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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">oncopat</journal-id><journal-title-group><journal-title xml:lang="ru">Онкопатология</journal-title><trans-title-group xml:lang="en"><trans-title>ONCOPATHOLOGY</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2618-7019</issn><issn pub-type="epub">3034-3534</issn><publisher><publisher-name></publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.17650/2618-7019-2022-5-4-3-40-44</article-id><article-id custom-type="elpub" pub-id-type="custom">oncopat-81</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>СЛУЧАЙ ИЗ ПРАКТИКИ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>CASE FROM PRACTICE</subject></subj-group></article-categories><title-group><article-title>Меланома почки: проблемы диагностики</article-title><trans-title-group xml:lang="en"><trans-title>Renal melanoma: diagnostic challenges</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>Гайдамака</surname><given-names>Н. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Gaydamaka</surname><given-names>N.  V.</given-names></name></name-alternatives><email xlink:type="simple">nadya314@yandex.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>Абдуллин</surname><given-names>И. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Abdullin</surname><given-names>I.  I.</given-names></name></name-alternatives><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Григорьев</surname><given-names>Н. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Grigoryev</surname><given-names>N.  A.</given-names></name></name-alternatives><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Центр патоморфологии и молекулярно-генетической диагностики ФГБУ «Центральная клиническая больница с поликлиникой» Управления делами Президента Российской Федерации; Россия, 121359 Москва, ул. Маршала Тимошенко, 15</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Center of Pathomorphology and Molecular Diagnostics; Central Clinical Hospital with Polyclinic, Administration of the President of the Russian Federation; 15 Marshala Timoshenko, Moscow 121359, Russia</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>АО «Европейский медицинский центр»; Россия, 129090 Москва, ул. Щепкина, 35</institution><country>Россия</country></aff><aff xml:lang="en"><institution>European Medical Center; 35 Shchepkina St., Moscow 129090, Russia</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2022</year></pub-date><pub-date pub-type="epub"><day>12</day><month>10</month><year>2026</year></pub-date><volume>5</volume><issue>3-4</issue><fpage>40</fpage><lpage>44</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Гайдамака Н.В., Абдуллин И.И., Григорьев Н.А., 2026</copyright-statement><copyright-year>2026</copyright-year><copyright-holder xml:lang="ru">Гайдамака Н.В., Абдуллин И.И., Григорьев Н.А.</copyright-holder><copyright-holder xml:lang="en">Gaydamaka N. ., Abdullin I.I., Grigoryev N.A.</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://oncopat.elpub.ru/jour/article/view/81">https://oncopat.elpub.ru/jour/article/view/81</self-uri><abstract><p>Первичная меланома лоханки почки является чрезвычайно редкой опухолью, составляющей &lt;0,1 % всех меланом. В опубликованной литературе описано 5 наблюдений меланомы данной локализации. В статье на примере клинического случая рассмотрены особенности клинико-морфологической картины первичной меланомы лоханки, вопросы ее дифференциальной диагностики, выполнен обзор литературы по данной проблематике.</p></abstract><trans-abstract xml:lang="en"><p>Primary melanoma of the renal pelvis is an exceedingly rare tumor accounting for less than 0.1 % of all melanomas. Only 5 cases of this tumor have been reported so far. We report a case of melanoma of the renal pelvis and discuss clinical and morphological characteristics of this disorder, as well as aspects of its differential diagnosis. We also reviewed the existing literature on this issue.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>меланома</kwd><kwd>лоханка почки</kwd><kwd>уринарный тракт</kwd><kwd>меланоз</kwd></kwd-group><kwd-group xml:lang="en"><kwd>melanoma</kwd><kwd>renal pelvis</kwd><kwd>urinary tract</kwd><kwd>melanosis</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Работа выполнена без спонсорской поддержки.</funding-statement><funding-statement xml:lang="en">The work was performed without external funding.</funding-statement></funding-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Gupta R., Bhatti S.S., Dinda A.K. et al. Primary melanoma of the urethra: a rare neoplasm of the urinary tract. Int Urol Nephrol 2007;39:833–6.</mixed-citation><mixed-citation xml:lang="en">Gupta R., Bhatti S.S., Dinda A.K. et al. 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