<?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>0120-8748</journal-id>
<journal-title><![CDATA[Acta Neurológica Colombiana]]></journal-title>
<abbrev-journal-title><![CDATA[Acta Neurol Colomb.]]></abbrev-journal-title>
<issn>0120-8748</issn>
<publisher>
<publisher-name><![CDATA[Asociación Colombiana de Neurología]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0120-87482013000200009</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Adenocarcinoma ductal de páncreas con metástasis cerebral]]></article-title>
<article-title xml:lang="en"><![CDATA[Pancreatic ductal adenocarcinoma with brain metastases]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Parra]]></surname>
<given-names><![CDATA[Viviana]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Agudelo]]></surname>
<given-names><![CDATA[Natalia]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Calderón]]></surname>
<given-names><![CDATA[Mauricio]]></given-names>
</name>
<xref ref-type="aff" rid="A02"/>
</contrib>
</contrib-group>
<aff id="A01">
<institution><![CDATA[,Universidad de La Sabana  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
</aff>
<aff id="A02">
<institution><![CDATA[,Universidad de La Sabana  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>04</month>
<year>2013</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>04</month>
<year>2013</year>
</pub-date>
<volume>29</volume>
<numero>2</numero>
<fpage>118</fpage>
<lpage>123</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_arttext&amp;pid=S0120-87482013000200009&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_abstract&amp;pid=S0120-87482013000200009&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_pdf&amp;pid=S0120-87482013000200009&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Se presenta el caso de una mujer de 43 años, quien ingreso por cefalea intensa asociada a episodios de vómito bilioso. Inicialmente se enfocó como cefalea de etiología migrañosa y a pesar del tratamiento presentó deterioro clínico por lo cual se realizaron estudios imagenológicos que demostraron lesiones compatibles con evento vascular isquémico subagudo cerebeloso superior derecho, con signos de ruptura parcial de la barrera hemantoencefálica. La paciente continuó con deterioro clínico y presentó signos de respuesta inflamatoria sistémica e hiperglicemias de difícil control con posterior paro cardiorrespiratorio y muerte, se documentó en la patología adenocarcinoma de páncreas con metástasis cerebral.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[We present a case of a 43 year old woman who presented to the emergency department with neurological symptoms given by severe headache and vomiting. At the begining the case was interpretated as a migraine but due to persistente headache and clinical deterioration neuroimages were performed showing cerebellar lesions sugestive of ischemic infarction with sings of rupture of the hematoencephalic barrier. In spite of medical treatment the clinical state deteriorated showing up systemic inflamatory reponse and refractory hyperglycemia. After somedays the patient presented cardiorespiratory failure and death. In the necropsy a pancreatic adenocarcinoma metastasic to brain was diagnosed.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Adenocarcinoma de Páncreas]]></kwd>
<kwd lng="es"><![CDATA[Metástasis]]></kwd>
<kwd lng="es"><![CDATA[Cerebro]]></kwd>
<kwd lng="es"><![CDATA[Hiperglicemia]]></kwd>
<kwd lng="en"><![CDATA[Pancreatic Adenocarcinoma]]></kwd>
<kwd lng="en"><![CDATA[Brain]]></kwd>
<kwd lng="en"><![CDATA[Metastasis]]></kwd>
<kwd lng="en"><![CDATA[Hyperglicemia]]></kwd>
</kwd-group>
</article-meta>
</front><body><![CDATA[  <font size="2" face="Verdana">     <p align="right">Caso cl&iacute;nico</p>      <p align="center"><font size="4"><b>Adenocarcinoma ductal de p&aacute;ncreas con met&aacute;stasis cerebral</b></font></p>      <p align="center"><font size="3"><b>Pancreatic ductal adenocarcinoma with brain metastases</b></font></p>      <p align="center">Viviana Parra, Natalia Agudelo, Mauricio Calder&oacute;n</p>       <p>Viviana Parra, Natalia Agudelo, </b>Residentes II a&ntilde;o de Medicina Interna, Universidad de La Sabana.    <br>  Mauricio Calder&oacute;n,</b> M&eacute;dico Internista, Hospital Universitario La Samaritana.</p>      <p><b>Correspondencia: </b><a href="mailto:nagudelov@gmail.com">nagudelov@gmail.com</a></p>      <p>Recibido: 20/10/12. Revisado: 29/03/13. Aceptado: 02/05/13.</p>   <hr>      <p><b>RESUMEN</b></p>      ]]></body>
<body><![CDATA[<p>Se presenta el caso de una mujer de 43 a&ntilde;os, quien ingreso por cefalea intensa asociada a episodios de v&oacute;mito bilioso. Inicialmente se enfoc&oacute; como cefalea de etiolog&iacute;a migra&ntilde;osa y a pesar del tratamiento present&oacute; deterioro cl&iacute;nico por lo cual se realizaron estudios  imagenol&oacute;gicos que demostraron lesiones compatibles con evento vascular isqu&eacute;mico subagudo cerebeloso superior derecho, con signos de ruptura parcial de la barrera hemantoencef&aacute;lica. La paciente continu&oacute; con deterioro cl&iacute;nico y present&oacute; signos de respuesta inflamatoria sist&eacute;mica e hiperglicemias de dif&iacute;cil control con posterior paro cardiorrespiratorio y muerte, se document&oacute; en la patolog&iacute;a adenocarcinoma de p&aacute;ncreas con met&aacute;stasis cerebral.</p>      <p><b>PALABRAS CLAVE:</b> Adenocarcinoma de P&aacute;ncreas, Met&aacute;stasis, Cerebro, Hiperglicemia (DeCS).</p>  <hr>      <p><b>SUMMARY</b></p>      <p>We present a case of a 43 year old woman who presented to the emergency department with neurological symptoms given by severe headache and vomiting. At the begining the case was interpretated as a migraine but due to persistente headache and clinical deterioration neuroimages were performed showing cerebellar lesions sugestive of ischemic infarction with sings of rupture of the hematoencephalic barrier. In spite of medical treatment the clinical state deteriorated showing up systemic inflamatory reponse and refractory hyperglycemia. After somedays the patient presented cardiorespiratory failure and death. In the necropsy a pancreatic adenocarcinoma metastasic to brain was diagnosed.</p>      <p><b>KEY WORDS:</b> Pancreatic Adenocarcinoma, Brain, Metastasis, Hyperglicemia (MeSH).</p>  <hr>      <p><font size="3"><b>INTRODUCCI&Oacute;N</b></font></p>      <p>El c&aacute;ncer de p&aacute;ncreas es el quinto m&aacute;s frecuente en occidente, con incidencia de 9 casos por cada 100.000 habitantes. Este tumor es solo superado en frecuencia por el c&aacute;ncer de pulm&oacute;n, el colorrectal, el de mama y de pr&oacute;stata. Se trata de una enfermedad en la que a pesar de las m&uacute;ltiples modalidades terap&eacute;uticas desarrolladas, el pron&oacute;stico sigue siendo sombr&iacute;o. Menos de 20 % de los pacientes afectados sobrevive 1 a&ntilde;o despu&eacute;s del diagn&oacute;stico y la supervivencia global a 5 a&ntilde;os es solo del 3 %. Aproximadamente 95 % de los tumores malignos se originan en el p&aacute;ncreas exocrino y generalmente son clasificados histol&oacute;gicamente como adenocarcinomas, los que en su mayor&iacute;a provienen del sistema ductal (1,2).</p>      <p>Los adenocarcinomas suelen aparecer en la cabeza del p&aacute;ncreas hasta en 2/3 de los casos. Estos tumores usualmente se detectan en un estadio m&aacute;s temprano que los de cuerpo y la cola, debido a que desarrollan s&iacute;ndrome &iacute;ctero obstructivo precozmente. En las fases tard&iacute;as se presentan met&aacute;stasis las cuales t&iacute;picamente se aprecian en h&iacute;gado, pulm&oacute;n y peritoneo, sin embargo en este caso se describe una presentaci&oacute;n inusual de adenocarcinoma de p&aacute;ncreas sin s&iacute;ndrome biliobstructivo como primera manifestaci&oacute;n y si con met&aacute;stasis cerebral (1).</p>      <p><b>Presentaci&oacute;n de caso</b></p>      <p>Paciente femenina de 43 a&ntilde;os, quien consult&oacute; por 1 mes de evoluci&oacute;n de cefalea holocraneana tipo puls&aacute;til, asociada a v&eacute;rtigo, dificultad intermitente para hablar y fosfenos. Se automedicaba con acetaminof&eacute;n 2 gramos/d&iacute;a sin mejor&iacute;a.</p>      ]]></body>
<body><![CDATA[<p>A la revisi&oacute;n por sistemas refiri&oacute; hemorragia vaginal 3 meses antes, diuresis y deposiciones normales. Dentro de los antecedentes present&oacute; c&aacute;ncer de c&eacute;rvix en el 2008 con citolog&iacute;a cervicovaginal del 2010 con lesi&oacute;n intraepitelial (LEI) de alto grado, adicionalmente refiri&oacute; trombosis venosa yugular izquierda hace 3 meses antes.</p>      <p>Al examen f&iacute;sico: TA 130/70 mmHg, FR 16 por minuto, FC 78 por minuto, T 36,6 &deg;C Hidratada, cuello normal, cardiopulmonar y abdomen normal, Neurol&oacute;gico: alerta, orientada, disl&aacute;lica, isocoria normoreactiva a la luz, movilizaba las 4 extremidades, no ten&iacute;a dismetr&iacute;a, ni disdiadocinesia, Romberg negativo, reflejos musculo tendinosos ++/++++.</p>      <p>Se consider&oacute; inicialmente por historia compatible con migra&ntilde;a con aura y se inici&oacute; manejo con antiinflamatorios no esteroideos (AINES); sin embargo, por ser el primer episodio de dif&iacute;cil control y alteraci&oacute;n del habla se decidi&oacute; tomar TAC el cual no mostr&oacute; hallazgos significativos.</p>      <p>La paciente persisti&oacute; con cefalea, se inici&oacute; amitriptilina, haloperidol y dexametasona sin mejor&iacute;a. Se realiza punci&oacute;n lumbar la cual no mostr&oacute; alteraci&oacute;n, pero por la persistencia de los s&iacute;ntomas se sospech&oacute; trombosis de senos venosos y se inici&oacute; anticoagulaci&oacute;n terap&eacute;utica, se realiz&oacute; doppler carot&iacute;deo sin alteraciones.</p>      <p>Fue valorada por el servicio de ginecolog&iacute;a por antecedente de neoplasia cervicouterina. Sin embargo ellos descartaron reca&iacute;da y consideraron que el cuadro de la paciente no se explicaba por patolog&iacute;a ginecol&oacute;gica.</p>      <p>Al 4 d&iacute;a de estancia hospitalaria la paciente present&oacute; deterioro neurol&oacute;gico raz&oacute;n por la cual se realiz&oacute; resonancia magn&eacute;tica cerebral que evidenci&oacute; hipo e hiperintensidad focal cerebelosa superior derecha en las secuencia T1 - T2, con aumento de intensidad en las secuencias de FLAIR y T2 con captaciones aisladas en la fase contrastada con leve efecto compresivo local (<a href="#fig1">Figura 1</a>). Estos hallazgos plantearon evento vascular isqu&eacute;mico subagdo cerebeloso superior derecho con signos de ruptura parcial de la barrera hemantoencef&aacute;lica versus presencia de masa.</p>      <p align="center"><a name="fig1"></a><img src="img/revistas/anco/v29n2/v29n2a09f1.jpg"></p>      <p>La paciente continu&oacute; con deterioro neurol&oacute;gico, estuporosa, con rigidez nucal y alteraci&oacute;n los pares III, VI, VII, IX y X, reflejo plantar extensor derecho, con signos de respuesta inflamatoria sist&eacute;mica. Se report&oacute; ELISA para VIH negativo y glucometr&iacute;as persistentemente elevadas. Se realiz&oacute; panangiograf&iacute;a que evidenci&oacute; placa ateromatosa de paredes lisas en segmento V3 derecho con disminuci&oacute;n de la luz en un 40%, sin repercusi&oacute;n hemodin&aacute;mica. Ausencia de opacificaci&oacute;n de la arteria cerebelosa &iacute;nfero-anterior (AICA) derecha con espectroscopia que confirm&oacute; evento isqu&eacute;mico. La paciente continu&oacute; con evoluci&oacute;n t&oacute;rpida requiriendo intubaci&oacute;n orotraqueal y soporte vasopresor, realizaci&oacute;n de venticulostom&iacute;a por hidrocefalia no comunicante y progresi&oacute;n del edema cerebral con posterior hernia encef&aacute;lica irreversible y muerte.</p>      <p>Se realiz&oacute; autopsia en la cual se document&oacute; adenocarcinoma de p&aacute;ncreas con met&aacute;stasis cerebral (<a href="#fig2">Figuras 2</a> y <a href="#fig3">3</a>).</p>      <p align="center"><a name="fig2"></a><img src="img/revistas/anco/v29n2/v29n2a09f2.jpg"></p>      ]]></body>
<body><![CDATA[<p align="center"><a name="fig3"></a><img src="img/revistas/anco/v29n2/v29n2a09f3.jpg"></p>       <p><font size="3"><b>DISCUSI&Oacute;N</b></font></p>      <p>El adenocarcinoma de p&aacute;ncreas es la neoplasia maligna m&aacute;s frecuente del p&aacute;ncreas, se origina de las c&eacute;lulas epiteliales ductales del p&aacute;ncreas exocrino con un pron&oacute;stico ominoso dado que la gran mayor&iacute;a de los casos se presentan en estadios avanzados (1). En el 2008 en Estados Unidos se estim&oacute; un n&uacute;mero de 37680 nuevos casos de c&aacute;ncer pancre&aacute;tico (2), report&aacute;ndose una supervivencia de solo el 4 % a los 5 a&ntilde;os despu&eacute;s del diagn&oacute;stico (3). Este tipo de c&aacute;ncer re&uacute;ne los dos tercios de c&aacute;nceres originados en el p&aacute;ncreas es prevalente en hombres y si reporta como la cuarta causa de muerte relacionada con neoplasias en americanos. Su alta mortalidad se determina b&aacute;sicamente por 3 factores; el dif&iacute;cil diagn&oacute;stico, la gran agresividad y la resecci&oacute;n quir&uacute;rgica dif&iacute;cil que es el &uacute;nico tratamiento curativo (4).</p>      <p align="center"><a name="tab1"></a><img src="img/revistas/anco/v29n2/v29n2a09t1.jpg"></p>      <p>La etiolog&iacute;a del c&aacute;ncer pancre&aacute;tico es desconocida, sin embargo, en la mayor&iacute;a de estos canceres se detectan alteraciones gen&eacute;ticas o cromos&oacute;micas. En 70 % de casos se determin&oacute; mutaci&oacute;n en el oncogen kras aunque existen otras alteraciones gen&eacute;ticas como delecciones o mutaciones del gen supresor p53, APC o DCC. Los factores de riesgo m&aacute;s frecuentes para esta neoplasia son el antecedente familiar del c&aacute;ncer de p&aacute;ncreas, la edad avanzada, el tabaquismo, la obesidad, la dieta pobre en  fruta y vegetales, la pancreatitis cr&oacute;nica (5-8).</p>      <p>Este c&aacute;ncer es asintom&aacute;tico en las fases iniciales de la enfermedad o se puede presentar con s&iacute;ntomas constitucionales dados por p&eacute;rdida de peso, diaforesis, diabetes, o s&iacute;ntomas relacionados con s&iacute;ndrome biliar obstructivo (9). De estos el s&iacute;ntoma m&aacute;s frecuente, es el dolor abdominal generalmente en hipogastrio irradiado en banda, de predominio nocturno que empeora con las comidas. El dolor obedece principalmente a invasi&oacute;n perineural del plejo cel&iacute;aco y por obstrucci&oacute;n parcial o total del conducto pancre&aacute;tico, lo cual contrasta con las manifestaciones presentadas por nuestra paciente, ya que su sintomatolog&iacute;a fue principalmente secundaria a la met&aacute;stasis en el sistema nervioso central nunca presento s&iacute;ntomas abdominales enmascarando as&iacute; la sospecha cl&iacute;nica de una neoplasia de origen gastrointestinal.</p>      <p>Los pacientes con adenocarcinoma pancre&aacute;tico rara vez debutan con met&aacute;stasis al sistema nervioso central; generalmente las met&aacute;stasis del c&aacute;ncer de p&aacute;ncreas se presentan como carcinomatosis peritoneal y hep&aacute;ticas (10), sin embargo, en 1939 Scheinker report&oacute; el primer caso de un paciente con carcinomatosis men&iacute;ngea cuyo primario era c&aacute;ncer pancre&aacute;tico el cual fue confirmado por autopsia. (11). En 1977 Demechuk describi&oacute; el primer caso de met&aacute;stasis similares cuyo primario era desconocido y se determin&oacute; de la misma manera que en este caso, anatomopatol&oacute;gicamente, que el primario era adenocarcinoma de p&aacute;ncreas.</p>      <p>Se realizo una b&uacute;squeda sistem&aacute;tica en la cual se encontraron 31 art&iacute;culos en la literatura desde 1939 al 2011 donde se documentaron 54 casos de c&aacute;ncer de p&aacute;ncreas exocrino que presentaron met&aacute;stasis cerebral, los cuales se presentan en la tabla 1 (10, 11, 14-41). En los &uacute;ltimos a&ntilde;os se ha documentado un aumento en la incidencia de las met&aacute;stasis cerebrales pero secundarias a otros carcinomas, ocupando el primer lugar el c&aacute;ncer pulmonar de c&eacute;lulas no peque&ntilde;as, quiz&aacute;s secundario a una mejor&iacute;a en la estrategia diagn&oacute;stica (12).</p>      <p>En conclusi&oacute;n reportamos un caso inusual, el primero en Latinoam&eacute;rica seg&uacute;n la literatura, de met&aacute;stasis cerebrales con adenocarcinoma pancre&aacute;tico como tumor primario, el cual se desarroll&oacute; inicialmente con sintomatolog&iacute;a neurol&oacute;gica y teniendo en cuenta la literatura que reporta otros casos similares hay que recordar que esta neoplasia pertenece a un subgrupo de tumores con alta agresividad tanto local como metast&aacute;sica sin patr&oacute;n definido de siembras a distancia, por lo que el paciente que ingrese con s&iacute;ntomas neurol&oacute;gicos y tenga sospecha imagenol&oacute;gica de c&aacute;ncer metast&aacute;sico, debe tenerse en cuenta el adenocarcinoma de p&aacute;ncreas como una posibilidad de primario no conocido (13).</p>  <hr>      <p><font size="3"><b>REFERENCIAS</b></font></p>      ]]></body>
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<body><![CDATA[ ]]></body><back>
<ref-list>
<ref id="B1">
<label>1</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
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<surname><![CDATA[LOWENFELS]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[MAISONNEUVE]]></surname>
<given-names><![CDATA[P]]></given-names>
</name>
</person-group>
<article-title xml:lang="en"><![CDATA[Pancreatic cancer: development of a unifying etiologic concept]]></article-title>
<source><![CDATA[Ann NY Acad Sci]]></source>
<year>1999</year>
<volume>880</volume>
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<article-title xml:lang="en"><![CDATA[Multimodality therapy for pancreatic cancer in the U.S.: utilization, outcomes, and the effect of hospital volume]]></article-title>
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