<?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>0034-7531</journal-id>
<journal-title><![CDATA[Revista Cubana de Pediatría]]></journal-title>
<abbrev-journal-title><![CDATA[Rev Cubana Pediatr]]></abbrev-journal-title>
<issn>0034-7531</issn>
<publisher>
<publisher-name><![CDATA[Centro Nacional de Información de Ciencias MédicasEditorial Ciencias Médicas]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0034-75312011000300007</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Síndrome opercular o síndrome perisilviano]]></article-title>
<article-title xml:lang="en"><![CDATA[Operculum syndrome or perisylvian syndrome]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Vargas Díaz]]></surname>
<given-names><![CDATA[José]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Garófalo Gómez]]></surname>
<given-names><![CDATA[Nicolás]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Nova López]]></surname>
<given-names><![CDATA[Lucía Margarita]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Bermúdez Linares]]></surname>
<given-names><![CDATA[Vivian]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Rojas Masippe]]></surname>
<given-names><![CDATA[Edelsia]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Zaldívar Vaillant]]></surname>
<given-names><![CDATA[Tatiana]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
</contrib-group>
<aff id="A01">
<institution><![CDATA[,Instituto de Neurología y Neurocirugía  ]]></institution>
<addr-line><![CDATA[La Habana ]]></addr-line>
<country>Cuba</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>09</month>
<year>2011</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>09</month>
<year>2011</year>
</pub-date>
<volume>83</volume>
<numero>3</numero>
<fpage>278</fpage>
<lpage>287</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_arttext&amp;pid=S0034-75312011000300007&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_abstract&amp;pid=S0034-75312011000300007&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_pdf&amp;pid=S0034-75312011000300007&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[El interés de los autores es llamar la atención sobre el síndrome opercular, y estimular con ello su identificación en la práctica neuropediátrica. Se realizó una búsqueda en PubMed desde febrero de 2005 hasta septiembre de 2010, y se comentaron los artículos que, a consideración de los autores, mostraban los diferentes aspectos del concepto, historia, características clínicas, causas, así como del diagnóstico, evolución y pronóstico. El síndrome opercular puede ser de causa congénita o adquirida; en los adultos es más frecuente por infarto cerebral opercular bilateral, no así en los niños, en los que se puede presentar por diferentes causas, desde trastornos de la migración neuroblástica, hasta en la epilepsia. En niños epilépticos se debe estar atento a su evolución, ya que tanto por el tipo de epilepsia o síndrome epiléptico, como por la medicación antiepiléptica usada, puede presentarse este síndrome, teniendo una gran significación su identificación rápida y tratamiento adecuado.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[The interest of authors is to attract attention on operculum syndrome and thus to stimulate its identification in the neuropediatric practice. A search in PubMed from February, 2005 to September, 2010 was made commenting on papers that according authors showed the different features of concept, history, clinical features, causes, as well as diagnosis, evolution and prognosis. The operculum syndrome may be congenital or acquired; ion adults is more frequent by bilateral operculum cerebral infarction, but not in children in whom it may be present by different causes, from neuroblast migration to epilepsy. In the case of epileptic children it is necessary to pay attention to its course since due to the type of epilepsy or epileptic syndrome or due to antiepileptic drug used, this syndrome may be present, considering very much its fast identification and appropriate treatment.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[síndrome opercular]]></kwd>
<kwd lng="es"><![CDATA[síndrome perisilviano]]></kwd>
<kwd lng="es"><![CDATA[síndrome epiléptico opercular]]></kwd>
<kwd lng="es"><![CDATA[epilepsia parcial benigna idiopática]]></kwd>
<kwd lng="en"><![CDATA[operculum syndrome]]></kwd>
<kwd lng="en"><![CDATA[perisylvian syndrome]]></kwd>
<kwd lng="en"><![CDATA[operculum epileptic syndrome]]></kwd>
<kwd lng="en"><![CDATA[idiopathic benign partial epilepsy]]></kwd>
</kwd-group>
</article-meta>
</front><body><![CDATA[ <p align="right"><font face="Verdana, Arial, Helvetica, sans-serif" size="2">    <B>ART&Iacute;CULOS DE REVISI&Oacute;N </B></font></p>     <p><B> </B></p> <B>      <P>      <P><font face="Verdana, Arial, Helvetica, sans-serif" size="4">S&iacute;ndrome    opercular o s&iacute;ndrome perisilviano</font>      <P>      <P><font face="Verdana, Arial, Helvetica, sans-serif" size="3">Operculum syndrome    or perisylvian syndrome</font>     <br>     <P>     <P> </B>      <P>     ]]></body>
<body><![CDATA[<P><b><font face="Verdana, Arial, Helvetica, sans-serif" size="2">Jos&eacute;    Vargas D&iacute;az,<SUP> I</SUP> Nicol&aacute;s Gar&oacute;falo G&oacute;mez,<SUP>II</SUP>    Luc&iacute;a Margarita Nova L&oacute;pez,<SUP>III </SUP>Vivian Berm&uacute;dez    Linares,<SUP>I </SUP>Edelsia Rojas Masippe,<sup>I</sup> Tatiana Zald&iacute;var    Vaillant<sup>I</sup><SUP>V</SUP></font></b>      <P>      <P><font face="Verdana, Arial, Helvetica, sans-serif" size="2"><SUP>I</SUP>Especialista    de II Grado en Pediatr&iacute;a. Instituto de Neurolog&iacute;a y Neurocirug&iacute;a.    La Habana, Cuba.     <br>   </font><font face="Verdana, Arial, Helvetica, sans-serif" size="2"><SUP>II</SUP>Especialista    de II Grado en Neurolog&iacute;a. Instituto de Neurolog&iacute;a y Neurocirug&iacute;a.    La Habana, Cuba.    <br>   </font><font face="Verdana, Arial, Helvetica, sans-serif" size="2"><SUP>III</SUP>Especialista    de I Grado en Pediatr&iacute;a. Instituto de Neurolog&iacute;a y Neurocirug&iacute;a.    La Habana, Cuba.    <br>   </font><font face="Verdana, Arial, Helvetica, sans-serif" size="2"><SUP>IV</SUP></font><font face="Verdana, Arial, Helvetica, sans-serif" size="2">Especialista    de II en Gen&eacute;tica. Instituto de Neurolog&iacute;a y Neurocirug&iacute;a.    La Habana, Cuba. </font>      <P>     <P> <hr size="1" noshade> <font face="Verdana, Arial, Helvetica, sans-serif" size="2"><B>RESUMEN</B> </font>      <P><font face="Verdana, Arial, Helvetica, sans-serif" size="2">El inter&eacute;s    de los autores es llamar la atenci&oacute;n sobre el s&iacute;ndrome opercular,    y estimular con ello su identificaci&oacute;n en la pr&aacute;ctica neuropedi&aacute;trica.    Se realiz&oacute; una b&uacute;squeda en PubMed desde febrero de 2005 hasta    septiembre de 2010, y se comentaron los art&iacute;culos que, a consideraci&oacute;n    de los autores, mostraban los diferentes aspectos del concepto, historia, caracter&iacute;sticas    cl&iacute;nicas, causas,&#160;as&iacute; como del diagn&oacute;stico, evoluci&oacute;n    y pron&oacute;stico.&#160;El s&iacute;ndrome opercular puede ser&#160;de causa    cong&eacute;nita o adquirida; en los adultos es m&aacute;s frecuente por infarto    cerebral opercular bilateral, no as&iacute; en los ni&ntilde;os, en los que    se puede presentar por diferentes causas, desde trastornos de la migraci&oacute;n    neurobl&aacute;stica, hasta en la epilepsia. En ni&ntilde;os epil&eacute;pticos    se debe estar atento a su evoluci&oacute;n, ya que tanto por el tipo de epilepsia    o s&iacute;ndrome epil&eacute;ptico, como por la medicaci&oacute;n antiepil&eacute;ptica    usada, puede presentarse este s&iacute;ndrome, teniendo una gran significaci&oacute;n    su identificaci&oacute;n r&aacute;pida y&#160;tratamiento adecuado. </font>     <P><font face="Verdana, Arial, Helvetica, sans-serif" size="2"><B>Palabras clave:</B>    s&iacute;ndrome opercular, s&iacute;ndrome perisilviano, s&iacute;ndrome epil&eacute;ptico    opercular, epilepsia parcial benigna idiop&aacute;tica.&#160; </font>  <hr size="1" noshade>     ]]></body>
<body><![CDATA[<P><font face="Verdana, Arial, Helvetica, sans-serif" size="2"><b>ABSTRACT</b>    <br>       <br>   The interest of authors is to attract attention on operculum syndrome and thus    to stimulate its identification in the neuropediatric practice. A search in    PubMed from February, 2005 to September, 2010 was made commenting on papers    that according authors showed the different features of concept, history, clinical    features, causes, as well as diagnosis, evolution and prognosis. The operculum    syndrome may be congenital or acquired; ion adults is more frequent by bilateral    operculum cerebral infarction, but not in children in whom it may be present    by different causes, from neuroblast migration to epilepsy. In the case of epileptic    children it is necessary to pay attention to its course since due to the type    of epilepsy or epileptic syndrome or due to antiepileptic drug used, this syndrome    may be present, considering very much its fast identification and appropriate    treatment.</font>     <p><font face="Verdana, Arial, Helvetica, sans-serif" size="2"><b>Key words:</b>    operculum syndrome, perisylvian syndrome, operculum epileptic syndrome, idiopathic    benign partial epilepsy. </font>  <hr size="1" noshade>     <P>     <P>      <P><font face="Verdana, Arial, Helvetica, sans-serif" size="3"><B>INTRODUCCI&Oacute;N</B>    </font>      <P><font face="Verdana, Arial, Helvetica, sans-serif" size="2">Sinonimia: s&iacute;ndrome    Foix-Chavany-Marie. </font>     <P><font face="Verdana, Arial, Helvetica, sans-serif" size="2">Se conoce con el    nombre de op&eacute;rculo<SUP>1</SUP> la porci&oacute;n de telecorteza cerebral    que cubre el l&oacute;bulo de la &iacute;nsula, es decir los labios superior    e inferior de la cisura de Silvio. Existe una porci&oacute;n opercular frontal,    una parietal y otra temporal (<font color="#000000"><a href="#fig">figura</a></font>).    Cuando esta zona opercular resulta afectada, uni o bilateralmente, ya sea estructural    o funcionalmente, de forma persistente o intermitente,<SUP>2 </SUP>los enfermos    presentan una serie de manifestaciones cl&iacute;nicas conocidas como s&iacute;ndrome    opercular o perisilviano. El s&iacute;ndrome opercular es una forma rara de    par&aacute;lisis seudobulbar,<SUP>3</SUP> caracterizado por: </font>      <blockquote>       ]]></body>
<body><![CDATA[<p><font face="Verdana, Arial, Helvetica, sans-serif" size="2">&#183; Diplej&iacute;a      facio-faringo-gloso-masticatoria.    <br>     </font><font face="Verdana, Arial, Helvetica, sans-serif" size="2">&#183;      Debilidad facial con disociaci&oacute;n voluntario-autom&aacute;tica, con      abolici&oacute;n de los movimientos voluntarios y conservaci&oacute;n de los      autom&aacute;ticos y reflejos, con debilidad de la musculatura masticatoria      y far&iacute;ngea. </font> </p> </blockquote>     <P><font face="Verdana, Arial, Helvetica, sans-serif" size="2">Los enfermos pierden    el uso voluntario de la musculatura facial, de los labios, la lengua y la faringe.    No pueden dar besos, mover los labios, sacar la lengua y mantienen un saliveo    permanente, no obstante, de forma autom&aacute;tica, pueden llorar o re&iacute;r    utilizando dicha musculatura. En ocasiones, no pueden hablar, y pueden llegar    a una verdadera anartria, as&iacute; como pueden presentar dificultad para masticar    y deglutir.<SUP>2-4</SUP> </font>     <P align="center"><a name="fig"></a><img src="/img/revistas/ped/v83n3/f0107311.jpg" width="420" height="339">     
<P>     <P>      <P><font face="Verdana, Arial, Helvetica, sans-serif" size="3"><B>HISTORIA</B>    </font>     <P>      <P><font face="Verdana, Arial, Helvetica, sans-serif" size="2">El primer caso    fue reportado en el 1837 por <I>Magnus</I>. Posteriormente el s&iacute;ndrome    fue descrito por <I>Foix-Chavany-Marie</I> en 1926, y llamado s&iacute;ndrome    de Foix-Chavany-Marie (SFCM) por <I>Weller </I>en 1993.<SUP>5</SUP> En 1992,    <I>Septien L</I> y otros publicaron el quinto caso reportado con el nombre de    s&iacute;ndrome biopercular anterior agudo, en un paciente con epilepsia rol&aacute;ndica,    que presentaba bloqueo del habla, hipersalivaci&oacute;n, par&aacute;lisis de    los labios, de la lengua y de la faringe.<SUP>6</SUP> </font>     <P>     ]]></body>
<body><![CDATA[<P><font face="Verdana"><b>ETIOLOG&Iacute;A </b></font>     <P>      <P><font face="Verdana, Arial, Helvetica, sans-serif" size="2"><I>Weller M</I>,    en 1993,<SUP>7</SUP> revis&oacute; la literatura m&eacute;dica hasta ese momento    y encontr&oacute; 62 casos del s&iacute;ndrome de Foix-Chavany-Marie, e hizo    la diferenciaci&oacute;n etiol&oacute;gica de 5 subtipos cl&iacute;nicos: </font>      <blockquote>       <p><font face="Verdana, Arial, Helvetica, sans-serif" size="2">1. Cl&aacute;sica      y m&aacute;s frecuente, asociada a la enfermedad cerebrovascular.    <br>     </font><font face="Verdana, Arial, Helvetica, sans-serif" size="2">2. Subaguda,      causada por infecciones del sistema nervioso central.    <br>     </font><font face="Verdana, Arial, Helvetica, sans-serif" size="2">3. Relacionada      con trastornos de la migraci&oacute;n neuronal.    <br>     </font><font face="Verdana, Arial, Helvetica, sans-serif" size="2">4. Reversible,      en ni&ntilde;os con epilepsia.    <br>     </font><font face="Verdana, Arial, Helvetica, sans-serif" size="2">5. Rara,      asociada con enfermedades neurodegenerativas. </font> </p> </blockquote>     <P>      ]]></body>
<body><![CDATA[<P><font face="Verdana, Arial, Helvetica, sans-serif" size="2">Este autor comprob&oacute;    una lesi&oacute;n biopercular en 31 de 41 pacientes a trav&eacute;s de la TAC    o de la RMN cerebral, y por necropsia en 7 de 10 pacientes estudiados. Otros    autores<SUP>8</SUP> han coincidido con la heterogeneidad etiol&oacute;gica de    este s&iacute;ndrome. </font>     <P><font face="Verdana" size="2">Existen causas cong&eacute;nitas (trastornos    de migraci&oacute;n neurobl&aacute;stica), y otras adquiridas (</font><font face="Verdana, Arial, Helvetica, sans-serif" size="2">vasculares,    encefalitis por virus, epilepsia, traumas craneales, posquir&uacute;rgicas y    neurodegenerativas</font><font face="Verdana" size="2">). </font><font face="Verdana, Arial, Helvetica, sans-serif" size="2">El    compromiso de la regi&oacute;n opercular puede ser, como ya hemos dicho, uni    o bilateral, transitoria o permanente. </font>      <P>      <P><font face="Verdana, Arial, Helvetica, sans-serif" size="2"><B>I- Cong&eacute;nitas</B>    </font>     <P>      <P><font face="Verdana, Arial, Helvetica, sans-serif" size="2">Las causas cong&eacute;nitas    m&aacute;s frecuentes del s&iacute;ndrome perisilviano est&aacute;n dadas por    los trastornos de la migraci&oacute;n neurobl&aacute;stica,<SUP>9</SUP> sobre    todo, la polimicrogiria, que se desarrolla al final de las etapas de migraci&oacute;n    y en las fases m&aacute;s tempranas de la organizaci&oacute;n neuronal,<SUP>10</SUP>    que es el trastorno de migraci&oacute;n m&aacute;s frecuente en el s&iacute;ndrome    que nos ocupa,<SUP>2,11-13</SUP> en ocasiones asociada con otros trastornos    malformativos inespec&iacute;ficos<SUP>2,13 </SUP>o de gen&eacute;tica conocida,    como es el caso reportado por <I>Mastrangelo M</I> y otros, de un ni&ntilde;o    con neurofibromatosis tipo 1 y polimicrogiria bilateral opercular y </font><font face="Verdana, Arial, Helvetica, sans-serif" size="2">paracentral.<SUP>11</SUP>    La polimicrogiria ha sido reportada, de forma familiar, asociada a diferentes    trastornos del lenguaje, dentro del espectro cl&iacute;nico de este s&iacute;ndrome.<SUP>12,14</SUP>    El modo de herencia en las familias reportadas ha sido de transmisi&oacute;n    ligada al x o de tipo autos&oacute;mico dominante, donde pudo ser documentada    la transmisi&oacute;n var&oacute;n-var&oacute;n.<SUP>12</SUP> </font>      <P>      <P><font face="Verdana, Arial, Helvetica, sans-serif" size="2">Se ha planteado    por diferentes autores<SUP>8,15,16</SUP> que la disfunci&oacute;n perisilviana    cong&eacute;nita constituye un espectro en el que se superponen la polimicrogiria    perisilviana y la par&aacute;lisis suprabulbar cong&eacute;nita (s&iacute;ndrome    de Worster-Drought), ep&oacute;nimo que designa un trastorno del desarrollo    que cursa con cuadriparesia, par&aacute;lisis pseudobulbar, asociados con epilepsia,    trastornos del lenguaje y la conducta. El s&iacute;ndrome de Worster-Drought    se ha reportado representa el 1 % de los casos de par&aacute;lisis cerebral.<SUP>16-19</SUP>    </font>      <P>      <P><font face="Verdana, Arial, Helvetica, sans-serif" size="2">Macrogiria fue    reportada en 10 pacientes,<SUP>20</SUP> de edades entre 6 y 23 a&ntilde;os,    que presentaban retardo mental, par&aacute;lisis pseudobulbar (cortical o central)    y epilepsia, apoyando que esta asociaci&oacute;n representa un s&iacute;ndrome    an&aacute;tomo-cl&iacute;nico bien definido. </font>     ]]></body>
<body><![CDATA[<P>      <P><font face="Verdana, Arial, Helvetica, sans-serif" size="2">La displasia cortical    en el &aacute;rea opercular ha sido con frecuencia descrita, ya sea esta unilateral    o bilateral.<SUP>15,21-23</SUP> <I>Iannetti P</I> y otros<SUP>21</SUP> reportaron    una paciente de 15 a&ntilde;os, que fue diagnosticada con epilepsia centro temporal,    que evolucion&oacute; a un s&iacute;ndrome biopercular, y en la que la resonancia    magn&eacute;tica nuclear cerebral demostr&oacute; una displasia cortical. </font>     <P>      <P><font face="Verdana, Arial, Helvetica, sans-serif" size="2">Otras malformaciones,    como la hemimegalencefalia,<SUP>24</SUP> ha sido asociada a epilepsia parcial    continua progresiva y s&iacute;ndrome opercular reversible. <I>Carrascosa Romero</I>    y otros<SUP>25</SUP> reportaron una ni&ntilde;a, que al tercer d&iacute;a de    vida, comenz&oacute; con crisis cl&oacute;nicas del hemicuerpo derecho, un s&iacute;ndrome    opercular unilateral, y cl&iacute;nica de incontinencia pigmenti, y se comprob&oacute;    por TAC de cr&aacute;neo una disgenesia focal opercular izquierda. </font>     <P>      <P><font face="Verdana, Arial, Helvetica, sans-serif" size="2">Malformaciones    m&aacute;s complejas tambi&eacute;n han sido descritas en esta zona perisilviana    gracias a la resonancia magn&eacute;tica nuclear cerebral. <I>Rolland Y</I>    y otros,<SUP>26</SUP> por ejemplo, describen 11 ni&ntilde;os con malformaciones    complejas de ambas fisuras silvianas y el op&eacute;rculo fronto parietal, expresada    por diversas manifestaciones cl&iacute;nicas: un s&iacute;ndrome pseudobulbar    cong&eacute;nito (7 casos), trastornos motores (6 pacientes), retraso mental    (6 casos) y epilepsia (4 casos). </font>      <P><font face="Verdana, Arial, Helvetica, sans-serif" size="2">Recientemente se    ha publicado<SUP>27 </SUP>la asociaci&oacute;n de atresia intestinal m&uacute;ltiple    asociada con el s&iacute;ndrome perisilviano bilateral cong&eacute;nito en un    gemelo univitelino y el otro fallecido. En el estudio patol&oacute;gico de la    placenta se evidenci&oacute; una comunicaci&oacute;n vena-vena entre los 2 gemelos,    y en el gemelo fallecido m&uacute;ltiples trombos intravasculares. </font>     <P>      <P><font face="Verdana, Arial, Helvetica, sans-serif" size="2"><B>II- Adquiridas</B>    </font>     <P><font size="2" face="Verdana, Arial, Helvetica, sans-serif"><i>Vasculares </i></font>     ]]></body>
<body><![CDATA[<P><font face="Verdana, Arial, Helvetica, sans-serif" size="2">El infarto cerebral    bilateral de las regiones operculares,<SUP>28</SUP> como etiolog&iacute;a de    la diplej&iacute;a facio-faringo-gloso-masticatoria, fue descrita por primera    vez por <I>Foix</I>, <I>Chavany </I>y <I>Marie</I> en 1926, y desde entonces    se usa como sinonimia del s&iacute;ndrome perisilviano u opercular. La enfermedad    cerebrovascular en el adulto<SUP>29</SUP> representa la forma cl&aacute;sica    y m&aacute;s com&uacute;n de este s&iacute;ndrome. </font>     <P>      <P><font face="Verdana, Arial, Helvetica, sans-serif" size="2"><I>Encefalitis    viral</I> </font>     <P>      <P><font face="Verdana, Arial, Helvetica, sans-serif" size="2">Se ha descrito    la posible predilecci&oacute;n del virus del herpes simple por el &aacute;rea    opercular,<SUP>3,30,31</SUP> y se manifiesta cl&iacute;nicamente esta encefalitis    por un s&iacute;ndrome opercular y epilepsia parcial continua. Es importante    para el cl&iacute;nico estar atento a la cl&iacute;nica del s&iacute;ndrome    perisilviano u opercular en el contexto de un cuadro infeccioso encef&aacute;lico,    para comenzar inmediatamente el tratamiento antiviral, a la vez que se indican    los estudios espec&iacute;ficos para el diagn&oacute;stico del herpes virus:    la imagen sugestiva de la RMN, el<I> test</I> de la reacci&oacute;n en cadena    de la polimerasa, y los anticuerpos espec&iacute;ficos oligoclonales en l&iacute;quido    cefalorraqu&iacute;deo.<SUP>3</SUP> </font>     <P>      <P><font face="Verdana, Arial, Helvetica, sans-serif" size="2">Es necesario conocer,    adem&aacute;s, que la infecci&oacute;n por el virus del herpes simple puede    manifestarse por una forma cr&oacute;nica de encefalitis, con una evoluci&oacute;n    con remisiones y reca&iacute;das. <I>Asenbauer B</I> y otros<SUP>31 </SUP>describieron    una paciente de 2 a&ntilde;os de edad que desarroll&oacute; una encefalitis    aguda por herpes simple, que posteriormente fue seguida durante 10 a&ntilde;os    por tetraplej&iacute;a esp&aacute;stica asim&eacute;trica, par&aacute;lisis    seudobulbar (s&iacute;ndrome opercular) y epilepsia. El curso cl&iacute;nico    de esta paciente se mantuvo est&aacute;tico hasta que fallece s&uacute;bitamente    a los 12 a&ntilde;os de edad. El estudio anatomopatol&oacute;gico del cerebro    de esta paciente demostr&oacute; una encefalitis cr&oacute;nica destructiva    atribuida a la infecci&oacute;n cr&oacute;nica del herpes virus tipo 1. </font>     <P>      <P><font face="Verdana, Arial, Helvetica, sans-serif" size="2"><I>Epilepsia</I>    </font>     <P>      ]]></body>
<body><![CDATA[<P><font face="Verdana, Arial, Helvetica, sans-serif" size="2">Ha sido bien demostrada    la asociaci&oacute;n entre las crisis epil&eacute;pticas y el s&iacute;ndrome    opercular o perisilviano.<SUP>32-47</SUP> La actividad el&eacute;ctrica anormal    en el op&eacute;rculo anterior o frontal,<SUP>34,39 </SUP>se ha planteado sea    la responsable de las manifestaciones cl&iacute;nicas en estos epil&eacute;pticos.<SUP>43</SUP>    El s&iacute;ndrome opercular en ellos, adem&aacute;s de ser adquirido, puede    ser transitorio o no.<SUP>34,35,37,42</SUP> </font>     <P>      <P><font face="Verdana, Arial, Helvetica, sans-serif" size="2">Se ha demostrado    que el estado epil&eacute;ptico, adem&aacute;s de poder ser causa de da&ntilde;o    cerebral, como es conocido, puede expresarse por un s&iacute;ndrome opercular,<SUP>36,43,48</SUP>    tanto en su forma convulsiva como en la no convulsiva.<SUP>38,39</SUP> <I>Castroviejo</I>    y otros reportaron una ni&ntilde;a de 5 a&ntilde;os sin lesi&oacute;n cerebral    demostrable en la TAC antes del estado epil&eacute;ptico, y c&oacute;mo este    ocasion&oacute; un da&ntilde;o cerebral y un s&iacute;ndrome opercular permanente.<SUP>47</SUP>    </font>     <P>      <P><font face="Verdana, Arial, Helvetica, sans-serif" size="2">El s&iacute;ndrome    opercular ha sido descrito en algunos s&iacute;ndromes epil&eacute;pticos espec&iacute;ficos,    algunos raros, como es el caso de la epilepsia refleja de la alimentaci&oacute;n,<SUP>32</SUP>    y en especial en la epilepsia parcial benigna con puntas centrotemporales (EPBPCT)    o rol&aacute;ndica. En este &uacute;ltimo s&iacute;ndrome epil&eacute;ptico,    mucho m&aacute;s frecuente en los ni&ntilde;os, es importante conocer su asociaci&oacute;n    con el s&iacute;ndrome opercular.<SUP>40,44</SUP> Se ha descrito que la EPBPCT    puede comenzar, o evolutivamente manifestarse con sintomatolog&iacute;a opercular,    como expresi&oacute;n ictal,<SUP>34,44</SUP> con resistencia a las drogas antiepil&eacute;pticas,    e incluso, con empeoramiento por algunas de ellas, como es el caso de la carbamazepina.<SUP>44,40</SUP>    <I>Prats</I> y otros<SUP>39</SUP> reportaron un paciente que padeci&oacute;    de convulsiones neonatales familiares benignas (CNFB), e inici&oacute; un cuadro    de epilepsia parcial benigna rol&aacute;ndica a los 3 a&ntilde;os y 6 meses.    Los problemas oromotores se evidenciaron desde el comienzo del proceso, aunque    poco llamativos. A los 7 a&ntilde;os y 6 meses comenz&oacute; y se mantuvo con    altibajos y eventuales agudizaciones durante 3 a&ntilde;os, asociado con patr&oacute;n    de punta onda continua durante el sue&ntilde;o lento. El paciente evolutivamente    fue tratado con barbit&uacute;ricos y fenito&iacute;na. A los 10 a&ntilde;os    y 6 meses resolvi&oacute; definitivamente sus crisis al utilizarse el clobaz&aacute;n,    sin nuevas recurrencias. Nunca us&oacute; carbamazepina. En la casu&iacute;stica    de estos autores, solo con el uso del clobaz&aacute;n pudieron controlarse las    manifestaciones operculares.<SUP>40,44</SUP> </font>     <P>      <P><font face="Verdana, Arial, Helvetica, sans-serif" size="2"><I>Shuper</I> y    otros<SUP>41</SUP> reportaron un paciente con crisis parciales complejas sin    respuesta, primero a la carbamazepina, ni al valproato de sodio, y que s&iacute;    pudieron ser detenidas con lamotrigene, comenzando entonces el paciente con    un s&iacute;ndrome opercular que desapareci&oacute; al sustituir lamotrigene    por fenobarbital, y sin recurrencia en un seguimiento de </font><font face="Verdana, Arial, Helvetica, sans-serif" size="2">2    a&ntilde;os. <I>Veggiotti P</I> y otros<SUP>46</SUP> llamaron la atenci&oacute;n    sobre la asociaci&oacute;n de actividad de punta-onda continua durante el se&ntilde;o    lento (POCSL) y el s&iacute;ndrome opercular. En su casu&iacute;stica de 32    pacientes estudiados, seg&uacute;n sus manifestaciones cl&iacute;nicas y el    trazado electroencefalogr&aacute;fico, todos presentaron la POCSL y empeoramiento    del estado neurol&oacute;gico. En 3 de los pacientes se demostr&oacute; un s&iacute;ndrome    opercular adquirido. </font>      <P>      <P><font face="Verdana, Arial, Helvetica, sans-serif" size="2"><I>Otras</I> </font>     <P>      ]]></body>
<body><![CDATA[<P><font face="Verdana, Arial, Helvetica, sans-serif" size="2">El traumatismo    de cr&aacute;neo, como causa de s&iacute;ndrome opercular, ha sido descrito    por diferentes autores.<SUP>5,48</SUP> <I>Campbell </I>y otros (2009) describen    un paciente que sufri&oacute; injurias cerebrales traum&aacute;ticas de forma    secuencial y posteriormente un s&iacute;ndrome opercular transitorio.<SUP>48</SUP>    </font>     <P>      <P><font face="Verdana, Arial, Helvetica, sans-serif" size="2">La esclerosis m&uacute;ltiple    en adultos tambi&eacute;n ha sido reportada dentro de las causas del s&iacute;ndrome    opercular. En 2007 <I>Pender MP</I> y <I>Ferguson SM</I><SUP>49</SUP> reportan    un paciente con esclerosis m&uacute;ltiples con evoluci&oacute;n a forma de    brotes y remisiones, que desarroll&oacute; una debilidad severa de la lengua    debida a una lesi&oacute;n desmielinizante reciente en la regi&oacute;n yuxtacortical    perisilviana derecha, que se superpuso a otra preexistente perisilviana izquierda,    que caus&oacute; temporalmente debilidad de la hemilengua derecha. </font>     <P>      <P><font face="Verdana, Arial, Helvetica, sans-serif" size="2">La demencia frontotemporal,    con numerosos cuerpos de inclusi&oacute;n basof&iacute;licos hallados en la    autopsia de una paciente de 50 a&ntilde;os de edad, que hab&iacute;a comenzado    con demencia y severa disartria, y que evolutivamente present&oacute; un s&iacute;ndrome    opercular, ha sido descrita por <I>Ishihara K</I> y otros en octubre de 2006.<SUP>50</SUP>    </font>      <P>      <P><font face="Verdana, Arial, Helvetica, sans-serif" size="2"><I>Posquir&uacute;rgica</I>    </font>     <P>      <P><font face="Verdana, Arial, Helvetica, sans-serif" size="2">La cirug&iacute;a    bilateral sobre el &aacute;rea opercular y posterior desarrollo de un s&iacute;ndrome    perisilviano bilateral, tambi&eacute;n ha sido descrita. <I>Castroviejo</I>    y otros<SUP>51</SUP> reportaron una ni&ntilde;a con un tumor benigno de l&iacute;nea    media cerebral, que fue intervenida quir&uacute;rgicamente a los 3 y 5 a&ntilde;os    de edad respectivamente, presentado luego de la &uacute;ltima operaci&oacute;n    un s&iacute;ndrome opercular bilateral. </font>     <P>     ]]></body>
<body><![CDATA[<P>     <P>     <P>    <br>   <font face="Verdana, Arial, Helvetica, sans-serif" size="3"><B>DIAGN&Oacute;STICO,    EVOLUCI&Oacute;N Y PRON&Oacute;STICO </B></font>      <P><font face="Verdana, Arial, Helvetica, sans-serif" size="2">El diagn&oacute;stico    del s&iacute;ndrome opercular o perisilviano es cl&iacute;nico, dado por diplej&iacute;a    facio-faringo-gloso-masticatoria, es decir, debilidad facial con disociaci&oacute;n    voluntario-autom&aacute;tica, con abolici&oacute;n de los movimientos voluntarios    y conservaci&oacute;n de los autom&aacute;ticos y reflejos, con debilidad de    la musculatura masticatoria y far&iacute;ngea. </font>     <P>      <P><font face="Verdana, Arial, Helvetica, sans-serif" size="2">La TAC de cr&aacute;neo,    y en especial la RMN cerebral, precisan la lesi&oacute;n estructural. El electroencefalograma    y el video-electroencefalograma<SUP>22,47 </SUP>ayudan a clasificar el s&iacute;ndrome    epil&eacute;ptico y a caracterizar su evoluci&oacute;n. La evoluci&oacute;n    y pron&oacute;stico<SUP>52</SUP> de este s&iacute;ndrome viene dado por la causa    que lo ocasiona, ya sea una causa estructural, o funcional, con mayor o menor    severidad. </font>     <P><font size="3">    <br>   <font face="Verdana, Arial, Helvetica, sans-serif"><B>REFERENCIAS BIBLIOGR&Aacute;FICAS    </B></font></font>     <!-- ref --><P><font face="Verdana, Arial, Helvetica, sans-serif" size="2">1. de Groot J,    Chusid JG. Neuroanatom&iacute;a Correlativa. 8va edici&oacute;n. M&eacute;xico    DF: Editorial El Manual Moderno; 1989. p. 66-8.     </font>      <!-- ref --><P><font face="Verdana, Arial, Helvetica, sans-serif" size="2">2. Gropman AL,    Barkovich AJ, Vezina LG,Conry JA, Dubovsky EC, Packer RJ. 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Rev Neurol (Paris). 1999 May;155(5):387-90.        </font>     <!-- ref --><P><font face="Verdana, Arial, Helvetica, sans-serif" size="2">6. Septien L, Gras    P, Giroud M, Dumas R. Acute anterior bi-opercular syndrome of critical origin    in epilepsy with rolandic spikes. Rev Neurol (Paris). 1992;148(11):712-5.     </font>     <!-- ref --><P><font face="Verdana, Arial, Helvetica, sans-serif" size="2">7. Weller M. Anterior    opercular cortex lesions cause dissociated lower cranial nerve palsies and anarthria    but no aphasia: Foix-Chavany-Marie syndrome and &quot;automatic voluntary dissociation&quot;    revisited. J Neurol. 1993;240(4):199-208.     </font>      <!-- ref --><P><font face="Verdana, Arial, Helvetica, sans-serif" size="2">8. Christen HJ,    Hanefeld F, Kruse E, Imh&auml;user S, Ernst JP, Finkenstaedt M. Foix-Chavany-Marie    anterior operculum syndrome in childhood: a reappraisal of Worster-Drought syndrome.    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<body><![CDATA[<P>     <P>     <P><font face="Verdana, Arial, Helvetica, sans-serif" size="2">Recibido: 11 de    noviembre de 2010.    <br>   </font><font face="Verdana, Arial, Helvetica, sans-serif" size="2">Aprobado:    13 de junio de 2011. </font>      <P>     <P>     <P>      <P>      <P>      <P><font face="Verdana, Arial, Helvetica, sans-serif" size="2"><I>Jos&eacute;    Vargas D&iacute;az. </I> Instituto de Neurolog&iacute;a y Neurocirug&iacute;a.    Calle D esquina a 29, Vedado, municipio Plaza. La Habana, Cuba. Correo electr&oacute;nico:<a href="mailto:jvargas@infomed.sld.cu">    <U><FONT COLOR="#0000ff">jvargas@infomed.sld.cu </FONT></U> </a></font>      ]]></body>
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