<?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>0026-1742</journal-id>
<journal-title><![CDATA[Revista de la Facultad de Medicina (México)]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. Fac. Med. (Méx.)]]></abbrev-journal-title>
<issn>0026-1742</issn>
<publisher>
<publisher-name><![CDATA[Universidad Nacional Autónoma de México, Facultad de Medicina]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0026-17422011000300007</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Haga su diagnóstico]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ramírez Arias]]></surname>
<given-names><![CDATA[José Luis]]></given-names>
</name>
</contrib>
</contrib-group>
<aff id="A">
<institution><![CDATA[,  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>06</month>
<year>2011</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>06</month>
<year>2011</year>
</pub-date>
<volume>54</volume>
<numero>3</numero>
<fpage>54</fpage>
<lpage>54</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S0026-17422011000300007&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S0026-17422011000300007&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S0026-17422011000300007&amp;lng=en&amp;nrm=iso"></self-uri></article-meta>
</front><body><![CDATA[  	    <p align="justify"><font face="verdana" size="4">Caso cl&iacute;nico radiol&oacute;gico</font></p>     <p align="justify">&nbsp;</p>      <p align="center"><font face="verdana" size="4"><b>Haga su diagn&oacute;stico</b></font></p>     <p align="center">&nbsp;</p>     <p align="center"><font face="verdana" size="2"><b>Jos&eacute; Luis Ram&iacute;rez Arias*</b></font></p>      <p align="justify">&nbsp;</p>     <p align="justify">&nbsp;</p>     <p align="center"><img src="/img/revistas/facmed/v54n3/a7i1.jpg"></p>     <p align="justify">&nbsp;</p>     ]]></body>
<body><![CDATA[<p align="justify"><font face="verdana" size="2"><b><i>1. &iquest;Qu&eacute; estudios son en ambos casos?</i></b></font></p>      <p align="justify"><font face="verdana" size="2">a) Tomografia computada</font></p>  	    <p align="justify"><font face="verdana" size="2">b) Radiograf&iacute;a simple</font></p>  	    <p align="justify"><font face="verdana" size="2">c) Medicina nuclear</font></p>  	    <p align="justify"><font face="verdana" size="2">d) Ultrasonido doppler</font></p>  	    <p align="justify"><font face="verdana" size="2">e) Ultrasonido transabdominal</font></p>  	    <p align="justify"><font face="verdana" size="2"><b><i>2. &iquest;Qu&eacute; representan las flechas largas?</i></b></font></p>  	    <p align="justify"><font face="verdana" size="2">a) Lodo biliar</font></p>  	    <p align="justify"><font face="verdana" size="2">b) Litiasis biliar</font></p>  	    <p align="justify"><font face="verdana" size="2">c) Tumor biliar</font></p>  	    ]]></body>
<body><![CDATA[<p align="justify"><font face="verdana" size="2">d) Artificio electr&oacute;nico</font></p>  	    <p align="justify"><font face="verdana" size="2">e) P&oacute;lipo</font></p>  	    <p align="justify"><font face="verdana" size="2"><b><i>3. &iquest;Qu&eacute; representan las puntas de flecha?</i></b></font></p>  	    <p align="justify"><font face="verdana" size="2">a) Sombra ac&uacute;stica</font></p>  	    <p align="justify"><font face="verdana" size="2">b) Aire perivesicular</font></p>  	    <p align="justify"><font face="verdana" size="2">c) L&iacute;quido perivesicular</font></p>  	    <p align="justify"><font face="verdana" size="2">d) Es un signo de neoplasia</font></p>  	    <p align="justify"><font face="verdana" size="2">e) Es un signo de p&oacute;lipo</font></p>  	    <p align="justify"><font face="verdana" size="2"><b><i>4. El estudio de imagen id&oacute;neo para demostrar colecistitis es:</i></b></font></p>  	    <p align="justify"><font face="verdana" size="2">a) Colecistograf&iacute;a oral</font></p>  	    ]]></body>
<body><![CDATA[<p align="justify"><font face="verdana" size="2">b) Ultrasonido</font></p>  	    <p align="justify"><font face="verdana" size="2">c) Tomograf&iacute;a computada</font></p>  	    <p align="justify"><font face="verdana" size="2">d) Resonancia magn&eacute;tica</font></p>  	    <p align="justify"><font face="verdana" size="2">e) Medicina nuclear</font></p>  	    <p align="justify"><font face="verdana" size="2"><b><i>5. Haga su diagn&oacute;stico en ambos casos:</i></b></font></p>  	    <p align="justify"><font face="verdana" size="2">a) Cancer vesicular</font></p>  	    <p align="justify"><font face="verdana" size="2">b) P&oacute;lipos vesiculares</font></p>  	    <p align="justify"><font face="verdana" size="2">c) Colecistitis aguda</font></p>  	    <p align="justify"><font face="verdana" size="2">d) Litiasis vesicular</font></p>  	    <p align="justify"><font face="verdana" size="2">e) Vesiculas normales</font></p> 	    ]]></body>
<body><![CDATA[<p align="right"><img src="/img/revistas/facmed/v54n3/a7r.jpg"></p>  	    <p align="justify">&nbsp;</p> 	    <p align="justify"><font face="verdana" size="2"><b>BIBLIOGRAF&Iacute;A</b></font></p>      <!-- ref --><p align="justify"><font face="verdana" size="2">&bull; Gore RM, Ghahremani GG, Fernback SK. Gallbladder and Biliary Tract: Anomalies and Anatomic Variations. In: Gore RM, Levine MS, Laufer I, eds. Textbook of Gastrointestinal Radiology. Philadelphia: WB Saunders; 1994. p. 1620&#45;1635.    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=6878019&pid=S0026-1742201100030000700001&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --></font></p>  	    <!-- ref --><p align="justify"><font face="verdana" size="2">&bull; Turner MA. Diagnostic Methods and Pitfalls in the Gallbladder. Semin Roentgenol. 1991;26:197&#45;208.    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=6878021&pid=S0026-1742201100030000700002&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --></font></p>      ]]></body><back>
<ref-list>
<ref id="B1">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Gore]]></surname>
<given-names><![CDATA[RM]]></given-names>
</name>
<name>
<surname><![CDATA[Ghahremani]]></surname>
<given-names><![CDATA[GG]]></given-names>
</name>
<name>
<surname><![CDATA[Fernback]]></surname>
<given-names><![CDATA[SK]]></given-names>
</name>
</person-group>
<article-title xml:lang="en"><![CDATA[Gallbladder and Biliary Tract: Anomalies and Anatomic Variations]]></article-title>
<person-group person-group-type="editor">
<name>
<surname><![CDATA[Gore]]></surname>
<given-names><![CDATA[RM]]></given-names>
</name>
<name>
<surname><![CDATA[Levine]]></surname>
<given-names><![CDATA[MS]]></given-names>
</name>
<name>
<surname><![CDATA[Laufer]]></surname>
<given-names><![CDATA[I]]></given-names>
</name>
</person-group>
<source><![CDATA[Textbook of Gastrointestinal Radiology]]></source>
<year>1994</year>
<page-range>1620-1635</page-range><publisher-loc><![CDATA[Philadelphia ]]></publisher-loc>
<publisher-name><![CDATA[WB Saunders]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B2">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Turner]]></surname>
<given-names><![CDATA[MA]]></given-names>
</name>
</person-group>
<source><![CDATA[Diagnostic Methods and Pitfalls in the Gallbladder]]></source>
<year>1991</year>
<volume>26</volume>
<page-range>197-208</page-range><publisher-name><![CDATA[Semin Roentgenol]]></publisher-name>
</nlm-citation>
</ref>
</ref-list>
</back>
</article>
