<?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>1870-7203</journal-id>
<journal-title><![CDATA[Acta médica Grupo Ángeles]]></journal-title>
<abbrev-journal-title><![CDATA[Acta méd. Grupo Ángeles]]></abbrev-journal-title>
<issn>1870-7203</issn>
<publisher>
<publisher-name><![CDATA[Grupo Ángeles, Servicios de Salud]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1870-72032019000200155</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Agenesia de la vesícula biliar]]></article-title>
<article-title xml:lang="en"><![CDATA[Gallbladder agenesis]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Espino Galván]]></surname>
<given-names><![CDATA[Jorge Eduardo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Campos Márquez]]></surname>
<given-names><![CDATA[Guillermo Patricio]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Cruz Zamudio]]></surname>
<given-names><![CDATA[Iris Natalia]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Vásquez Hernández]]></surname>
<given-names><![CDATA[Mario]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Hospital General de Matamoros &#8220;Dr. Alfredo Pumarejo Lafaurie&#8221; Servicio de Cirugía General ]]></institution>
<addr-line><![CDATA[Matamoros Tamaulipas]]></addr-line>
<country>México</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Hospital General de Matamoros &#8220;Dr. Alfredo Pumarejo Lafaurie&#8221; Servicio de Cirugía General ]]></institution>
<addr-line><![CDATA[Matamoros Tamaulipas]]></addr-line>
<country>México</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>06</month>
<year>2019</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>06</month>
<year>2019</year>
</pub-date>
<volume>17</volume>
<numero>2</numero>
<fpage>155</fpage>
<lpage>159</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S1870-72032019000200155&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S1870-72032019000200155&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S1870-72032019000200155&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen:  Introducción:  La malformación congénita menos frecuente de la vía biliar es la agenesia de la vesícula biliar; afecta a entre 0.007% y 0.09% de los pacientes sometidos a colecistectomía. Objetiv o: Presentar un caso clínico diagnosticado en el transoperatorio, previo diagnóstico de colecistolitiasis por ultrasonograma.  Caso clínico:  Femenino de 37 años, acudió a consulta de cirugía general presentando dolor abdominal de cuatro meses de evolución, tipo cólico, en el hipocondrio derecho, irradiado a la escápula derecha, postprandial. El ultrasonido de hígado y vías biliares reportó litiasis vesicular tipo 1. Se programó para colecistectomía abierta; no se logró identificar la vesícula biliar. Se finalizó el procedimiento, evitando lesionar la vía biliar. Se solicitó una colangiorresonancia en el postoperatorio, que confirmó el diagnóstico de agenesia vesicular. Discusión: El diagnóstico preoperatorio de agenesia vesicular nunca ha sido reportado; por lo tanto, resulta un reto para el radiólogo y el cirujano al realizar la colecistectomía.  Conclusiones:  La agenesia de la vesícula biliar es la malformación menos frecuente de la vía biliar, con muy pocos casos reportados mundialmente; su diagnóstico se realiza durante el transoperatorio, con interpretaciones erróneas en el ultrasonograma. La MRCP (colangiopancreatografia por resonancia magnética) es un estudio complementario cuando existe un ultrasonograma inconcluso; evita cirugías innecesarias y disminuye el riesgo de complicaciones.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract:  Introduction:  The less common congenital abnormality of the biliary tract corresponds to gallbladder agenesis, affecting between 0.007% and 0.09% of patients undergoing cholecystectomy. The purpose of this article is to present a clinical case diagnosed during the surgical procedure, after being diagnosed with cholecystolithiasis by ultrasonogram.  Clinical case:  A 37-year-old female consulted with abdominal pain that irradiated to the right scapula. The gallbladder ultrasound reported type l cholecystolithiasis. An open cholecystectomy was programmed. The gallbladder could not be identified and the procedure was finished in order to avoid harming the biliary duct. A cholangiopancreatography was requested in the postoperative, confirming the diagnosis of gallbladder agenesis.  Discussion:  A preoperative gallbladder agenesis diagnosis has never been reported, thus this is a great challenge to the radiologist as well as a great concern to the surgeon when performing a cholecystectomy.  Conclusions:  This is the less common abnormality of the biliary tract, very few cases have been reported worldwide; the diagnosis is made in the intraoperative period due to incorrect diagnostic impressions by the ultrasound. The MRCP is a complementary study that is useful when there is a doubtful ultrasonogram, avoiding unnecessary surgeries and reducing the risk of complications.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Agenesia de la vesícula biliar]]></kwd>
<kwd lng="es"><![CDATA[agenesia vesicular]]></kwd>
<kwd lng="en"><![CDATA[Gallbladder agenesia]]></kwd>
<kwd lng="en"><![CDATA[vesicular agenesis]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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