<?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>0212-7199</journal-id>
<journal-title><![CDATA[Anales de Medicina Interna]]></journal-title>
<abbrev-journal-title><![CDATA[An. Med. Interna (Madrid)]]></abbrev-journal-title>
<issn>0212-7199</issn>
<publisher>
<publisher-name><![CDATA[Arán Ediciones, S. L.]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0212-71992008000100009</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Accidente isquémico transitorio asociado a síndrome de calcinosis cerebral]]></article-title>
<article-title xml:lang="en"><![CDATA[Transient ischemic attack associated with a calcinosis cerebri syndrome]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Asensio Moreno]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Arias Jiménez]]></surname>
<given-names><![CDATA[J. L.]]></given-names>
</name>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Aramburu Bodas]]></surname>
<given-names><![CDATA[O.]]></given-names>
</name>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ortega Calvo]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Pérez Cano]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
</contrib>
</contrib-group>
<aff id="A01">
<institution><![CDATA[,Hospital Universitario Virgen Macarena Servicio de Medicina Interna ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
</aff>
<aff id="A02">
<institution><![CDATA[,Centro de Salud Virgen Esperanza Macarena Servicio de Medicina Interna ]]></institution>
<addr-line><![CDATA[Sevilla ]]></addr-line>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>01</month>
<year>2008</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>01</month>
<year>2008</year>
</pub-date>
<volume>25</volume>
<numero>1</numero>
<fpage>33</fpage>
<lpage>35</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.isciii.es/scielo.php?script=sci_arttext&amp;pid=S0212-71992008000100009&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.isciii.es/scielo.php?script=sci_abstract&amp;pid=S0212-71992008000100009&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.isciii.es/scielo.php?script=sci_pdf&amp;pid=S0212-71992008000100009&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Presentamos un caso de calcinosis cerebral (posiblemente por una enfermedad de Fahr primaria) asociado a un cuadro de accidente isquémico transitorio (disartria) en un varón anciano con hipertensión arterial y sin ningún otro factor de riesgo vascular.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[We report a 71 years old man suffering from transient ischemic attack associated with a calcinosis cerebri (Fahr's disease). Arterial hypertension was the unique vascular risk factor disclosed.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Accidente isquémico transitorio]]></kwd>
<kwd lng="es"><![CDATA[Disartria]]></kwd>
<kwd lng="es"><![CDATA[Calcinosis cerebral]]></kwd>
<kwd lng="es"><![CDATA[Enfermedad de Fahr]]></kwd>
<kwd lng="en"><![CDATA[TIA]]></kwd>
<kwd lng="en"><![CDATA[Dysarthria]]></kwd>
<kwd lng="en"><![CDATA[Calcinosis cerebri]]></kwd>
<kwd lng="en"><![CDATA[Fahr' disease]]></kwd>
</kwd-group>
</article-meta>
</front><body><![CDATA[ <p>&nbsp;</p>     <p><b><font size="4" face="Verdana"><a name="top"></a>Accidente isqu&eacute;mico transitorio asociado a s&iacute;ndrome de calcinosis cerebral</font></b></p>     <p><b><font size="4" face="Verdana">Transient ischemic attack associated with a  calcinosis cerebri syndrome</font></b></p>     <p>&nbsp;</p>     <p>&nbsp;</p>     <p><b><font size="2" face="Verdana">C. Asensio Moreno, J. L. Arias Jiménez, O. Aramburu Bodas, M. Ortega Calvo<sup>1</sup>, R. Pérez Cano</font></b></p>     <p><font size="2" face="Verdana">Servicio de Medicina Interna. Hospital Universitario Virgen Macarena. <sup>1</sup>Centro de Salud Virgen Esperanza Macarena. Sevilla</font></p>     <p><font size="2" face="Verdana"><a href="#back">Dirección para correspondencia</a></font></p>     <p>&nbsp;</p>     <p>&nbsp;</p>  <hr size="1">      ]]></body>
<body><![CDATA[<p><B><font size="2" face="Verdana">RESUMEN</font></B></p>     <p><font size="2" face="Verdana">Presentamos un caso de calcinosis cerebral (posiblemente por una enfermedad de Fahr primaria) asociado a un cuadro de accidente isqu&eacute;mico transitorio (disartria) en un var&oacute;n anciano con hipertensi&oacute;n arterial y sin ning&uacute;n otro factor de riesgo vascular.</font></p>     <p><font face="Verdana"><b><font size="2">Palabras clave:</font></b><font size="2"> Accidente isqu&eacute;mico transitorio. Disartria. Calcinosis cerebral. Enfermedad de Fahr.</font></font></p>  <hr size="1">      <p><B><font size="2" face="Verdana">ABSTRACT</font></B></p>     <p><font size="2" face="Verdana">We report a 71 years old man suffering from transient ischemic attack associated with a calcinosis cerebri (Fahr's disease). Arterial hypertension was the unique vascular risk factor disclosed.</font></p>     <p><font face="Verdana"><b><font size="2">Key words:</font></b><font size="2"> TIA. Dysarthria. Calcinosis cerebri. Fahr' disease.</font></font></p>  <hr size="1">      <p>&nbsp;</p>     <p><B><font face="Verdana">Introducción</font></B></p>     <p><font size="2" face="Verdana">Entre el dos y el doce por ciento de las TC de cr&aacute;neo presentan calcificaciones en los ganglios basales (1-2). Estas calcificaciones son fisiol&oacute;gicas, peque&ntilde;as, aparecen sobre todo en los n&uacute;cleos p&aacute;lidos y su prevalencia aumenta con la edad. Cuando las calcificaciones son m&aacute;s extensas, bilaterales, aparecen a edades m&aacute;s tempranas y afectan simult&aacute;neamente a n&uacute;cleo p&aacute;lido, putamen, dentado del cerebelo y sustancia blanca hemisf&eacute;rica hablamos de calcinosis estriado-p&aacute;lido-dentada o enfermedad de Fahr.</font></p>    <p> <font size="2" face="Verdana">La enfermedad de Fahr fue descrita por primera vez por Karl Theodor Fahr en 1930 como un conjunto de calcificaciones perivasculares en los n&uacute;cleos basales en ausencia de lesi&oacute;n arterioescler&oacute;tica. Las causas de este dep&oacute;sito de calcio son m&uacute;ltiples, las m&aacute;s frecuentes son las alteraciones del metabolismo fosfocalcio (dentro de &eacute;stas el hipoparatiroidismo). Otras posibilidades etiol&oacute;gicas ser&iacute;an las neuroinfecciones (encefalitis herp&eacute;tica, tuberculosis, VIH, toxoplasmosis, infecci&oacute;n cr&oacute;nica por el virus de Epstein-Barr...), el lupus eritematoso sist&eacute;mico, el s&iacute;ndrome MELAS, la radioterapia y quimioterapia, las intoxicaciones por plomo y mon&oacute;xido de carbono, y otras. Baba y cols. describen unas 50 causas de s&iacute;ndrome de calcinosis cerebral heredofamiliar (3).</font></p>    ]]></body>
<body><![CDATA[<p> <font size="2" face="Verdana">A pesar de todo el esfuerzo cient&iacute;fico alrededor de este problema (palpable sobre todo a partir de la era tomogr&aacute;fica) existe todav&iacute;a cierto grado de inexactitud nosol&oacute;gica (4). Por todo ello consideramos interesante comunicar nuestra experiencia.</font></p>     <p> &nbsp;</p>     <p> <B><font face="Verdana">Caso aportado</font></B></p>     <p><font size="2" face="Verdana">Se trata de un var&oacute;n de 71 a&ntilde;os con antecedentes de hipertensi&oacute;n arterial de diagn&oacute;stico reciente (en tratamiento con Enalaprilo 5 mg/24 horas) y deprivaci&oacute;n tab&aacute;quica unos 20 a&ntilde;os atr&aacute;s. El paciente consult&oacute; en el Servicio de Urgencias por dificultad para la articulaci&oacute;n de la palabra de aparici&oacute;n brusca en ese mismo d&iacute;a sin ninguna otra sintomatolog&iacute;a asociada. En la exploraci&oacute;n f&iacute;sica tan s&oacute;lo llamaba la atenci&oacute;n la disartria. Se realiz&oacute; una TC de cr&aacute;neo urgente en la que se objetivaron extensas calcificaciones parenquimatosas sim&eacute;tricas que afectaban a n&uacute;cleos dentados, t&aacute;lamos, sustancia blanca y c&oacute;rtex. Con esta cl&iacute;nica, con los hallazgos de imagen y ante la ausencia de antecedentes t&oacute;xicos (mon&oacute;xido de carbono o plomo) se inici&oacute; el estudio etiol&oacute;gico.</font></p>    <p> <font size="2" face="Verdana">El metabolismo fosfoc&aacute;lcico mostr&oacute; unos valores dentro de la normalidad. La PTH fue de 48 pg/ml (normal: 15-100 pg/ml para &gt; 60 a&ntilde;os), osteocalcina 18,2 ng/ml. (normal: 15-45 ng/ml para varones &gt; 50 a&ntilde;os), calcio s&eacute;rico de 9,3 mg/dl. (normal: 8,5-10,5 mg/dl), f&oacute;sforo 3,0 mg/dl. (normal: 2,5-4,5 mg/dl), prote&iacute;nas totales 6,5 g/dl (normal: 6-8 g/dl), calcio corregido 9,8 mg/dl (normal: 8,5-10,5 mg/dl) y fosfatasa alcalina 115 U/l (normal: 90-258 U/l). El perfil lip&iacute;dico no mostr&oacute; alteraciones ostensibles. En ning&uacute;n momento se observ&oacute; acidosis l&aacute;ctica. En la ecograf&iacute;a-doppler de troncos supraa&oacute;rticos no se apreciaron alteraciones significativas y la RM de cr&aacute;neo mostr&oacute; extensas calcificaciones parenquimatosas en las mismas localizaciones que la TC de cr&aacute;neo (<a target="_blank" href="/img/revistas/ami/v25n1/nota5_f1.jpg">Fig. 1</a>).</font></p>      <p><font size="2" face="Verdana">El paciente evolucion&oacute; favorablemente con desaparici&oacute;n de la disartria en las primeras 24 horas de su ingreso. Se instaur&oacute; tratamiento con un antiagregante plaquetario (Clopidogrel 75 mg/d) y se dio de alta a su domicilio.</font></p>     <p>&nbsp;</p>     <p><B><font face="Verdana">Discusión</font></B></p>     <p><font size="2" face="Verdana">La calcificaci&oacute;n de los ganglios basales se manifiesta cl&iacute;nicamente de diferentes maneras, entre &eacute;stas, destacan, los s&iacute;ndromes hipocin&eacute;ticos, las diston&iacute;as y las manifestaciones neuropsiqui&aacute;tricas (2).</font></p>    <p> <font size="2" face="Verdana">La desaparici&oacute;n de la cl&iacute;nica en menos de veinticuatro horas en nuestro paciente, junto a los factores de riesgo vascular que presentaba, nos hace pensar que el episodio descrito podr&iacute;a estar en el contexto de un accidente vasculocerebral transitorio y que la calcificaci&oacute;n de los ganglios basales ha sido un hallazgo casual sin que, por el momento, el paciente presente cl&iacute;nica secundaria a dichas calcificaciones, a pesar de la edad y de la extensi&oacute;n de las lesiones.</font></p>    ]]></body>
<body><![CDATA[<p> <font size="2" face="Verdana">La fisiopatolog&iacute;a del dep&oacute;sito de calcio a nivel perivascular y en el espesor extracelular se desconoce. Se postulan muy diferente hip&oacute;tesis: alteraci&oacute;n de la barrera hematoencef&aacute;lica, alteraci&oacute;n del metabolismo del calcio de las estructuras neuronogliales, cambios en la matriz extracelular o disminuci&oacute;n del flujo sangu&iacute;neo en los ganglios basales (5,6). El SPECT cerebral tambi&eacute;n ha revelado disminuci&oacute;n del flujo en las estructuras tal&aacute;micas bilaterales (7). La patogenia de la sintomatolog&iacute;a cl&iacute;nica de nuestro enfermo quiz&aacute;s sea una disminuci&oacute;n pasajera del flujo sangu&iacute;neo en alguna de las &aacute;reas cerebrales que gobiernan la expresi&oacute;n verbal en las v&iacute;as c&oacute;rtico-bulbares, aunque no hemos podido obtener ninguna prueba objetiva. Quiz&aacute;s el SPECT sea la t&eacute;cnica de investigaci&oacute;n electiva en este tipo de pacientes (7).</font></p>    <p> <font size="2" face="Verdana">No hemos encontrado ninguna causa, de las hasta ahora descritas (3,4), que justifique la presencia de sus extensas calcificaciones de los ganglios de la base. Esto nos hace suponer, que de momento, podr&iacute;amos estar ante un caso de s&iacute;ndrome de calcinosis cerebral posiblemente por enfermedad de Fahr primaria. Se ha observado agregaci&oacute;n familiar con herencia autos&oacute;mica dominante en este tipo de alteraciones y recientemente se ha hallado el locus primario en el cromosoma 14q, aunque la cl&iacute;nica suele aparecer a edades m&aacute;s tempranas (8).</font></p>    <p> <font size="2" face="Verdana">Fruto de la diversidad nosol&oacute;gica a la que nos refer&iacute;amos en la introducci&oacute;n (3,4), Oliveira y cols. han encontrado poca concordancia de resultados en otro trabajo de investigaci&oacute;n gen&eacute;tica (9). No pudieron concretar afinidad ("<i>linkage</i>") en cinco de las seis familias estudiadas con el locus previamente descrito para la enfermedad de Fahr (8) en el 14q (IBGC1: <i>idiopathic basal ganglia calcification</i> 1).</font></p>    <p> <font size="2" face="Verdana">Asociaciones entre accidentes isqu&eacute;micos transitorios y calcificaciones cerebrales han sido descritas anteriormente en un var&oacute;n de 52 a&ntilde;os que posiblemente padec&iacute;a un s&iacute;ndrome MELAS (10), en una mujer de 63 a&ntilde;os afecta de un s&iacute;ndrome CREST (11) y en un var&oacute;n de 39 a&ntilde;os afecto de episodios de hemiplej&iacute;a derecha y de mutismo (12) que tambi&eacute;n ten&iacute;a alteraciones cong&eacute;nitas de los vasos cerebrales. Se ha publicado tambi&eacute;n un s&iacute;ndrome MELAS en una mujer de 39 a&ntilde;os afecta de p&eacute;rdida de campo visual, sordera, convulsiones y tres episodios de accidente isqu&eacute;mico transitorio (13). Alteraciones en la memoria verbal (pero no disartria) se han descrito en un paciente de profesi&oacute;n m&eacute;dico afecto de enfermedad de Fahr (14).</font></p>    <p> <font size="2" face="Verdana">En un estudio prospectivo y de base hospitalaria, Garc&iacute;a Monc&oacute; y cols. no encontraron calcificaciones cerebrales como un patr&oacute;n distintivo en pacientes que acud&iacute;an por cuadros parecidos a accidentes isqu&eacute;micos transitorios (15). En otro estudio realizado en nuestro pa&iacute;s (16), esta vez de base comunitaria, la hipertensi&oacute;n arterial estaba involucrada en el 44% de los casos con AIT, mientras que en un 26% de las ocasiones la etiolog&iacute;a permanec&iacute;a incierta al final del esquema diagn&oacute;stico.</font></p>     <p> &nbsp;</p>     <p> <B><font face="Verdana">Bibliografía</font></B></p>     <!-- ref --><p><font size="2" face="Verdana">1. Gomille T, Meyer RA, Falkai P, Gaebel W, Konigshausen T, Christ F. Prevalence and clinical significance of computerized tomography verified idiopathic calcinosis of the basal ganglia. Radiologe 2001; 41: 205-10.</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=621466&pid=S0212-7199200800010000900001&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --><!-- ref --><p> <font size="2" face="Verdana">2. Cartier L, Passig C, Gormaz A, L&oacute;pez J. 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Transient focal ischemia in Fahr's disease Neurol Neurochir Pol 1979; 13: 443-7.</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=621477&pid=S0212-7199200800010000900012&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --><!-- ref --><p> <font size="2" face="Verdana">13. Younes-Mhenni S, Thobois S, Streichenberger N, Giraud P, Mousson-de-Camaret B, Montelescaut ME, et al. Mitochondrial encephalomyopathy, lactic acidosis and stroke-like episodes (Melas) associated with a Fahr disease and cerebellar calcifications Rev Med Interne 2002; 23: 1027-9.</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=621478&pid=S0212-7199200800010000900013&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --><!-- ref --><p> <font size="2" face="Verdana">14. Delazer M, Domahs F, Lochy A, Karner E, Benke T, Poewe W. Number processing and basal ganglia dysfunction: A single case study. Neuropsychologia 2004; 42: 1050-62.</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=621479&pid=S0212-7199200800010000900014&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --><!-- ref --><p> <font size="2" face="Verdana">15. Garcia-Monco JC, Marrodan A, Foncea Beti N, Gomez Beldarrain M. Stroke and transient ischemic attack-mimicking conditions: A prospective analysis of risk factors and clinical profiles at a general hospital&#093; Neurologia 2002; 17: 355-60.</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=621480&pid=S0212-7199200800010000900015&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --><!-- ref --><p> <font size="2" face="Verdana">16. Sempere AP, Duarte J, Cabezas C, Claveria LE. Etiopathogenesis of transient ischemic attacks and minor ischemic strokes: A community-based study in Segovia, Spain. Stroke 1998; 29: 40-5.</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=621481&pid=S0212-7199200800010000900016&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --><p>&nbsp;</p>     <p>&nbsp;</p>     <p><font size="2" face="Verdana"><b><a href="#top"><img border="0" src="/img/revistas/ami/v25n1/seta.gif" width="15" height="17"></a><a name="back"></a>Dirección  para correspondencia:    <br> </b>Manuel Ortega Calvo.    <br> Avda. Cruz del Campo, 6, BL. 1, 2A.    <br> 41005 Sevilla.    <br> e-mail: <a href="mailto:ortegacalvo@terra.es">ortegacalvo@terra.es</a></font></p>     ]]></body>
<body><![CDATA[<p> <font size="2" face="Verdana">Trabajo aceptado: 1 de agosto de 2007</font></p>       ]]></body><back>
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