<?xml version="1.0" encoding="ISO-8859-1"?><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">
<front>
<journal-meta>
<journal-id>2007-4085</journal-id>
<journal-title><![CDATA[Revista mexicana de urología]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. mex. urol.]]></abbrev-journal-title>
<issn>2007-4085</issn>
<publisher>
<publisher-name><![CDATA[Sociedad Mexicana de Urología]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2007-40852023000400004</article-id>
<article-id pub-id-type="doi">10.48193/revistamexicanadeurologa.v83i4.1002</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[The clinical role of the diagnostic ureteroscopy in upper urinary tract urothelial carcinoma (UTUC): Is it worth using it?]]></article-title>
<article-title xml:lang="es"><![CDATA[El papel clínico de la ureteroscopia diagnóstica en el carcinoma urotelial del tracto urinario superior (UTUC): ¿vale la pena utilizarla?]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Álvarez]]></surname>
<given-names><![CDATA[Juan Camilo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[García-Perdomo]]></surname>
<given-names><![CDATA[Herney Andrés]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Nacional de Colombia  ]]></institution>
<addr-line><![CDATA[Bogotá ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad del Valle Escuela de Medicina ]]></institution>
<addr-line><![CDATA[Cali ]]></addr-line>
<country>Colombia</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>08</month>
<year>2023</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>08</month>
<year>2023</year>
</pub-date>
<volume>83</volume>
<numero>4</numero>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2007-40852023000400004&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2007-40852023000400004&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2007-40852023000400004&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract Upper urinary tract urothelial carcinoma (UTUC) is a rare pathology representing 5-10% of urothelial carcinomas. The diagnosis is based on images (computed tomography urography or magnetic resonance urography) and urinary cytology, with good diagnostic accuracy. In doubtful cases, diagnostic ureteroscopy allows histopathologic confirmation, better staging, and identifying candidates for kidney-sparing surgery. The objective was to describe the role of diagnostic ureteroscopy and its clinical relevance on patients with suspicion of UTUC. We present a non-systematic review in Pubmed, including additional sources because of their relevance. Regarding clinical studies, CT or RMN urography has a sensitivity and specificity of &gt;90% with a limitation to identifying flat lesions. Urinary cytology has a detection rate ranging from 43-91% between sampling methods. Optical diagnosis, selective cytology, and biopsy are used when using diagnostic ureteroscopy. The most used tools are optic fiber flexible ureteroscope, flat-wire baskets, and cup biopsy forceps. Ureteroscopy might decrease de Radical Nephroureterectomy (RNU) rate and misdiagnosis with histopathological confirmation. It also delays the time to RNU and increase of Intravesical recurrence (IVR) without compromising oncological outcomes (OS, CSS, MFS, RFS). The diagnostic ureteroscopy is a valuable tool in UTUC when clinical uncertainty.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen El carcinoma urotelial del tracto urinario superior (UTUC) es una patología rara que representa del 5 al 10% de los carcinomas uroteliales. El diagnóstico se basa en imágenes (urografía por tomografía computarizada o urografía por resonancia magnética) y citología urinaria, con buena precisión diagnóstica. En casos dudosos, la ureteroscopia diagnóstica permite la confirmación histopatológica, una mejor estadificación e identificación de candidatos a cirugía conservadora de riñón. El objetivo fue describir el papel de la ureteroscopia diagnóstica y su relevancia clínica en pacientes con sospecha de UTUC. Presentamos una revisión no sistemática en PubMed, incluyendo fuentes adicionales por su relevancia. En cuanto a los estudios clínicos, la urografía por TC o RMN tiene una sensibilidad y especificidad &gt;90% con limitación para identificar lesiones planas. La citología urinaria tiene una tasa de detección que oscila entre el 43 y el 91% entre los métodos de muestreo. Cuando se utiliza ureteroscopia diagnóstica, se utilizan diagnóstico óptico, citología selectiva y biopsia. Las herramientas más utilizadas son el ureteroscopio flexible de fibra óptica, las cestas de alambre plano y las pinzas para biopsia en copa. La ureteroscopia podría disminuir la tasa de nefroureterectomía radical (RNU) y los diagnósticos erróneos con confirmación histopatológica. También retrasa el tiempo hasta la RNU y aumenta la recurrencia intravesical (IVR) sin comprometer los resultados oncológicos (OS, CSS, MFS, RFS). La ureteroscopia diagnóstica es una herramienta valiosa en UTUC cuando hay incertidumbre clínica.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[Upper tract urothelial carcinoma]]></kwd>
<kwd lng="en"><![CDATA[diagnostic ureteroscopy]]></kwd>
<kwd lng="en"><![CDATA[diagnosis]]></kwd>
<kwd lng="en"><![CDATA[outcomes]]></kwd>
<kwd lng="es"><![CDATA[Carcinoma urotelial del tracto superior]]></kwd>
<kwd lng="es"><![CDATA[ureteroscopia diagnóstica]]></kwd>
<kwd lng="es"><![CDATA[diagnóstico]]></kwd>
<kwd lng="es"><![CDATA[resultados]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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