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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/probl12677</article-id><article-id custom-type="elpub" pub-id-type="custom">problendo-12677</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>Дифференциальная диагностика нормокальциемического варианта первичного гиперпаратиреоза и идиопатической гиперкальциурии на примере клинического случая</article-title><trans-title-group xml:lang="en"><trans-title>Differential diagnosis of normocalcemic hyperparathyroidism and idiopathic hypercalciuria on the example of clinical case</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-2144-8595</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Рунова</surname><given-names>Г. Е.</given-names></name><name name-style="western" xml:lang="en"><surname>Runova</surname><given-names>G. E.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Рунова Гюзель Евгеньевна - кандидат медицинских наук.119991, Москва, ул. Трубецкая, д. 8, стр. 2.eLibrary SPIN: 3639-6932</p></bio><bio xml:lang="en"><p>Gyuzel E. Runova - MD, PhD.8-2 Trubetskaya street, 119991 Moscow.eLibrary SPIN: 3639-6932</p></bio><email xlink:type="simple">guzelvolkova@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/0000-0003-2320-1051</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Голоунина</surname><given-names>О. О.</given-names></name><name name-style="western" xml:lang="en"><surname>Golounina</surname><given-names>O. O.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Голоунина Ольга Олеговна.119991, Москва, ул. Трубецкая, д. 8, стр. 2.eLibrary SPIN: 7793-2123</p></bio><bio xml:lang="en"><p>Olga O. Golounina - Student, Medical faculty.8-2 Trubetskaya street, 119991 Moscow.eLibrary SPIN: 7793-2123</p></bio><email xlink:type="simple">olga.golounina@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/0000-0001-8505-5526</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Глинкина</surname><given-names>И. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Glinkina</surname><given-names>I. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Глинкина Ирина Владимировна - кандидат медицинских наук.119991, Москва, ул. Трубецкая, д. 8, стр. 2.eLibrary SPIN: 2731-2400</p></bio><bio xml:lang="en"><p>Irina V. Glinkina - MD, PhD.8-2 Trubetskaya street, 119991 Moscow.eLibrary SPIN: 2731-2400</p></bio><email xlink:type="simple">irina_glinkina@rambler.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/0000-0002-7000-0095</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Сыч</surname><given-names>Ю. П.</given-names></name><name name-style="western" xml:lang="en"><surname>Sych</surname><given-names>Yu. P.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Сыч Юлия Петровна - кандидат медицинских наук.119991, Москва, ул. Трубецкая, д. 8, стр. 2.eLibrary SPIN: 3406-0978</p></bio><bio xml:lang="en"><p>Yulia P. Sych - MD, PhD.8-2 Trubetskaya street, 119991 Moscow.eLibrary SPIN: 3406-0978</p></bio><email xlink:type="simple">juliasytch@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/0000-0002-3026-6315</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Фадеев</surname><given-names>В. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Fadeev</surname><given-names>V. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Фадеев Валентин Викторович - доктор медицинских наук, профессор, член-корреспондент РАН.119991, Москва, ул. Трубецкая, д. 8, стр. 2.eLibrary SPIN: 6825-8417</p></bio><bio xml:lang="en"><p>Valentin V. Fadeyev - MD, PhD, Professor.8-2 Trubetskaya street, 119991 Moscow.eLibrary SPIN: 6825-8417</p></bio><email xlink:type="simple">walfad@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Первый Московский государственный медицинский университет им. И.М. Сеченова (Сеченовский Университет)</institution><country>Россия</country></aff><aff xml:lang="en"><institution>I.M. Sechenov First Moscow State Medical University (Sechenov University)</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2020</year></pub-date><pub-date pub-type="epub"><day>30</day><month>12</month><year>2020</year></pub-date><volume>66</volume><issue>6</issue><fpage>13</fpage><lpage>17</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Рунова Г.Е., Голоунина О.О., Глинкина И.В., Сыч Ю.П., Фадеев В.В., 2020</copyright-statement><copyright-year>2020</copyright-year><copyright-holder xml:lang="ru">Рунова Г.Е., Голоунина О.О., Глинкина И.В., Сыч Ю.П., Фадеев В.В.</copyright-holder><copyright-holder xml:lang="en">Runova G.E., Golounina O.O., Glinkina I.V., Sych Y.P., Fadeev V.V.</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/12677">https://www.probl-endojournals.ru/jour/article/view/12677</self-uri><abstract><p>Идиопатическая гиперкальциурия — это гетерогенное генерализованное нарушение, обусловленное различными дефектами транспорта кальция и повышенной его экскрецией с мочой. В качестве основных этиопатогенетических факторов выделяют нарушения метаболизма витамина D, изменение чувствительности рецепторов к кальцитриолу, нарушение процессов реабсорбции кальция в проксимальных канальцах и в восходящем колене петли Генле. В статье представлено клиническое наблюдение пациентки с идиопатической гиперкальциурией, исходно высоким уровнем паратиреоидного гормона (ПТГ) в отсутствие данных за наличие гиперпаратиреоза. Терапия тиазидными диуретиками позволила добиться нормализации суточной экскреции кальция и снижения концентрации ПТГ. Несмотря на невысокую распространенность идиопатической гиперкальциурии, дифференциальная диагностика данного метаболического нарушения должна проводиться с обязательным учетом клинических и лабораторных данных, а также с заболеваниями, которые могут стать причиной повышенной выработки ПТГ.</p></abstract><trans-abstract xml:lang="en"><p>Idiopathic hypercalciuria is a heterogeneous generalized disorder caused by various defects in calcium transport and increased urinary calcium excretion. The main etiopathogenetic factors are violations of vitamin D metabolism, changes in the sensitivity of calcitriol receptors and violations of the processes of calcium reabsorption in the proximal tubules and in the ascending knee of the Henle loop. This article presents a clinical observation of patient with idiopathic hypercalciuria, initially high levels of parathyroid hormone (PTH) in the absence of hyperparathyroidism. Therapy with thiazide diuretics allowed to achieve normalization of daily urinary calcium excretion and reducing PTH. Despite the low prevalence of idiopathic hypercalciuria, differential diagnosis of this metabolic disorder should be carried out with mandatory consideration of clinical and laboratory data, as well as with diseases that may cause increased PTH production.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>идиопатическая гиперкальциурия</kwd><kwd>мочекаменная болезнь</kwd><kwd>паратиреоидный гормон/паратгормон/ПТГ</kwd><kwd>витамин D</kwd><kwd>тиазидные диуретики</kwd></kwd-group><kwd-group xml:lang="en"><kwd>idiopathic hypercalciuria</kwd><kwd>urolithiasis disease</kwd><kwd>parathyroid hormone/PTH</kwd><kwd>vitamin D</kwd><kwd>thiazide diuretics</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">Coe FL, Worcester EM, Evan AP. 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