125047 Москва, ул. 4-я Тверская-Ямская, 16</p></bio><xref ref-type="aff" rid="aff1"/><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Trunin</surname><given-names>Yu. Yu.</given-names></name><name xml:lang="ru"><surname>Трунин</surname><given-names>Ю. Ю.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>16 4th Tverskaya-Yamskaya St., Moscow 125047, Russia</p></bio><bio xml:lang="ru"><p>Россия, 125047 Москва, ул. 4-я Тверская-Ямская, 16</p></bio><xref ref-type="aff" rid="aff1"/><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Fomichev</surname><given-names>D. V.</given-names></name><name xml:lang="ru"><surname>Фомичев</surname><given-names>Д. В.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>16 4th Tverskaya-Yamskaya St., Moscow 125047, Russia</p></bio><bio xml:lang="ru"><p>Россия, 125047 Москва, ул. 4-я Тверская-Ямская, 16</p></bio><xref ref-type="aff" rid="aff1"/><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Chernov</surname><given-names>I. V.</given-names></name><name xml:lang="ru"><surname>Чернов</surname><given-names>И. В.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>16 4th Tverskaya-Yamskaya St., Moscow 125047, Russia</p></bio><bio xml:lang="ru"><p>Россия, 125047 Москва, ул. 4-я Тверская-Ямская, 16</p></bio><xref ref-type="aff" rid="aff1"/><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Ryzhova</surname><given-names>M. V.</given-names></name><name xml:lang="ru"><surname>Рыжова</surname><given-names>М. В.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>16 4th Tverskaya-Yamskaya St., Moscow 125047, Russia</p></bio><bio xml:lang="ru"><p>Россия, 125047 Москва, ул. 4-я Тверская-Ямская, 16</p></bio><xref ref-type="aff" rid="aff1"/><xref ref-type="aff" rid="aff2"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">N. N. Burdenko National Medical Research Center for Neurosurgery, Ministry of Health of Russia</institution></aff><aff><institution xml:lang="ru">ФГАУ «Национальный медицинский исследовательский центр нейрохирургии им. акад. Н. Н. Бурденко» Минздрава России</institution></aff></aff-alternatives><aff id="aff2"><institution></institution></aff><pub-date date-type="pub" iso-8601-date="2017-12-26" publication-format="electronic"><day>26</day><month>12</month><year>2017</year></pub-date><volume>7</volume><issue>4</issue><issue-title xml:lang="en"/><issue-title xml:lang="ru"/><fpage>74</fpage><lpage>80</lpage><history><date date-type="received" iso-8601-date="2018-01-26"><day>26</day><month>01</month><year>2018</year></date><date date-type="accepted" iso-8601-date="2018-01-26"><day>26</day><month>01</month><year>2018</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2017, Kalinin P.L., Trunin Y.Y., Fomichev D.V., Chernov I.V., Ryzhova M.V.</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2017, Калинин П.Л., Трунин Ю.Ю., Фомичев Д.В., Чернов И.В., Рыжова М.В.</copyright-statement><copyright-year>2017</copyright-year><copyright-holder xml:lang="en">Kalinin P.L., Trunin Y.Y., Fomichev D.V., Chernov I.V., Ryzhova M.V.</copyright-holder><copyright-holder xml:lang="ru">Калинин П.Л., Трунин Ю.Ю., Фомичев Д.В., Чернов И.В., Рыжова М.В.</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/313">https://ogsh.abvpress.ru/jour/article/view/313</self-uri><abstract xml:lang="en"><p>Introduction. Pituitary adenomas comprise 10–15 % of all intracranial tumors. Despite being benign tumors, 25–55 % of them exhibit invasive growth spreading into surrounding structures (sphenoid sinus, cavernous sinus, etc.). In literature, there isn’t a generally accepted definition of aggressive pituitary adenomas. As a result, there aren’t any studies reporting on the therapy of choice for this disease, except for several reports on using temozolomide as a “salvage” therapy in patients who didn’t respond to standard treatment methods.We present a clinical observation of a patient with “refractory” pituitary adenoma who successfully underwent 4 surgical interventions and 2 courses of high-dose stereotactic radiotherapy.Results. Application of stereotactic radiotherapy at high (59.4 Gy) dose, which is usually used for treatment of patients with malignant tumors, allowed to achieve long recurrence-free period of 5.5 years (65 months). Observation has shown that repeated courses of stereotactic irradiation can be sufficiently effective and safe in patients with large and gigantic tumors including “refractory” pituitary adenoma.Conclusion. Further studies are necessary for specification of parameters of “refractory” adenomas and their detection at the early stages of diagnosis. Confirmed diagnosis requires more aggressive surgical, radiological, and drug treatment.</p></abstract><trans-abstract xml:lang="ru"><p>Введение. Аденомы гипофиза составляют 10–15 % от общего числа внутричерепных новообразований. Несмотря на то что они являются доброкачественными опухолями, 25–55 % от их числа обладают инвазивным характером роста, проникая в окружающие структуры (пазуха основной кости, кавернозный синус и др.). В литературе отсутствует общепринятое определение агрессивных аденом гипофиза, вследствие чего нет исследований, сообщающих о терапии выбора для этого заболевания, за исключением нескольких публикаций об использовании темозоломида в качестве «спасительного» лечения у пациентов, не ответивших на стандартные методы.Представлен клинический случай «рефрактерной» аденомы гипофиза у пациента, который успешно перенес 4 оперативных вмешательства и 2 курса стереотаксической лучевой терапии в высокой дозе.Результаты. Применение стереотаксического лучевого лечения в высокой (59,4 Гр) дозе, которая обычно используется для лечения больных со злокачественными опухолями, позволило добиться длительного безрецидивного периода в 5,5 года (65 мес). Наблюдение показало, что повторные курсы стереотаксического облучения могут быть достаточно эффективными и безопасными у пациентов с большими и гигантскими опухолями, в том числе с «рефрактерной» аденомой гипофиза.Заключение. Для уточнения параметров «рефрактерных» аденом с возможностью их распознавания на ранних этапах диагностики необходимо проведение дальнейших исследований. При подтверждении диагноза следует применять более агрессивное хирургическое, лучевое и медикаментозное лечение.</p></trans-abstract><kwd-group xml:lang="en"><kwd>aggressive pituitary adenomas</kwd><kwd>radiotherapy of aggressive pituitary adenomas</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>агрессивные аденомы гипофиза</kwd><kwd>лучевая терапия агрессивных аденом гипофиза</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">1. Asa S. L., Ezzat S. The cytogenesis and pathogenesis of pituitary adenomas [review]. Endocr Rev 1998;19(6):798–827. DOI:10.1210/edrv. 19.6.0350.</mixed-citation><mixed-citation xml:lang="ru">Asa S. L., Ezzat S. The cytogenesis and pathogenesis of pituitary adenomas [review]. 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