<?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>0016-3813</journal-id>
<journal-title><![CDATA[Gaceta médica de México]]></journal-title>
<abbrev-journal-title><![CDATA[Gac. Méd. Méx]]></abbrev-journal-title>
<issn>0016-3813</issn>
<publisher>
<publisher-name><![CDATA[Academia Nacional de Medicina de México A.C.]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0016-38132004000500012</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Pseudoquiste suprarrenal hemorrágico: Descripción de un caso y revision de la literatura]]></article-title>
<article-title xml:lang="en"><![CDATA[Hemorrhagic Adrenal Pseudocyst: Case Report and a Review of the Literature]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Moreno-Aranda]]></surname>
<given-names><![CDATA[Jorge]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Wingartz-Plata]]></surname>
<given-names><![CDATA[Hugo F]]></given-names>
</name>
<xref ref-type="aff" rid="A02"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Maldonado-Arce]]></surname>
<given-names><![CDATA[Boris]]></given-names>
</name>
<xref ref-type="aff" rid="A03"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Vega-Espinosa]]></surname>
<given-names><![CDATA[J. Juvenal]]></given-names>
</name>
<xref ref-type="aff" rid="A04"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Maldonado-Alcaraz]]></surname>
<given-names><![CDATA[Efraín]]></given-names>
</name>
<xref ref-type="aff" rid="A05"/>
</contrib>
</contrib-group>
<aff id="A01">
<institution><![CDATA[,Hospital Ángeles del Pedregal  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
</aff>
<aff id="A02">
<institution><![CDATA[,Instituto Mexicano del Seguro Social Hospital de Especialidades ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
</aff>
<aff id="A03">
<institution><![CDATA[,Hospital Ángeles del Pedregal Urólogo ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
</aff>
<aff id="A04">
<institution><![CDATA[,Instituto Mexicano del Seguro Social Hospital de Especialidades Residente del Quinto año de Urología]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
</aff>
<aff id="A05">
<institution><![CDATA[,Instituto Mexicano del Seguro Social Hospital de Especialidades Residente del Tercer año de Urología]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>10</month>
<year>2004</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>10</month>
<year>2004</year>
</pub-date>
<volume>140</volume>
<numero>5</numero>
<fpage>553</fpage>
<lpage>555</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S0016-38132004000500012&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S0016-38132004000500012&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S0016-38132004000500012&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Los quistes de suprarrenal son raros y aún más los pseudoquistes hemorrágicos, los que generalmente son entidades no sospechadas y que pueden presentarse con datos sugestivos de abdomen agudo. Algunos de estos pueden llegar a desarrollar ruptura con la consiguiente hemorragia retroperitoneal e incluso la muerte. Presentamos el caso de una paciente con un pseudoquiste suprarrenal hemorrágico, con un cuadro clínico sugestivo de apenaicitis.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Adrenal cysts are rare entities, and hemorrhagic pseudocysts are even less frequent. Generally, they are unsuspected during first patient evaluation and can suggest acute abdomen. We present the case of a hemorrhagic pseudocyst with sudden on set of abdominal pain and features compatible with acute appendicitis.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[pseudoquiste suprarrenal hemorrágico]]></kwd>
<kwd lng="es"><![CDATA[abdomen agudo]]></kwd>
<kwd lng="en"><![CDATA[hemorrhagic adrenalpseudocyst]]></kwd>
<kwd lng="en"><![CDATA[acute abdomen]]></kwd>
</kwd-group>
</article-meta>
</front><body><![CDATA[ <p align="justify"><font face="verdana" size="4">Casos cl&iacute;nicos</font></p>     <p align="justify"><font face="verdana" size="2">&nbsp;</font></p>     <p align="center"><font face="verdana" size="4"><b>Pseudoquiste suprarrenal hemorr&aacute;gico: Descripci&oacute;n de un caso y revision de la literatura</b></font></p>     <p align="justify"><font face="verdana" size="2">&nbsp;</font></p>     <p align="center"><font face="verdana" size="3"><b>Hemorrhagic Adrenal Pseudocyst: Case eport and a Review of the Literature</b></font></p>     <p align="justify"><font face="verdana" size="2">&nbsp;</font></p>     <p align="center"><font face="verdana" size="2"><b>Jorge Moreno&#150;Aranda,* Hugo F. Wingartz&#150;Plata,** Boris Maldonado&#150;Arce,*** J. Juvenal Vega&#150;Espinosa,**** Efra&iacute;n Maldonado&#150;Alcaraz*****</b></font></p>     <p align="justify"><font face="verdana" size="2">&nbsp;</font></p>     <p align="justify"><font face="verdana" size="2">* <i>Ur&oacute;logo, Hospital &Aacute;ngeles del Pedregal.</i></font></p>     <p align="justify"><font face="verdana" size="2"><i>** Ur&oacute;logo. Hospital de Especialidades CMNSXXI, Instituto Mexicano del Seguro Social.</i></font></p>     ]]></body>
<body><![CDATA[<p align="justify"><font face="verdana" size="2"><i>*** Ur&oacute;logo, Hospital &Aacute;ngeles del Pedregal.</i></font></p>     <p align="justify"><font face="verdana" size="2"><i>**** Residente del Quinto a&ntilde;o de Urolog&iacute;a. Hospital de Especialidades CMNSXXI. Instituto Mexicano del Seguro Social.</i></font></p>     <p align="justify"><font face="verdana" size="2"><i>***** Residente del Tercer a&ntilde;o de Urolog&iacute;a. Hospital de Especialidades CMNSXXI. Instituto Mexicano del Seguro Social.</i></font></p>     <p align="justify"><font face="verdana" size="2">&nbsp;</font></p>     <p align="justify"><font face="verdana" size="2"><b>Correspondencia y solicitud de sobretiros: </b>    <br>   <i>Miguel Laurent No. 918     <br>   Int. 101, Col. Letr&aacute;n Valle,     <br>   Delegaci&oacute;n B. Ju&aacute;rez C.P.     <br>   03650. M&eacute;xico D.F. </i>    <br>   Correo electr&oacute;nico: <a href="mailto:urojogica@hotmail.com">urojogica@hotmail.com</a></font></p>     ]]></body>
<body><![CDATA[<p align="justify"><font face="verdana" size="2">&nbsp;</font></p>     <p align="justify"><font face="verdana" size="2"><b>Resumen</b></font></p>     <p align="justify"><font face="verdana" size="2"><i>Los quistes de suprarrenal son raros y a&uacute;n m&aacute;s los pseudoquistes hemorr&aacute;gicos, los que generalmente son entidades no sospechadas y que pueden presentarse con datos sugestivos de abdomen agudo. Algunos de estos pueden llegar a desarrollar ruptura con la consiguiente hemorragia retroperitoneal e incluso la muerte. Presentamos el caso de una paciente con un pseudoquiste suprarrenal hemorr&aacute;gico, con un cuadro cl&iacute;nico sugestivo de apenaicitis.</i></font></p>     <p align="justify"><font face="verdana" size="2"><b>Palabras clave: </b><i>pseudoquiste suprarrenal hemorr&aacute;gico, abdomen agudo.</i></font></p>     <p align="justify"><font face="verdana" size="2">&nbsp;</font></p>     <p align="justify"><font face="verdana" size="2"><b>Summary</b></font></p>     <p align="justify"><font face="verdana" size="2"><i>Adrenal cysts are rare entities, and hemorrhagic pseudocysts are even less frequent. Generally, they are unsuspected during first patient evaluation and can suggest acute abdomen. We present the case of a hemorrhagic pseudocyst with sudden on set of abdominal pain and features compatible with acute appendicitis.</i></font></p>     <p align="justify"><font face="verdana" size="2"><b>Key words: </b><i>hemorrhagic adrenal pseudocyst, acute abdomen.</i></font></p>     <p align="justify"><font face="verdana" size="2">&nbsp;</font></p>     <p align="justify"><font face="verdana" size="2"><b>Introducci&oacute;n</b></font></p>     ]]></body>
<body><![CDATA[<p align="justify"><font face="verdana" size="2">Los quistes suprarrenales son raros (0.064%&#150;0.18% en las series de autopsias), y hay menos de 500 casos reportados en laliteratura occidental. Histopatol&oacute;gicamente corresponden a pseudoquistes (40%), quistes endoteliales, epiteliales y parasitarios.<sup>1&#150;4</sup></font></p>     <p align="justify"><font face="verdana" size="2">Se han descrito casos en neonatos, pacientes con estados alterados de la coagulaci&oacute;n y estr&eacute;s f&iacute;sico. Algunos de estos casos son idiop&aacute;ticos y la mayor&iacute;a tiende a ser bilateral.<sup>1&#150;10</sup></font></p>     <p align="justify"><font face="verdana" size="2">La mayor&iacute;a de las causas tiene en com&uacute;n un incremento de las hormonas adrenocorticotr&oacute;picas o una predisposici&oacute;n a trombosis venosa adrenal. Adem&aacute;s de que el flujo sangu&iacute;neo adrenal es susceptible a la hemorragia, la disposici&oacute;n de los vasos se descrito como un "pool vascular" y esto implica que un incremento de la presi&oacute;n venosa adrenal que pueda resultar en hemorragia adrenal.<sup>3,</sup><sup>8,9,11</sup></font></p>     <p align="justify"><font face="verdana" size="2">Los quistes suprarrenales generalmente son sintom&aacute;ticos s&oacute;lo en 6% de los casos, manifest&aacute;ndose la mayor&iacute;a de las veces por dolor en el flanco, choque hipovol&eacute;mico o un cuadro cl&iacute;nico semejante al abdomen agudo, lo que es caracter&iacute;stico de quistes grandes, muy susceptibles a desarrollar complicaciones, tales como ruptura o hemorragia aguda. Se han reportado casos en los que se presenta hipertensi&oacute;n como parte del cuadro cl&iacute;nico. Un gran n&uacute;mero de los casos reportados corresponde a piezas de autopsia.<sup>10,</sup><sup>12,</sup><sup>13,</sup><sup>15,16</sup></font></p>     <p align="justify"><font face="verdana" size="2">Los hallazgos de laboratorio m&aacute;sf recuentes demuestran disminuci&oacute;n de la hemoglobina de m&aacute;s de 1.5 g/dL en 69% de los casos o una falla suprarrenal que se traduce en hiponatremia e hiperkalemia. Sin embargo estos hallazgos son poco frecuentes.<sup>8,10,14</sup></font></p>     <p align="justify"><font face="verdana" size="2">El ultrasonido la tomograf&iacute;a computada y la resonancia magn&eacute;tica nuclear tienen en general sensibilidad de 66.7%, 80% y 100% respectivamente. En el ultrasonido y la TAC los hallazgos correponden a una masa de ecogenicidad heterog&eacute;nea, que desplaza caudalmente el ri&ntilde;on, sin irrumpir en el par&eacute;nquima. En la resonancia magn&eacute;tica nuclear las lesiones son de alta intensidad en T1 y T2. La angiograf&iacute;a muestra una imagen hipovascular en la regi&oacute;n suprarrenal.<sup>17</sup></font></p>     <p align="justify"><font face="verdana" size="2">El diagn&oacute;stico diferencial incluye tumores no funcionantes y abscesos de la gl&aacute;ndula suprarrenal.<sup>2&#150;4</sup></font></p>     <p align="justify"><font face="verdana" size="2">El tratamiento quir&uacute;rgico (adrenalectom&iacute;a transabdominal) est&aacute; indicado cuando la lesi&oacute;n es grande y sintom&aacute;tica, no puede distinguirse de una neoplasia, si corresponde a una masa funcional o si existe hemorragia masiva. En caso de ser bilateral est&aacute; indicada la terapia sustitutiva hormonal desde el postquir&uacute;rgico.<sup>11,</sup><sup>13,</sup><sup>14,</sup><sup>18</sup></font></p>     <p align="justify"><font face="verdana" size="2">&nbsp;</font></p>     <p align="justify"><font face="verdana" size="2"><b><i>Descripci&oacute;n del caso</i></b></font></p>     ]]></body>
<body><![CDATA[<p align="justify"><font face="verdana" size="2">Mujer de 19 a&ntilde;os de edad con historia familiar de c&aacute;ncer de pulm&oacute;n, g&aacute;strico y de mama, alcoholismo social, nul&iacute;para, sin antecedentes quir&uacute;rgicos, al&eacute;rgicos, traum&aacute;ticos, transfusionales o de enfermedades cr&oacute;nico&#150;degenerativas.</font></p>     <p align="justify"><font face="verdana" size="2">Es valorada con un cuadro cl&iacute;nico de 48 hrs de evoluci&oacute;n de dolor s&uacute;bito punzante en hipocondrio derecho, que se irradia a la fosa il&iacute;aca derecha e incrementa con la inspiraci&oacute;n y el movimiento, asociado a n&aacute;usea sin emesis e hipertermia no cuantificada.</font></p>     <p align="justify"><font face="verdana" size="2">A la exploraci&oacute;n intranquila, facies &aacute;lgica, discreta palidez de tegumentos y leve deshidrataci&oacute;n. Abdomen globoso a expensas de pan&iacute;culo adiposo, peristalsis disminuida, resistencia muscular involuntaria de hemiabdomen derecho, con dolor en la misma &aacute;rea a la palpaci&oacute;n superficial y profunda, pero de predominio en fosa il&iacute;aca ipsilateral. No se delimitan masas intraabdominales. Signo de von Blumberg, obturador y psoas positivos, Giordano negativo.</font></p>     <p align="justify"><font face="verdana" size="2">Mostr&oacute; en sus ex&aacute;menes de laboratorio Hb de 12.4, discreta leucocitos (11,900), con predominio de polimorfonucleares (77%) y sin bandemia. La qu&iacute;mica sangu&iacute;nea, electrolitos s&eacute;ricos y tiempos de coagulaci&oacute;n normales, con un examen general de orina en el que s&oacute;lo se hac&iacute;a notar un pH de 5.5, huellas de hemoglobina y en el sedimiento 2&#150;5 eritrocitos y 5 a 10 leucocitos por campo.</font></p>     <p align="justify"><font face="verdana" size="2">El ultrasonido abdominal demostr&oacute; una masa de ecogenicidad heterog&eacute;nea en el espacio de Morrison de 81X85 mm, con ri&ntilde;on ipsilateral desplazado caudalmente pero sin afecci&oacute;n parenquimatosa (<a href="#f1">Figura 1</a>). En la tomograf&iacute;a abdominop&eacute;lvica se corrobora una masa subhep&aacute;tica de contornos regulares y densidad similar al par&eacute;nquima hep&aacute;tico y que no refuerza con la aplicaci&oacute;n de medio de contraste IV, adem&aacute;s de desplazamiento caudal del ri&ntilde;on derecho. Unoy otro r&iacute;&ntilde;ones con captaci&oacute;n, concentraci&oacute;n y eliminaci&oacute;n adecuada del medio de contraste (<a href="#f2">Figura 2&#150;A y 2&#150;B</a>).</font></p>     <p align="center"><font face="verdana" size="2"><a name="f1"></a></font></p>     <p align="center"><font face="verdana" size="2"><img src="/img/revistas/gmm/v140n5/a12f1.jpg"></font></p>     <p align="center"><font face="verdana" size="2"><a name="f2"></a></font></p>     <p align="center"><font face="verdana" size="2"><img src="/img/revistas/gmm/v140n5/a12f2.jpg"></font></p>     <p align="justify"><font face="verdana" size="2">Por los datos cl&iacute;nicos sugestivos de abdomen agudo se somete a laparotom&iacute;a exploradora realiz&aacute;ndose apendicectom&iacute;a y suprarrenalectom&iacute;a simple.</font></p>     ]]></body>
<body><![CDATA[<p align="justify"><font face="verdana" size="2">Se realiza estudio histopatol&oacute;gico donde se encuentra: gl&aacute;ndula suprarrenal derecha con trombosis sinusoidal reciente. Necrosis y hemorragia masiva conformaci&oacute;n de pseudoquiste, no se observa neoplasia maligna, ap&eacute;ndice sin alteraciones histol&oacute;gicas significativas (<a href="#f3">Figura 3</a>).</font></p>     <p align="center"><font face="verdana" size="2"><a name="f3"></a></font></p>     <p align="center"><font face="verdana" size="2"><img src="/img/revistas/gmm/v140n5/a12f3.jpg"></font></p>     <p align="justify"><font face="verdana" size="2">La paciente en este momento se encuentra en buenas condiciones, sin alteraciones sugestivas de insuficiencia suprarrenal y sin otra patolog&iacute;a demostrable en los estudios de extensi&oacute;n.</font></p>     <p align="justify"><font face="verdana" size="2">&nbsp;</font></p>     <p align="justify"><font face="verdana" size="2"><b>Discusi&oacute;n</b></font></p>     <p align="justify"><font face="verdana" size="2">La frecuencia con la que se detectan las hemorragias suprarrenales depende de su &iacute;ndice de sospecha. En nuestro caso, la hemorragia aguda fue la que ocasion&oacute; el cuadro cl&iacute;nico tan manifiesto, y el dolor abdominal fue el dato pivote. Los datos bioqu&iacute;micos de falla adrenal no son comunes y en nuestro caso no se presentaron, no obstante creemos que estos datos pueden no solo estar presentes en pacientes con falla adrenal, sino adem&aacute;s en pacientes cr&iacute;ticamente enfermos sin lesiones suprarrenales.</font></p>     <p align="justify"><font face="verdana" size="2">El descubrimiento de hemorragia suprarrenal inexplicable, especialmente bilateral porque debe conducir a una b&uacute;squeda de factores predisponentes, tales como el anticoagulante l&uacute;pico. La presencia de anticoagulante l&uacute;pico circulante tiene implicaciones terap&eacute;uticas, ya que indica una anticoagulaci&oacute;n de larga duraci&oacute;n. En situaciones que se caracterizan por sepsis, estr&eacute;s severo, tales como el estr&eacute;s respiratorio agudo severo o falla org&aacute;nica m&uacute;ltiple, la hemorragia suprarrenal es un indicador de severidad m&aacute;s que un cuadro cl&iacute;nico paralelo.</font></p>     <p align="justify"><font face="verdana" size="2">&nbsp;</font></p>     <p align="justify"><font face="verdana" size="2"><b>Referencias</b></font></p>     ]]></body>
<body><![CDATA[<!-- ref --><p align="justify"><font face="verdana" size="2">1.<b> Chew SP, Sim R, Teoh TA, Low CH. </b>Haemorrhage into non&#150;functioning adrenal cysts: Report of two cases and review of the literature. Ann Acad Med  Singapore 1999; 28(6):863&#150;6.</font>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=3827003&pid=S0016-3813200400050001200001&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --><!-- ref --><p align="justify"><font face="verdana" size="2">2.<b> Bellantone R et al. </b>Adrenal cystic lesions: Report of 12 surgically treated cases and review of the literature. 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Hinyokika Kiyo  1998; 44(11):805&#150;807.</font>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=3827008&pid=S0016-3813200400050001200006&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --><!-- ref --><p align="justify"><font face="verdana" size="2">7.<b> Ognibene AJ, McBride H.</b> Adrenal hemorrhage: A complication of anticoagulant therapy&#150; a case history. 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