<?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>1130-1473</journal-id>
<journal-title><![CDATA[Neurocirugía]]></journal-title>
<abbrev-journal-title><![CDATA[Neurocirugía]]></abbrev-journal-title>
<issn>1130-1473</issn>
<publisher>
<publisher-name><![CDATA[Sociedad Española de Neurocirugía]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1130-14732007000500007</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Quiste epidermoide intradiploico infratentorial gigante]]></article-title>
<article-title xml:lang="en"><![CDATA[Giant intradiploic infratentorial epidermoid cyst]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Alberione]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Caire]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Fischer-Lokou]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Gueye]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Moreau]]></surname>
<given-names><![CDATA[J.J.]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
</contrib-group>
<aff id="A01">
<institution><![CDATA[,Universidad de Limoges Hospital Universitario Dupuytren Centro Hospitalario Universitario de Limoges]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>10</month>
<year>2007</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>10</month>
<year>2007</year>
</pub-date>
<volume>18</volume>
<numero>5</numero>
<fpage>423</fpage>
<lpage>426</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.isciii.es/scielo.php?script=sci_arttext&amp;pid=S1130-14732007000500007&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.isciii.es/scielo.php?script=sci_abstract&amp;pid=S1130-14732007000500007&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.isciii.es/scielo.php?script=sci_pdf&amp;pid=S1130-14732007000500007&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Los quistes epidermoides son lesiones congénitas benignas, de lento crecimiento, que representan el 1% de todos los tumores intracraneales. En un 25% tienen una localización intradiploica y excepcionalmente infratentorial. Presentamos un caso clínico poco frecuente de un quiste epidermoide intradiploico gigante infratentorial. El paciente consultó por una diplopia y un síndrome cerebeloso. La tomografía computarizada y la resonancia magnética mostraron una lesión gigante lítica extradural de la fosa posterior de 5,2 cm x 3,8 cm, con realce periférico con el contraste. Utilizamos un abordaje suboccipital retrosigmoideo para realizar una exéresis completa tumoral y una resección incompleta capsular, debido a la adherencia de ésta al seno lateral. La evolución posoperatoria fue favorable. Realizamos una revisión bibliográfica de la literatura y discusión de nuestro caso.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Epidermoid cysts are benign, uncommon lesions (1% of all intracranial tumors). Their localization is intradiploic in 25% of cases, and exceptionally subtentorial. We report here a rare case of giant intradiploic infratentorial epidermoid cyst. A 74-year old patient presented with recent diplopia and sindrome cerebellar. CT scan and MR imaging revealed a giant osteolytic extradural lesion of the posterior fossa (5,2 cm x 3,8 cm) with a small area of peripheral enhancement after contrast injection. Retrosigmoid suboccipital craniectomy allowed a satisfactory removal of the tumor, followed by an acrylic cranioplasty. The outcome was good. Neuropathological examination confirmed an epidermoid cyst. We review the literature and discuss our case.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Quiste epidermoide]]></kwd>
<kwd lng="es"><![CDATA[Intradiploico]]></kwd>
<kwd lng="es"><![CDATA[Infratentorial]]></kwd>
<kwd lng="en"><![CDATA[Epidermoid cyst]]></kwd>
<kwd lng="en"><![CDATA[Intradiploic]]></kwd>
<kwd lng="en"><![CDATA[Infratentorial]]></kwd>
</kwd-group>
</article-meta>
</front><body><![CDATA[ <p>&nbsp;</p>     <p>&nbsp;</p>     <p><font face="Verdana" size="4"><b><a name="top"></a>Quiste epidermoide intradiploico infratentorial gigante</b></font></p>     <p><font face="Verdana" size="4"><b>Giant intradiploic infratentorial epidermoid cyst</b></font></p>     <p>&nbsp;</p>     <p>&nbsp;</p>     <p><b><font face="Verdana" size="2">F. Alberione; F. Caire; D. Fischer-Lokou; M. Gueye y J.J. Moreau </font> </b> </p>     <p><font face="Verdana" size="2">Servicio de Neurocirug&iacute;a. Centro Hospitalario Universitario de Limoges. Hospital Universitario Dupuytren. Universidad de Limoges.</font></p>     <p><font face="Verdana" size="2"><a href="#back">Dirección para correspondencia</a></font></p>     <p>&nbsp;</p>     ]]></body>
<body><![CDATA[<p>&nbsp;</p>  <hr size="1">      <p><font face="Verdana" size="2"><b>RESUMEN</b></font></p>     <p><font face="Verdana" size="2">Los quistes epidermoides son lesiones cong&eacute;nitas benignas, de lento crecimiento, que representan el 1% de todos los tumores intracraneales. En un 25% tienen una localizaci&oacute;n intradiploica y excepcionalmente infratentorial.    <br> Presentamos un caso cl&iacute;nico poco frecuente de un quiste epidermoide intradiploico gigante infratentorial. El paciente consult&oacute; por una diplopia y un s&iacute;ndrome cerebeloso. La tomograf&iacute;a computarizada y la resonancia magn&eacute;tica mostraron una lesi&oacute;n gigante l&iacute;tica extradural de la fosa posterior de 5,2 cm x 3,8 cm, con realce perif&eacute;rico con el contraste. Utilizamos un abordaje suboccipital retrosigmoideo para realizar una ex&eacute;resis completa tumoral y una resecci&oacute;n incompleta capsular, debido a la adherencia de &eacute;sta al seno lateral.    <br> La evoluci&oacute;n posoperatoria fue favorable.    <br>  Realizamos una revisi&oacute;n bibliogr&aacute;fica de la literatura y discusi&oacute;n de nuestro caso.</font>    <p><font face="Verdana" size="2"><b>Palabras clave:</b> Quiste epidermoide. Intradiploico. Infratentorial.</font></p> <hr size="1">     <p><font face="Verdana" size="2"><b>SUMMARY</b></font></p>     <p><font face="Verdana" size="2">Epidermoid cysts are benign, uncommon lesions (1% of all intracranial tumors). Their localization is intradiploic in 25% of cases, and exceptionally subtentorial.    <br> We report here a rare case of giant intradiploic infratentorial epidermoid cyst. A 74-year old patient presented with recent diplopia and sindrome cerebellar. CT scan and MR imaging revealed a giant osteolytic extradural lesion of the posterior fossa (5,2 cm x 3,8 cm) with a small area of peripheral enhancement after contrast injection. Retrosigmoid suboccipital craniectomy allowed a satisfactory removal of the tumor, followed by an acrylic cranioplasty. The outcome was good. Neuropathological examination confirmed an epidermoid cyst.    ]]></body>
<body><![CDATA[<br> We review the literature and discuss our case.</font></p>     <p><font face="Verdana" size="2"><b>key words:</b> Epidermoid cyst. Intradiploic. Infratentorial.</font></p>  <hr size="1">      <p>&nbsp;</p>     <p><b><font face="Verdana">Introducci&oacute;n</font><font face="Verdana" size="2"> </font> </b></p>     <p><font face="Verdana" size="2">Los quistes epidermoides (QE) intracraneales son    lesiones cong&eacute;nitas de bajo grado de crecimiento e histol&oacute;gi camente    benignas. Representan alrededor del 1% de todos los tumores intracraneales.    Es conocido como "el tumor perlado" por sus caracter&iacute;sticas    macrosc&oacute;picas de color nacarado. Sus localizaciones m&aacute;s frecuentes    son a nivel del &aacute;ngulo pontocerebeloso, regi&oacute;n supraselar y cuadrigeminal<sup>2,15,21</sup>.</font></p>     <p><font face="Verdana" size="2">Los quistes epidermoides intradiploicos son aproximadamente    el 25% de todos los QE<sup>3</sup>. La ubicaci&oacute;n en la fosa posterior    es poco frecuente.</font></p>     <p><font face="Verdana" size="2">Presentamos el caso cl&iacute;nico de un paciente    con diagn&oacute;stico de QE intradiploico infratentorial gigante.</font></p>     <p>&nbsp;</p>     <p><font face="Verdana"><b>Caso cl&iacute;nico </b></font></p>     <p><font face="Verdana" size="2">Paciente de 74 a&ntilde;os, con antecedentes de    miocardiopat&iacute;a isqu&eacute;mica, que consult&oacute; por una diplopia    de instalaci&oacute;n brusca y un s&iacute;ndrome cerebeloso derecho. En el    examen neurol&oacute;gico presentaba una discreta dismetr&iacute;a derecha y    una ataxia cerebelosa. El examen oftalmol&oacute;gico fue normal.</font></p>     ]]></body>
<body><![CDATA[<p><font face="Verdana" size="2">La tomograf&iacute;a computarizada mostraba una    lesi&oacute;n expansiva extradural de la fosa posterior, hipodensa, de 5,2 cm    x 3,8 cm, con calcificaciones pericapsulares, con erosi&oacute;n &oacute;sea    occipital y con realce perif&eacute;rico con el contraste (<a href="#f1">Fig 1</a>).</font></p>     <p align="center"><a name="f1"><img src="/img/revistas/neuro/v18n5/7_1.jpg" width="294" height="346"></a>    <br> <font face="Verdana" size="2">Figura 1. <i>TAC craneal sin contraste. Se    <br> aprecia lesi&oacute;n expansiva osteol&iacute;tica hipodensa    <br> extradural con calcificaciones pericapsulares    <br> de la fosa posterior.</i></font></p>      <p><font face="Verdana" size="2">    <br> En la resonancia magn&eacute;tica esta lesi&oacute;n se presentaba como heterog&eacute;nea hipointensa con realce perif&eacute;rico con el gadolinio en T1 (Figs <a href="#f2">2</a>-<a href="#f3">3</a>) e hiperintensa en T2 (<a href="#f4">Fig 4</a>).</font></p>      <p align="center"><a name="f2"><img src="/img/revistas/neuro/v18n5/7_2.jpg" width="307" height="357"></a>    <br> <font face="Verdana" size="2">Figura 2. <i>RMN craneal corte axial muestra una    ]]></body>
<body><![CDATA[<br> lesi&oacute;n heterog&eacute;nea hipointensa en T1.</i></font></p>      <p align="center">    <br> <a name="f3"><img src="/img/revistas/neuro/v18n5/7_3.jpg" width="314" height="358"></a>    <br> <font face="Verdana" size="2">Figura 3. <i>RMN craneal corte coronal T1, en    <br> donde se evidencia el realce perif&eacute;rico con    <br> Gadolinio y la poca diferenciaci&oacute;n de la c&aacute;psula    <br> a medial.</i></font></p>      <p align="center">    <br> <a name="f4"><img src="/img/revistas/neuro/v18n5/7_4.jpg" width="314" height="188"></a>    <br> <font face="Verdana" size="2">Figura 4. <i>RMN craneal T2 axial se observa    ]]></body>
<body><![CDATA[<br> lesi&oacute;n hiperintensa heterogenea.</i></font></p>     <p align="left">    <br> <font face="Verdana" size="2">Realizamos una intervenci&oacute;n quir&uacute;rgica    en posici&oacute;n sentada y abordaje suboccipital retrosigmoideo derecho. Macrosc&oacute;picamente    observamos un tumor extradural heterog&eacute;neo, friable, de color blanco-verdoso.    Se realiz&oacute; una resecci&oacute;n "tumoral" completa. A nivel    de la parte m&aacute;s interna de &eacute;ste, la diferenciaci&oacute;n entre    la c&aacute;psula y la duramadre no era clara, por lo que procedimos a una ex&eacute;resis    de la duramadre de dos cent&iacute;metros aproximadamente y posterior pl&aacute;stica    con duramadre sint&eacute;tica. Tambi&eacute;n fue dificultosa la disecci&oacute;n    de la c&aacute;psula a nivel del seno lateral, por lo que e procedi&oacute;    a una ex&eacute;resis incompleta a este nivel. Finalmente, realizamos una craneoplastia    con cemento quer&uacute;rgico.</font></p>     <p align="left"><font face="Verdana" size="2">El examen anatomopatol&oacute;gico microsc&oacute;pico    mostr&oacute; una lesi&oacute;n qu&iacute;stica constituida por una pared de    epitelio malpingiano queratinizado y tejiso &oacute;seo. El contenido estaba    constituido por numerosas l&aacute;minas de queratina. El diagn&oacute;stico    histopatol&oacute;gico fue de quiste epidermoide intradiploico.</font></p>     <p><font face="Verdana" size="2">La evoluci&oacute;n posoperatoria fue favorable    sin ninguna complicaci&oacute;n. La tomograf&iacute;a computarizada de control    muestra un peque&ntilde;o neumoenc&eacute;falo (<a href="#f5">Fig. 5</a>).</font></p>     <p align="center"><a name="f5"><img src="/img/revistas/neuro/v18n5/7_5.jpg"></a>    <br> <font face="Verdana" size="2">Figura 5. <i>TAC craneal de control posoperatorio.    <br> Ventana &oacute;sea: se aprecia la craneoplastia    <br> y un peque&ntilde;o neumo&eacute;ncefalo.</i></font></p>     <p align="center">&nbsp;</p>     ]]></body>
<body><![CDATA[<p align="left"><font face="Verdana"><b>Discusi&oacute;n</b></font></p>     <p><font face="Verdana" size="2">Los QE son lesiones benignas que se originan de    restos de tejidos epitelial ectod&eacute;rmicos que quedan en el sistema nervioso    central al cerrarse el tubo neural entre la tercera y quinta semana de gestaci&oacute;n<sup>12</sup>.    La inclusi&oacute;n de c&eacute;lulas epid&eacute;rmicas a nivel &oacute;seo    es el origen de la forma intradiploica<sup>2</sup>. Tambi&eacute;n se pueden    producir en forma adquirida a trav&eacute;s de punciones lumbares o intra&oacute;seas.</font></p>     <p><font face="Verdana" size="2">La velocidad de crecimiento es lenta, de tipo    linear (similar a la tasa de crecimiento de la piel), contrariamente a la mayor&iacute;a    de los tumores que tienen un crecimiento exponencial.</font></p>     <p><font face="Verdana" size="2">La localizaci&oacute;n m&aacute;s frecuente de los QE es intradural. Se presentan    a nivel del &aacute;ngulo pontocerebeloso, de la regi&oacute;n paraselar y cuadrigeminal<sup>2,15,21</sup>.    Tambi&eacute;n se han descrito casos en otras localizaciones menos frecuentes,    como en la Cisura de Silvio, regi&oacute;n quiasm&aacute;tica, a nivel ventricular<sup>6,10,17</sup>    intrapontino<sup>12</sup>, tal&aacute;micos<sup>8</sup> o del cuerpo calloso.</font></p>     <p> <font face="Verdana" size="2">Aproximadamente el 25% de los QE son intradiploicos<sup>3</sup>. Las localizaciones m&aacute;s    habituales son en el hueso frontal y parietal. Los QE intradiploicos a nivel    occipital son poco frecuentes. En la revisi&oacute;n bibliogr&aacute;fica encontramos    descritos a nivel occipital 7 casos de 37 en la serie de Arana et al<sup>2</sup>, 2 de    4 en la serie de Bikmaz et al<sup>4</sup>, y un caso presentado por Bhora et al<sup>3</sup>, Guridi    et al<sup>11</sup>, Kalgutkar et al<sup>14</sup> y Maiuri et al<sup>16</sup>.</font></p>     <p> <font face="Verdana" size="2">Nuestro caso coincide con las caracter&iacute;sticas at&iacute;picas de los    8 casos de Arana et al<sup>2</sup>, y el caso de Bhora et al<sup>3</sup> en cuanto al tama&ntilde;o    mayor de 5 cm y la irregularidad de los bordes lesional. Otras series descritas    de QE gigantes son los 9 casos de Jaiswal et al<sup>13</sup> y 3 casos de Ciapetta et al<sup>9</sup>.</font></p>     <p><font face="Verdana" size="2">Estos tumores pueden ocurrir a cualquier edad, pero hay un ligero predominio    entre la segunda y quinta d&eacute;cada<sup>2,3,4,18</sup>. Nuestro caso coincide con el    trabajo de Bhora et col.<sup>3</sup> de un paciente mayor de 70 a&ntilde;os. No hay diferencia    de incidencia con respecto al sexo.</font></p>     <p> <font face="Verdana" size="2">Cl&iacute;nicamente se pueden manifestar por alteraci&oacute;n de pares craneales<sup>15</sup>    o s&iacute;ndrome cerebeloso a nivel infratentorial. Los QE supratentoriales    se presentan por cefaleas, crisis comiciales, d&eacute;ficit motores o sensitivos    y/o hidrocefalia. A nivel orbitario y frontal pueden ocasionar exoftalmia y/o    trastornos visuales<sup>5</sup>. Tambi&eacute;n se pueden diagnosticar como lesi&oacute;n    tumoral (QE de la calota craneal) o en forma fortuita. Pueden desarrollar gran    tama&ntilde;o hasta ocasionar sintomatolog&iacute;a cl&iacute;nica<sup>4,9</sup>.</font></p>     <p><font face="Verdana" size="2">En la tomograf&iacute;a computarizada aparecen como lesiones hipo o isodensas,    generalmente sin captaci&oacute;n de contraste, salvo en algunos casos<sup>3,21</sup>,    como el nuestro, donde hay un mayor riesgo de malignizaci&oacute;n. La variedad    intradiploica se aprecia como una lesi&oacute;n l&iacute;tica con erosi&oacute;n    &oacute;sea. Pueden observarse calcificaciones. Megdiche-Bazarbacha et col<sup>18</sup>    han descrito un raro caso de un QE hiperdenso espont&aacute;neamente en la fosa    posterior. salvo en algunos casos<sup>3,21</sup>,    como el nuestro, donde hay un mayor riesgo de malignizaci&oacute;n. La variedad    intradiploica se aprecia como una lesi&oacute;n l&iacute;tica con erosi&oacute;n    &oacute;sea. Pueden observarse calcificaciones. Megdiche-Bazarbacha et col<sup>18    </sup>han descrito un raro caso de un QE hiperdenso espont&aacute;neamente en    la fosa posterior.</font></p>     <p><font face="Verdana" size="2">En la resonancia magn&eacute;tica se observan    como lesiones hipointensas en T1 e hiperintensas en T2, como en nuestro caso.    La secuencia de difusi&oacute;n y FLAIR se pueden utilizar para realizar diagn&oacute;stico    diferencial de quiste aracnoideo y en el control de residuo tumoral en las ex&eacute;resis    parciales<sup>17,22</sup>.</font></p>     ]]></body>
<body><![CDATA[<p><font face="Verdana" size="2">Entre los diagn&oacute;sticos diferenciales podemos    citar a los colesteatomas (antecedentes de infecci&oacute;n otol&oacute;gicas)<sup>1</sup>,    los quistes dermoides (poseen contenidos d&eacute;rmicos y se localizan frecuentemente    en la l&iacute;nea mediana), el granuloma eosin&oacute;filo (pacientes j&oacute;venes    y bordes &oacute;seos no escler&oacute;ticos) y las    met&aacute;stasis de la calota craneana (bordes irregulares).</font></p>     <p><font face="Verdana" size="2">El tratamiento de los QE es la ex&eacute;resis    completa del tumor y de su c&aacute;psula en la medida de lo posible, implicando    esto un buen pron&oacute;stico<sup>1,9,11</sup>. En las lesiones intradurales    las adherencias a estructuras vasculo-nerviosas no permiten, a veces, realizar    una resecci&oacute;n completa. La c&aacute;psula debe extirparse totalmente;    sin embargo, como en nuestro caso, la adherencia al seno lateral imposibilit&oacute;    la resecci&oacute;n completa. El residuo capsular es un predisponente a la recidiva,    aunque el crecimiento es habitualmente lento.</font></p>     <p><font face="Verdana" size="2">La tasa de resecci&oacute;n completa de los QE intradurales var&iacute;a entre un 18-95%.</font></p>     <p><font face="Verdana" size="2">Dentro de las complicaciones posoperatorias cabe mencionar la meningitis as&eacute;ptica y la infecci&oacute;n.</font></p>     <p><font face="Verdana" size="2">La transformaci&oacute;n maligna de los QE a carcinoma de c&eacute;lulas escamosas es rara, pero esta descrita en la literatura<sup>7</sup>. Su tratamiento es discutido, y a pesar de la radioterapia y/o la quimioterapia el pron&oacute;stico no es favorable<sup>19,20</sup>.</font></p>     <p>&nbsp;</p>     <p><font face="Verdana"><b>Bibliograf&iacute;a</b></font></p>     <!-- ref --><p><font face="Verdana" size="2">1. Altschuler, E., Jungreis, C., Sekhar, L., Janetta, P., Sheptak, P.: Operative treatment of intracranial epidemoid cyst and cholesterol granulomas: report of 21 cases. Neurosurgery 1990; 26: 606-614.</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=3360190&pid=S1130-1473200700050000700001&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --><!-- ref --><p><font face="Verdana" size="2">2. Arana, E., Latorre, F., Revert, A., Menor, F., Riesgo, P., Lia&ntilde;o, F., Diaz, C.: Intradiploic epidermoid cysts. 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Bikmaz, K., Cosar, M., Bek, S., Gokduman, C.,Arslan, M., Iplikcioglu, A.: Intradiploic epidermoid cysts of the skull: a report of four cases. Clin Neurol Neurosurg 2005; 107: 262-267.</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=3360193&pid=S1130-1473200700050000700004&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --><!-- ref --><p><font face="Verdana" size="2">5. Blanco, G., Esteban, R., Galarreta, D., Saornil, M.: Orbital intradiploic giant epidermoid cyst. Arch Ophthalmol 2001; 119: 771-773.</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=3360194&pid=S1130-1473200700050000700005&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --><!-- ref --><p><font face="Verdana" size="2">6. Bougeard, R., Mahla, K., Roche, P., Hallacq, P., Vall&eacute;e, B., Fisher, G.: Kyste epidermo&iuml;des des ventricules lat&eacute;raux. Neurochirurgie 1999; 45: 316-320.</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=3360195&pid=S1130-1473200700050000700006&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --><!-- ref --><p><font face="Verdana" size="2">7. 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Gelabert-Gonz&aacute;lez, M., Garc&iacute;a-Allut, A., Gonz&aacute;lez-Garcia, J., Mart&iacute;nez-Rubio, R.: Quiste epidermoide de tercer ventr&iacute;culo. Neurocirug&iacute;a 2002; 13: 389-392.</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=3360199&pid=S1130-1473200700050000700010&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --><!-- ref --><p><font face="Verdana" size="2">11. Guridi, J., Ollier, J., Aguliera, F.: Giant intradiploic epidermoid tumour of the occipital bone: case report. 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AJNR Am J Neuroradiol 1190: 11; 925-931.</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=3360211&pid=S1130-1473200700050000700022&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --><p>&nbsp;</p>     ]]></body>
<body><![CDATA[<p>&nbsp;</p>     <p><a href="#top"><img border="0" src="/img/revistas/neuro/v18n5/seta.gif" width="15" height="17"></a><font face="Verdana" size="2"><b><a name="back"></a>Direcci&oacute;n para correspondencia:</b>    <br>  Dr. Fran&ccedil;ais Caire.    <br> Service de Neurochirugie.    <br> Centre Hospitalaire Universitaire de Limoges.    <br> H&ocirc;spital Universitaire Dupuytren.    <br> 2, avenue Martin-Luther-King.    <br>  87042. Limoges Cedex.</font></p>     <p><font face="Verdana" size="2">Recibido: 19-01-07.    <br> Aceptado 30-03-07</font></p>     ]]></body>
<body><![CDATA[<p><font face="Verdana" size="2"><U><i>Abreviaturas</i></U>. QE: quiste epidermoideo. TAC: tomograf&iacute;a axial computarizada. RMN: resonancia magn&eacute;tica nuclear.</font></p>       ]]></body><back>
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