<?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>S2007-40852021000100003</article-id>
<article-id pub-id-type="doi">10.48193/revistamexicanadeurologa.v81i1.727</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Microlitiasis testicular una patología rara y poco conocida. Reporte de casos y revisión de literatura]]></article-title>
<article-title xml:lang="en"><![CDATA[Testicular microlithiasis, a rare and little-known disease: Case reports and a literature review]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Galván-Montaño]]></surname>
<given-names><![CDATA[Alfonso]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Cruces-Velázquez]]></surname>
<given-names><![CDATA[Michelle]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[García-Moreno]]></surname>
<given-names><![CDATA[Silvia]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Espinosa de los Monteros-Pérez]]></surname>
<given-names><![CDATA[Luz Elena]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Suárez-Roa]]></surname>
<given-names><![CDATA[María de Lourdes]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Guzmán-Martínez]]></surname>
<given-names><![CDATA[Sonia]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Hospital General &#8220;Dr. Manuel Gea González&#8221;  ]]></institution>
<addr-line><![CDATA[Ciudad de México ]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>02</month>
<year>2021</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>02</month>
<year>2021</year>
</pub-date>
<volume>81</volume>
<numero>1</numero>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2007-40852021000100003&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2007-40852021000100003&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2007-40852021000100003&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen  Objetivo: El objetivo del presente trabajo es hacer una revisión de los casos reportados por ultrasonido de microlitiasis testicular y hacer una revisión de la literatura.  Diseño: Se realizó una revisión de los ultrasonidos testiculares en los que se reportó microlitiasis testicular en el periodo comprendido del 2011 a 2018 en el Hospital &#8220;Dr. Manuel Gea González&#8221;, las variables que se analizaron fueron: edad, motivo del estudio, lado afectado y otros hallazgos.  Resultados: Fueron 21 ultrasonidos con microlitiasis testicular con rango de edad de 6 a 24 años con promedio de 16 años. En el 81% afecto a ambos testículos, y en el 29% afecto el lado izquierdo. En el motivo del estudio el dolor testicular se encontró en el 33 % (7 casos), 14 % por tumor testicular (3 casos), torsión testicular 10% (2 casos), otras causas fueron varicocele, absceso y trauma testiculares.  Limitaciones del estudio: Al tratarse de un estudio observacional retrospectivo, las conclusiones obtenidas son relativas.  Originalidad: La microlitiasis tiene una prevalencia informada entre el 2.4% y el 3.8% en niños, se asocia a neoplasias testiculares y puede causar infertilidad. Se considera como posible etiología algunas nanobacterias que inducen las calcificaciones testiculares por lo tanto el estudio de esta patología podría modificar su tratamiento y prevenir su aparición.  Conclusiones: La microlitiasis testicular es una patología rara y poco conocida que puede estar asociada a cáncer e infertilidad y al parecer su etiología puede ser infecciosa ocasionada por nanobacterias. Es una patología abierta a la investigación.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract  Objective: The aim of the present work was to review the cases of testicular microlithiasis revealed by ultrasound and carry out a review of the literature.  Design: Testicular ultrasounds that identified testicular microlithiasis in patients seen at the Hospital &#8220;Dr. Manuel Gea González&#8221;, within the time frame of 2011 and 2018, were reviewed. Age, study indication, and laterality were among the variables analyzed.  Results: Twenty-one ultrasounds revealed testicular microlithiasis in patients ranging from 6 to 24 years of age, with a mean of 16 years. Both testes were affected in 81% of the patients, and the left testis was affected in 29%. The indication for ultrasound was testicular pain in 33% (7 cases), testicular tumor in 14% (3 cases), and testicular torsion in 10% (2 cases). Other causes were varicocele, testicular abscess, and testicular trauma.  Study limitations: The conclusions were relative, given the study&#8217;s retrospective, observational design.  Originality: Microlithiasis has a reported prevalence of 2.4% to 3.8% in children. It is associated with testicular tumors and can cause infertility. A possible cause is nanobacteria that induce testicular calcifications. The study of the disease could modify its treatment and prevent its appearance.  Conclusions: Testicular microlithiasis is a rare and little-known disease that can be associated with cancer and infertility. Its etiology appears to be nanobacterial infection. More research on the disease should be carried out.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[Testicular microlithiasis]]></kwd>
<kwd lng="en"><![CDATA[Ultrasound]]></kwd>
<kwd lng="en"><![CDATA[Children]]></kwd>
<kwd lng="es"><![CDATA[Microlitiasis testicular]]></kwd>
<kwd lng="es"><![CDATA[Ultrasonido]]></kwd>
<kwd lng="es"><![CDATA[Niños]]></kwd>
</kwd-group>
</article-meta>
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