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<article article-type="research-article" dtd-version="1.3" 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" xml:lang="ru"><front><journal-meta><journal-id journal-id-type="publisher-id">pmj</journal-id><journal-title-group><journal-title xml:lang="ru">Тихоокеанский медицинский журнал</journal-title><trans-title-group xml:lang="en"><trans-title>Pacific Medical Journal</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1609-1175</issn><publisher><publisher-name>TGMU</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.34215/1609-1175-2024-2-65-69</article-id><article-id custom-type="elpub" pub-id-type="custom">pmj-2733</article-id><article-categories><subj-group subj-group-type="heading"><subject>Research Article</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="ru"><subject>НАБЛЮДЕНИЯ ИЗ ПРАКТИКИ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>PRACTICE OBSERVATIONS</subject></subj-group></article-categories><title-group><article-title>Клинический случай питуицитомы – гормонально-неактивной макроаденомы гипофиза с компрессией хиазмы</article-title><trans-title-group xml:lang="en"><trans-title>Pituicytoma: A clinical case of hormonally inactive pituitary macroadenoma with chiasma compression</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Дзеранова</surname><given-names>Л. К.</given-names></name><name name-style="western" xml:lang="en"><surname>Dzeranova</surname><given-names>L. K.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Москва </p></bio><bio xml:lang="en"><p>Moscow</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Скрундик</surname><given-names>Н. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Skrundik</surname><given-names>N. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Москва </p></bio><bio xml:lang="en"><p>Moscow</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Лапшина</surname><given-names>А. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Lapshina</surname><given-names>A. M.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Москва </p></bio><bio xml:lang="en"><p>Moscow</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Пигарова</surname><given-names>Е. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Pigarova</surname><given-names>E. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Москва </p></bio><bio xml:lang="en"><p>Moscow</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Кузьмин</surname><given-names>А. Г.</given-names></name><name name-style="western" xml:lang="en"><surname>Kuzmin</surname><given-names>A. G.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Москва </p></bio><bio xml:lang="en"><p>Moscow</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-7470-1676</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Воротникова</surname><given-names>С. Ю.</given-names></name><name name-style="western" xml:lang="en"><surname>Vorotnikova</surname><given-names>S. Yu.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Воротникова Светлана Юрьевна – к.м.н., доцент кафедры эндокринологии Института высшего и дополнительного профессионального образования </p><p>117292, г. Москва, ул. Дмитрия Ульянова, д. 11</p><p>+7 (926) 840-22-44</p></bio><bio xml:lang="en"><p>Svetlana Y. Vorotnikova, Cand. Sci. (Med.), Associate Professor Department of Endocrinology, Institute of Education</p><p>11 Dmitriya Ul’yanova st., Moscow, 117292</p><p>+7 (926) 840-22-44</p></bio><email xlink:type="simple">bra_svetix@list.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Азизян</surname><given-names>В. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Azizyan</surname><given-names>V. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Москва </p></bio><bio xml:lang="en"><p>Moscow</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Шутова</surname><given-names>А. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Shutova</surname><given-names>A. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Москва </p></bio><bio xml:lang="en"><p>Moscow</p></bio><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>НМИЦ эндокринологии Минздрава России</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Endocrinology Research Centre</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2024</year></pub-date><pub-date pub-type="epub"><day>02</day><month>08</month><year>2024</year></pub-date><volume>0</volume><issue>2</issue><fpage>65</fpage><lpage>69</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Дзеранова Л.К., Скрундик Н.С., Лапшина А.М., Пигарова Е.А., Кузьмин А.Г., Воротникова С.Ю., Азизян В.Н., Шутова А.С., 2024</copyright-statement><copyright-year>2024</copyright-year><copyright-holder xml:lang="ru">Дзеранова Л.К., Скрундик Н.С., Лапшина А.М., Пигарова Е.А., Кузьмин А.Г., Воротникова С.Ю., Азизян В.Н., Шутова А.С.</copyright-holder><copyright-holder xml:lang="en">Dzeranova L.K., Skrundik N.S., Lapshina A.M., Pigarova E.A., Kuzmin A.G., Vorotnikova S.Y., Azizyan V.N., Shutova A.S.</copyright-holder><license xml:lang="ru" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>Данная работа распространяется под лицензией Creative Commons Attribution 4.0.</license-p></license><license xml:lang="en" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>This work is licensed under a Creative Commons Attribution 4.0 License.</license-p></license></permissions><self-uri xlink:href="https://www.tmj-vgmu.ru/jour/article/view/2733">https://www.tmj-vgmu.ru/jour/article/view/2733</self-uri><abstract><p>Представлено описание пациента с гормонально-неактивной опухолью задней доли гипофиза. Клиническая симптоматика вызвана масс-эффектом (компрессия хиазмы и гипопитуитаризм), проведена трансназальная транссфеноидальная аденомэктомия. Морфологическое исследование выявило солидное новообразование из крупных клеток с широкой оксифильной зернистой цитоплазмой, вероятно, происходящее из клеток аденогипофиза. При иммуногистохимическом исследовании установлена питуицитома – зернистоклеточная опухоль задней доли гипофиза. Указывается значимость дифференциальной диагностики питуицитомы с учетом клинико-гормональных проявлений и данных патоморфологического анализа.</p></abstract><trans-abstract xml:lang="en"><p>In the article, a clinical case of a hormonally inactive tumor of the posterior pituitary is described. The clinical symptoms were caused by mass effect (chiasma compression and hypopituitarism). Transnasal transsphenoidal adenomectomy was performed on the patient. Subsequent morphologic examination revealed a solid neoplasm of large cells with broad oxyphilic granular cytoplasm, presumably originating from adenohypophysis cells. By immunohistochemical examination, pituicytoma, a granular cell tumor of the posterior pituitary, was diagnosed. Hence, the significance of differential diagnostics of pituicytoma is indicated, including clinical and hormonal manifestations, as well as pathomorphologic analysis data.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>питуицитома</kwd><kwd>масс-эффект</kwd><kwd>аденомэктомия</kwd><kwd>иммуногистохимия</kwd></kwd-group><kwd-group xml:lang="en"><kwd>pitucytoma</kwd><kwd>mass effect</kwd><kwd>adenomectomy</kwd><kwd>immunohistochemistry</kwd></kwd-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Louis DN, Ohgaki H, Wiestler OD, Cavenee WK, Burger PC, Jouvet A, Scheithauer BW, Kleihues. 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