<?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>S2007-40852018000200128</article-id>
<article-id pub-id-type="doi">10.24245/revmexurol.v78i2.1913</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Diagnostic accuracy and complications of frozen section examination of equivocal malignant testicular masses]]></article-title>
<article-title xml:lang="es"><![CDATA[Precisión diagnóstica y complicaciones de la biopsia por congelamiento de masas testiculares malignas equívocas]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Cayetano-Alcaraz]]></surname>
<given-names><![CDATA[Axel Alberto]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Halilovic]]></surname>
<given-names><![CDATA[Mirha]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Olavarria-Sayavedra]]></surname>
<given-names><![CDATA[Natalia]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Quiñones-Capistrán]]></surname>
<given-names><![CDATA[Christian Aníbal]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Arceo-Olaiz]]></surname>
<given-names><![CDATA[Ricardo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Castillejos-Molina]]></surname>
<given-names><![CDATA[Ricardo Alonso]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán Department of Urology ]]></institution>
<addr-line><![CDATA[Ciudad de México ]]></addr-line>
<country>México</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Hospital Ángeles Pedregal  ]]></institution>
<addr-line><![CDATA[Ciudad de México ]]></addr-line>
<country>México</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>04</month>
<year>2018</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>04</month>
<year>2018</year>
</pub-date>
<volume>78</volume>
<numero>2</numero>
<fpage>128</fpage>
<lpage>134</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2007-40852018000200128&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2007-40852018000200128&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2007-40852018000200128&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract  Background:  Most testicular lesions are detected at the early stage and up to 10-20% of them are benign. Frozen section examination (FSE) has proven to be reliable for evaluating testicular lesions. The diagnosis of benign histology can prevent unnecessary radical orchiectomy and its complications.  Objective:  To evaluate the diagnostic accuracy of FSE of equivocal malignant testicular masses (EMTMs), as well as the short and long-term complications associated with that procedure.  Materials and methods:  A retrospective study was conducted between 2005 and 2015 at a tertiary care center on patients that underwent testicular exploration through FSE due to EMTM. Diagnostic accuracy measures were obtained, and the short and long-term complications were recorded. The study design was carried out following the STARD (Standards for Reporting of Diagnostic Accuracy) recommendations.  Results:  Twenty-three patients were included in the study. Median follow-up was 10 months (interquartile range: 60). A total of 73.9% of the lesions were benign and 26.1% were malignant. There were no diagnostic changes in relation to the FSE and definitive pathology reports. Diagnostic accuracy measures were 100%. The degree of concordance between the FSE and definitive malignancy reports was statistically significant (&#954; = 1.0, p &lt; 0.05). As a result of the benign FSE report, 12 radical orchiectomies (70.6%) were prevented. Three patients (12.5%) had grade I complications. In the long term, 2 patients presented with testicular atrophy. No malignant formations were observed during follow-up in the patients that did not undergo radical orchiectomy as a result of the benign FSE report.  Conclusion:  Testicular frozen section examination is a reliable technique in equivocal malignant lesion management and is associated with low-grade complications.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen  Antecedentes: La mayor parte de las lesiones testiculares se detectan en etapa temprana. En 10 a 20% de los casos pueden ser benignas. La biopsia por congelamiento ha demostrado ser confiable para evaluar lesiones testiculares. El diagnóstico de histología benigna puede evitar orquiectomías radicales innecesarias y sus complicaciones.  Objetivo:  Evaluar la precisión diagnóstica de la biopsia por congelamiento de lesiones testiculares malignas equívocas, las complicaciones a corto y largo plazos asociadas con este procedimiento.  Materiales y métodos:  Estudio retrospectivo efectuado de 2005 a 2015 en un centro hospitalario terciario, en pacientes con exploración testicular con biopsia por congelamiento debido a lesiones testiculares malignas equívocas. Se obtuvieron medidas de precisión diagnóstica. Se registraron las complicaciones a corto y largo plazo. El diseño del estudio se realizó siguiendo las recomendaciones STARD (Standards for Reporting of Diagnostic Accuracy, por sus siglas en inglés).  Resultados:  Se incluyeron 23 pacientes, con una mediana de seguimiento de diez meses (Rango Intercuartil: 60). 73.9% y 26.1% de las lesiones fueron benignas y malignas, respectivamente. No se observaron cambios en el diagnóstico entre el reporte de la BC y el reporte definitivo de patología. Las medidas de precisión diagnóstica tuvieron un valor de 100%. El grado de concordancia entre la BC y el reporte definitivo de malignidad, fue estadísticamente significativo (&#954; = 1.0, p &lt;0.05). Debido al reporte benigno de la biopsia por congelamiento, se evitaron 12 orquiectomías radicales. Tres pacientes (12.5%) tuvieron complicaciones grado I. Se encontró atrofia testicular, a largo plazo, en 2 pacientes. En los pacientes que no se sometieron a orquiectomía radical por reporte benigno de biopsia por congelamiento, no se detectaron formaciones malignas durante el seguimiento.  Conclusión:  La biopsia testicular por congelamiento representa una técnica confiable en el manejo de lesiones malignas equívocas y está asociada con complicaciones de bajo grado.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[Frozen Sections]]></kwd>
<kwd lng="en"><![CDATA[Diagnostic accuracy]]></kwd>
<kwd lng="en"><![CDATA[Testicular neoplasms]]></kwd>
<kwd lng="en"><![CDATA[Retrospective studies]]></kwd>
<kwd lng="en"><![CDATA[Testis pathology]]></kwd>
<kwd lng="es"><![CDATA[Biopsia por Congelamiento]]></kwd>
<kwd lng="es"><![CDATA[Precisión diagnóstica]]></kwd>
<kwd lng="es"><![CDATA[Neoplasias testiculares]]></kwd>
<kwd lng="es"><![CDATA[Estudios retrospectivos]]></kwd>
<kwd lng="es"><![CDATA[Patología testicular]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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