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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">Journal of Experimental and Clinical Surgery</journal-id><journal-title-group><journal-title xml:lang="en">Journal of Experimental and Clinical Surgery</journal-title><trans-title-group xml:lang="ru"><trans-title>Вестник экспериментальной и клинической хирургии</trans-title></trans-title-group></journal-title-group><issn publication-format="print">2070-478X</issn><issn publication-format="electronic">2409-143X</issn><publisher><publisher-name xml:lang="en">Voronezh State Medical University named after N.N. Burdenko</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">1048</article-id><article-id pub-id-type="doi">10.18499/2070-478X-2017-10-3-201-206</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>Original articles</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>Оригинальные статьи</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">Bilateral Pheochromocytoma and Medullary Thyroid Cancer</article-title><trans-title-group xml:lang="ru"><trans-title>Билатеральная феохромоцитома и медуллярный рак щитовидной железы.</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Zemlyanoy</surname><given-names>Vyacheslav Petrovich</given-names></name><name xml:lang="ru"><surname>Земляной</surname><given-names>Вячеслав Петрович</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>MD, Prof., the head of the Department of faculty surgery named after I.I. Grecov, dean of the Surgical Faculty</p></bio><bio xml:lang="ru"><p>д.м.н., профессор, декан хирургического факультета, зав. кафедрой факультетской хирургии им. И. И. Грекова</p></bio><email>vyacheslav.zemlyanoy@szgmu.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-2045-0044</contrib-id><name-alternatives><name xml:lang="en"><surname>Lisitsyn</surname><given-names>Aleksandr Aleksandrovich</given-names></name><name xml:lang="ru"><surname>Лисицын</surname><given-names>Александр Александрович</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>PhD, assistant professor of the Department of faculty surgery</p></bio><bio xml:lang="ru"><p>доцент кафедры факультетской хирургии им. И.И.Грекова</p></bio><email>aleksandr.lisitsyn@szgmu.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Nakhumov</surname><given-names>Mikhail Mikhailovich</given-names></name><name xml:lang="ru"><surname>Нахумов</surname><given-names>Михаил Михайлович</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>PhD, assistant professor of the Department of faculty surgery</p></bio><bio xml:lang="ru"><p>доцент кафедры факультетской хирургии</p></bio><email>mikhail.nakhumov@szgmu.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Nesvit</surname><given-names>Evgeniya Mikhailovna</given-names></name><name xml:lang="ru"><surname>Несвит</surname><given-names>Евгения Михайловна</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>resident of the Department of faculty surgery</p></bio><bio xml:lang="ru"><p>клинический ординатор кафедры факультетской хирургии</p></bio><email>aleksandr.lisitsyn@szgmu.ru</email><xref ref-type="aff" rid="aff1"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">I.I. Mechnikov Northwest State Medical University</institution></aff><aff><institution xml:lang="ru">Северо-Западный государственный медицинский университет имени И.И. Мечникова</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2017-11-19" publication-format="electronic"><day>19</day><month>11</month><year>2017</year></pub-date><volume>10</volume><issue>3</issue><issue-title xml:lang="ru"/><fpage>201</fpage><lpage>206</lpage><history><date date-type="received" iso-8601-date="2017-07-10"><day>10</day><month>07</month><year>2017</year></date><date date-type="accepted" iso-8601-date="2017-09-23"><day>23</day><month>09</month><year>2017</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2017, Voronezh N.N. Burdenko State Medical University</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2017, ФГБОУ ВО ВГМУ им. Н.Н. Бурденко Минздрава России</copyright-statement><copyright-year>2017</copyright-year><copyright-holder xml:lang="en">Voronezh N.N. Burdenko State Medical University</copyright-holder><copyright-holder xml:lang="ru">ФГБОУ ВО ВГМУ им. Н.Н. Бурденко Минздрава России</copyright-holder><ali:free_to_read xmlns:ali="http://www.niso.org/schemas/ali/1.0/" start_date="2017-11-19"/><license><ali:license_ref xmlns:ali="http://www.niso.org/schemas/ali/1.0/">https://vestnik-surgery.com/journal/about/editorialPolicies</ali:license_ref></license></permissions><self-uri xlink:href="https://vestnik-surgery.com/journal/article/view/1048">https://vestnik-surgery.com/journal/article/view/1048</self-uri><abstract xml:lang="en"><p>Introduction: Pheochromocytoma is one of representative of neuroendocrine tumors. According this fact, pheochromocytoma remains to evaluation for multiply endocrine neoplasia, especially if disease is bilateral. In this case, it is necessary to additionally carry out a genetic screening test.</p> <p>The aim of the study is to Improve diagnosis and treatment outcomes for patients with MEN syndrome.</p> <p>Materials and methods: The authors present a clinical case of a 37-year-old man diagnosed and treated for a bilateral pheochromocytoma.</p> <p>Results: The patient was diagnosed medullary thyroid cancer after successful bilateral adrenalectomy. The patient underwent thyroidectomy. A genetic research showed the T1900 mutation in the codon of 634 RET gene, which confirmed the presence of the patient MEN 2 syndrome. According to the high concordance of the mutated gene, patient's son was carried out to genetic examinations, which confirmed the presence of this mutation. The boy underwent thyroidectomy opportunely.</p> <p>Discussion: Due to primary oncological observation if the patient has pheochromacytoma, it is necessary to exclude MAN 2 syndrome both in the patient himself and his relatives. The safest and informative method is genetic research.</p> <p>Conclusion: presently a comprehensive examination of both the patient himself and his relatives is necessary for timely diagnosis and correct management of treatment patients with MEN 2 syndrome.</p></abstract><trans-abstract xml:lang="ru"><p><bold>Актуальность</bold>: В случае диагностированной феохромоцитомы – представителя нейроэндокринных опухолей – нельзя забывать о возможности синдрома множественной эндокринной неоплазии. Особое внимание должно уделяться больным с двусторонним поражением надпочечников. В связи с этим необходимо дополнительно проводить скрининговое генетическое обследование.</p> <p><bold>Цель исследования</bold>: Улучшение диагностики и результатов лечения больных с синдромом множественной эндокринной неоплазии.</p> <p><bold>Материалы и методы</bold>: В статье представлено наблюдение клинического случая 37- летнего мужчины, проходившего обследование и лечение по поводу двусторонней феохромоцитомы.</p> <p><bold>Результаты</bold>: После успешной билатеральной адреналэктомии у пациента диагностирован медуллярный рак щитовидной железы и выполнена тиреоидэктомия. Генетическое исследование выявило наличие мутации Т1900 в кодоне 634 гена RET. В связи с этим установлен синдром МЭН 2. Учитывая высокую конкордантность мутировавшего гена среди наследников первой линии, проведено генетическое обследование сына пациента, которое подтвердило наличие данной мутации. Ребенку была выполнена своевременная тиреоидэктомия.</p> <p><bold>Обсуждение</bold>: Наличие у больного двустороннего поражения надпочечников в виде билатеральной феохромоцитомы, ввиду первичной онкологической настороженности, делает необходимым исключение синдрома МЭН 2 типа как у самого пациента, так и у его ближайших кровных родственников. Оптимально безопасным и информативным методом является генетическое исследование.</p> <p><bold>Заключение:</bold> В настоящее время для своевременной диагностики и лечения синдрома МЭН необходимо комплексное обследование, как самого больного так и его родственников.</p> <p> </p></trans-abstract><kwd-group xml:lang="en"><kwd>pheochromocytoma, bilateral pheochromocytoma, bilateral adrenalectomy, MEN 2, medullary thyroid cancer.</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>феохромоцитома</kwd><kwd>билатеральная феохромоцитома</kwd><kwd>билатеральная адреналэктомия</kwd><kwd>МЭН 2</kwd><kwd>медуллярный рак щитовидной железы.</kwd></kwd-group><funding-group/></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>1.	Barzon L., Scaroni C., Sonino N., Fallo F., Gregianin M., Macrì C., Boscaro M. Incidentally discovered adrenal tumors: endocrine and scintigraphic correlates. J. Clin. Endocrinol. 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