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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">problendo</journal-id><journal-title-group><journal-title xml:lang="ru">Проблемы Эндокринологии</journal-title><trans-title-group xml:lang="en"><trans-title>Problems of Endocrinology</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">0375-9660</issn><issn pub-type="epub">2308-1430</issn><publisher><publisher-name>Endocrinology Research Centre</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.14341/probl13639</article-id><article-id custom-type="elpub" pub-id-type="custom">problendo-13639</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>Клиническая эндокринология</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>Clinical endocrinology</subject></subj-group></article-categories><title-group><article-title>Особенности бессимптомной феохромоцитомы/параганглиомы по данным клинико-лабораторного обследования и компьютерной томографии</article-title><trans-title-group xml:lang="en"><trans-title>Features of Asymptomatic Pheochromocytoma/Paraganglioma Based on Clinical-Laboratory Examination and Computed Tomography</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-7840-4174</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Реброва</surname><given-names>Д. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Rebrova</surname><given-names>D. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Реброва Дина Владимировна, к.м.н. </p><p>190103, Санкт-Петербург, набережная реки Фонтанки, д. 154</p></bio><bio xml:lang="en"><p>Dina V. Rebrova, MD, PhD</p><p>154 Fontanka river embankment, 190103, Saint Petersburg</p></bio><email xlink:type="simple">endocrinology@list.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-8734-2449</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Фогт</surname><given-names>С. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Fogt</surname><given-names>S. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Фогт Сергей Николаевич, к.м.н.</p><p>Санкт-Петербург</p></bio><bio xml:lang="en"><p>Sergei N. Fogt, MD, PhD</p><p>Saint Petersburg</p></bio><email xlink:type="simple">s_fogt@mail.ru</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-3001-664X</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Черников</surname><given-names>Р. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Chernikov</surname><given-names>R. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Черников Роман Анатольевич, д.м.н.</p><p>Санкт-Петербург</p></bio><bio xml:lang="en"><p>Roman A. Chernikov, MD, PhD</p><p>Saint Petersburg</p></bio><email xlink:type="simple">yaddd@yandex.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-1903-5081</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Слепцов</surname><given-names>И. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Sleptsov</surname><given-names>I. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Слепцов Илья Валерьевич, д.м.н. </p><p>Санкт-Петербург</p></bio><bio xml:lang="en"><p>Ilya V. Sleptsov, MD, PhD</p><p>Saint Petersburg</p></bio><email xlink:type="simple">newsurgery@yandex.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-1294-811X</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Федоров</surname><given-names>Е. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Fedorov</surname><given-names>E. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Федоров Елисей Александрович, к.м.н. </p><p>Санкт-Петербург</p></bio><bio xml:lang="en"><p>Elisey A. Fedorov, MD, PhD</p><p>Saint Petersburg</p></bio><email xlink:type="simple">elick@yandex.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-6986-1034</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Чинчук</surname><given-names>И. К.</given-names></name><name name-style="western" xml:lang="en"><surname>Chinchuk</surname><given-names>I. K.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Чинчук Игорь Константинович, к.м.н.</p><p>Санкт-Петербург</p></bio><bio xml:lang="en"><p>Igor K. Chinchuk, MD, PhD</p><p>Saint Petersburg</p></bio><email xlink:type="simple">dr.chinchuk@bk.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-3876-6306</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Шихмагомедов</surname><given-names>Ш. Ш.</given-names></name><name name-style="western" xml:lang="en"><surname>Shikhmagomedov</surname><given-names>Sh. Sh.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Шихмагомедов Шамиль Шамсутдинович</p><p>Санкт-Петербург</p></bio><bio xml:lang="en"><p>Shamil S. Shikhmagomedov, MD</p><p>Saint Petersburg</p></bio><email xlink:type="simple">shihmagomedov@yandex.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-9574-105X</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Ворохобина</surname><given-names>Н. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Vorokhobina</surname><given-names>N. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Ворохобина Наталья Владимировна, д.м.н., профессор</p><p>Санкт-Петербург</p></bio><bio xml:lang="en"><p>Natalya V. Vorokhobina, MD, PhD, Prof.</p><p>Saint Petersburg</p></bio><email xlink:type="simple">natvorokh@mail.ru</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-3500-2826</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Згода</surname><given-names>Е. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Zgoda</surname><given-names>E. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Згода Екатерина Александровна</p><p>Санкт-Петербург</p></bio><bio xml:lang="en"><p>Ekaterina A. Zgoda, MD</p><p>Saint Petersburg</p></bio><email xlink:type="simple">kateryna.zgoda@gmail.com</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-6760-0025</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Семенов</surname><given-names>А. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Semenov</surname><given-names>A. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Семенов Арсений Андреевич, к.м.н.</p><p>Санкт-Петербург</p></bio><bio xml:lang="en"><p>Arseny A. Semenov, MD, PhD</p><p>Saint Petersburg</p></bio><email xlink:type="simple">arseny@thyro.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-6807-778X</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Русаков</surname><given-names>В. Ф.</given-names></name><name name-style="western" xml:lang="en"><surname>Rusakov</surname><given-names>V. F.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Русаков Владимир Федорович, к.м.н. </p><p>Санкт-Петербург</p></bio><bio xml:lang="en"><p>Vladimir F. Rusakov, MD, PhD</p><p>Saint Petersburg</p></bio><email xlink:type="simple">rusvf@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-4449-0251</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Краснов</surname><given-names>Л. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Krasnov</surname><given-names>L. M.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Краснов Леонид Михайлович, д.м.н. </p><p>AuthorID: 355848</p><p>Санкт-Петербург</p></bio><bio xml:lang="en"><p>Leonid M. Krasnov, MD, PhD</p><p>Saint Petersburg</p></bio><email xlink:type="simple">krasnov.surg@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Санкт-Петербургский государственный университет, Клиника высоких медицинских технологий им. Н.И. Пирогова</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Saint Petersburg State University, Saint Petersburg State University Hospital</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Северо-Западный государственный медицинский университет им. И.И. Мечникова</institution><country>Россия</country></aff><aff xml:lang="en"><institution>North-Western State Medical University named after I.I. Mechnikov</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2026</year></pub-date><pub-date pub-type="epub"><day>08</day><month>09</month><year>2026</year></pub-date><volume>72</volume><issue>4</issue><fpage>18</fpage><lpage>27</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Реброва Д.В., Фогт С.Н., Черников Р.А., Слепцов И.В., Федоров Е.А., Чинчук И.К., Шихмагомедов Ш.Ш., Ворохобина Н.В., Згода Е.А., Семенов А.А., Русаков В.Ф., Краснов Л.М., 2026</copyright-statement><copyright-year>2026</copyright-year><copyright-holder xml:lang="ru">Реброва Д.В., Фогт С.Н., Черников Р.А., Слепцов И.В., Федоров Е.А., Чинчук И.К., Шихмагомедов Ш.Ш., Ворохобина Н.В., Згода Е.А., Семенов А.А., Русаков В.Ф., Краснов Л.М.</copyright-holder><copyright-holder xml:lang="en">Rebrova D.V., Fogt S.N., Chernikov R.A., Sleptsov I.V., Fedorov E.A., Chinchuk I.K., Shikhmagomedov S.S., Vorokhobina N.V., Zgoda E.A., Semenov A.A., Rusakov V.F., Krasnov L.M.</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.probl-endojournals.ru/jour/article/view/13639">https://www.probl-endojournals.ru/jour/article/view/13639</self-uri><abstract><sec><title>ОБОСНОВАНИЕ</title><p>ОБОСНОВАНИЕ. Несмотря на то, что в классическом варианте феохромоцитомы и параганглиомы (ФХЦ/ПГ) характеризуются яркими клиническими признаками, существует категория пациентов, у которых это заболевание протекает бессимптомно. Несмотря на это, и при отсутствии клинических проявлений у больных с ФХЦ/ПГ сохраняется риск развития жизнеугрожающего гипертонического криза и других сердечно-сосудистых осложнений. Клинико-лабораторные и лучевые характеристики бессимптомной формы заболевания изучены недостаточно и представляют собой большой научный и практический интерес.</p></sec><sec><title>ЦЕЛЬ</title><p>ЦЕЛЬ. Проанализировать клинико-лабораторные и лучевые характеристики бессимптомных ФХЦ/ПГ в сравнении с симптоматическими.</p></sec><sec><title>МАТЕРИАЛЫ И МЕТОДЫ</title><p>МАТЕРИАЛЫ И МЕТОДЫ. В анализ включено 347 пациентов, прооперированных в Клинике высоких медицинских технологий им. Н.И. Пирогова Санкт-Петербургского государственного университета, с гистологически подтвержденной ФХЦ/ПГ. Ретроспективно проанализированы данные по демографическим характеристикам, анамнезу основного и сопутствующих заболеваний, проведена оценка результатов лабораторных исследований, а также компьютерной томографии с контрастированием.</p></sec><sec><title>РЕЗУЛЬТАТЫ</title><p>РЕЗУЛЬТАТЫ. Выборка пациентов с ФХЦ/ПГ включала 45 случаев без характерных клинических признаков гиперсекреции катехоламинов. В подгруппе бессимптомных больных в сравнении с остальными обнаружен более молодой возраст (43 [33; 51] против 48 [37; 57] лет), меньший максимальный размер опухоли (34 [27; 53] против 45 [34; 60] мм), более низкое соотношение метанефрин/норметанефрин (0,29 [0,10; 0,79] против 0,51 [0,09; 1,23]).</p><p>По данным компьютерной томографии в группе бессимптомной ФХЦ/ПГ пациенты имели несколько более высокие показатели рентгенологической плотности опухоли в артериальную, венозную и отсроченную фазы в сравнении с больными с симптоматическим заболеванием, однако абсолютный и относительный проценты вымывания контраста не различались.</p></sec><sec><title>ЗАКЛЮЧЕНИЕ</title><p>ЗАКЛЮЧЕНИЕ. Более молодой возраст и меньший максимальный размер опухоли у пациентов с бессимптомными ФХЦ/ПГ в сравнении с симптоматическими свидетельствуют о том, что первый тип опухолей выявляется на более ранней стадии по сравнению со вторыми.</p><p>Более низкое усредненное соотношение метанефрин/норметанефрин может указывать на большую распространенность норадреналинергического типа секреции катехоламинов при бессимптомной форме ФХЦ/ПГ.</p><p>Выраженных различий по данным визуализирующих методов диагностики между бессимптомными и симптоматическими опухолями, не обнаружено.</p></sec></abstract><trans-abstract xml:lang="en"><sec><title>BACKGROUND</title><p>BACKGROUND: Although pheochromocytomas and paragangliomas (PPGLs) classically present with distinct clinical signs, there is a category of patients with asymptomatic disease course. Despite the absence of clinical manifestations, these patients retain the risk of life-threatening hypertensive crisis and other cardiovascular complications. The clinical, laboratory, and imaging characteristics of asymptomatic PPGLs remain insufficiently studied and are of significant scientific and practical interest.</p></sec><sec><title>AIM</title><p>AIM: To analyze the clinical, laboratory, and imaging characteristics of asymptomatic PPGLs compared to symptomatic ones.</p></sec><sec><title>MATERIALS AND METHODS</title><p>MATERIALS AND METHODS: The analysis included 347 patients with histologically confirmed PPGL who underwent surgery at the Saint Petersburg State University Hospital. Retrospective analysis encompassed demographic data, medical history (primary and comorbid conditions), laboratory findings, and computed tomography (CT) data. RESULTS: The PPGLs patient cohort included 45 cases without clinical signs of catecholamine hypersecretion. The asymptomatic subgroup, compared to symptomatic patients, exhibited younger age (43 [33; 51] vs. 48 [37; 57] years); smaller maximum tumor size (34 [27; 53] vs. 45 [34; 60] mm); lower metanephrine/normetanephrine ratio (0.29 [0.10; 0.79] vs. 0.51 [0.09; 1.23]).</p><p>CT imaging revealed slightly higher radiodensity values in asymptomatic PPGLs during arterial, venous, and delayed phases compared to symptomatic tumors. However, absolute and relative washout percentages did not differ significantly.</p></sec><sec><title>CONCLUSION</title><p>CONCLUSION: The younger age and smaller tumor size in asymptomatic PPGL patients suggest earlier detection of the disease compared to symptomatic cases. The lower metanephrine/normetanephrine ratio may indicate a higher prevalence of the norepinephrine-secreting phenotype in asymptomatic PPGLs. No pronounced differences were found in imaging characteristics between asymptomatic and symptomatic tumors.</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>феохромоцитома</kwd><kwd>параганглиома</kwd><kwd>компьютерная томография</kwd><kwd>инциденталома надпочечника</kwd><kwd>адреналэктомия</kwd></kwd-group><kwd-group xml:lang="en"><kwd>pheochromocytoma</kwd><kwd>paraganglioma</kwd><kwd>tomography</kwd><kwd>X-ray computed</kwd><kwd>adrenal incidentaloma</kwd><kwd>adrenalectomy</kwd></kwd-group></article-meta></front><back><ref-list><ref id="cit1"><mixed-citation publication-type="commun" publication-format="web"><name><surname>Lenders</surname> <given-names>JWM</given-names></name>, <name><surname>Duh</surname> <given-names>QY</given-names></name>, <name><surname>Eisenhofer</surname> <given-names>G</given-names></name>, <name><surname>Gimenez-Roqueplo</surname> <given-names>AP</given-names></name>, <name><surname>Grebe</surname> <given-names>SKG</given-names></name>, <name><surname>Murad</surname> <given-names>MH</given-names></name>, et al. <article-title>Pheochromocytoma and paraganglioma: an endocrine society clinical practice guideline</article-title>. <source>J Clin Endocrinol Metab</source>. <year>2014</year> <month>Jun</month>;<issue>99(6)</issue>:<fpage>1915</fpage>–<lpage>42</lpage>.</mixed-citation></ref><ref id="cit2"><mixed-citation publication-type="commun" publication-format="web"><name><surname>Mannelli</surname> <given-names>M</given-names></name>, <name><surname>Lenders</surname> <given-names>JWM</given-names></name>, <name><surname>Pacak</surname> <given-names>K</given-names></name>, <name><surname>Parenti</surname> <given-names>G</given-names></name>, <name><surname>Eisenhofer</surname> <given-names>G.</given-names></name> <article-title>Subclinical Phaeochromocytoma</article-title>. <source>Best Pract Res Clin Endocrinol Metab</source>. <year>2012</year> <month>Aug</month>;<issue>26(4)</issue>:<fpage>507</fpage>–<lpage>15</lpage>.</mixed-citation></ref><ref id="cit3"><element-citation><name><surname>Rebrova</surname> <given-names>D. 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