<?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>1698-4447</journal-id>
<journal-title><![CDATA[Medicina Oral, Patología Oral y Cirugía Bucal (Ed. impresa)]]></journal-title>
<abbrev-journal-title><![CDATA[Med. oral patol. oral cir. bucal (Ed.impr.)]]></abbrev-journal-title>
<issn>1698-4447</issn>
<publisher>
<publisher-name><![CDATA[Sociedad Española de Medicina Oral]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1698-44472004000400013</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Caso clínico: Tumor glómico agresivo de localización lingual]]></article-title>
<article-title xml:lang="en"><![CDATA[Aggressive glomus tumor of the tongue: Report of a case]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Quesada]]></surname>
<given-names><![CDATA[Roger]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[González-Lagunas]]></surname>
<given-names><![CDATA[Javier]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Raspall]]></surname>
<given-names><![CDATA[Guillermo]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
</contrib-group>
<aff id="A01">
<institution><![CDATA[,Hospital Universitari Vall d´Hebron Departamento de Cirugía Oral y Maxilofacial ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>10</month>
<year>2004</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>10</month>
<year>2004</year>
</pub-date>
<volume>9</volume>
<numero>4</numero>
<fpage>350</fpage>
<lpage>354</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.isciii.es/scielo.php?script=sci_arttext&amp;pid=S1698-44472004000400013&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.isciii.es/scielo.php?script=sci_abstract&amp;pid=S1698-44472004000400013&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.isciii.es/scielo.php?script=sci_pdf&amp;pid=S1698-44472004000400013&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[El tumor glómico es una neoplasia benigna que se origina en las células musculares lisas del glomus vascular. Los glomagiomas de cabeza y cuello son raros, con una incidencia del 0,6%. Presentamos un caso clínico de tumor glómico recidivante, localizado originalmente en la lengua, con un comportamiento clínico agresivo que complicó las opciones terapeuticas del caso.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[A glomus tumor or glomangioma is a benign neoplasm originating from the modified smooth muscle cells of the vascular glomus Glomangiomas of the head and/or neck are extremely rare, with an incidence of 0.6%. We present an observational case report of a recurrent glomic tumor originally located in the mobile tongue , with an aggressive clinical course that complicated the therapeutic options of the case.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Tumor glómico]]></kwd>
<kwd lng="es"><![CDATA[lengua]]></kwd>
<kwd lng="en"><![CDATA[Glomus tumor]]></kwd>
<kwd lng="en"><![CDATA[tongue]]></kwd>
</kwd-group>
</article-meta>
</front><body><![CDATA[ <P><B><font size=5>Caso cl&iacute;nico: Tumor gl&oacute;mico agresivo de localizaci&oacute;n lingual</font> </B></P>      <P><b>Roger  Quesada <sup>(1)</sup>, Javier Gonz&aacute;lez-Lagunas <sup>(1)</sup>, Guillermo  Raspall <sup> (1)</sup></b></P>      <P>(1) Departamento de Cirug&iacute;a Oral y Maxilofacial. Hospital Universitari Vall  d&#180;Hebron  (Prof. Dr G. Raspall). Barcelona, Espa&ntilde;a</P>  <i><font size="2">      Correspondencia:    <br> Dr Javier Gonzalez-Lagunas    <br> Casanova 101, Principal    <br> 08011 Barcelona, Spain    <br> fax 34-93 4514480    <br> tel. 34-93 4537965    <br> E-mail. <a href="mailto:glagunas@terra.es"> glagunas@terra.es</a></font></i>      <P>Recibido: 23-06-2003   Aceptado: 18-11-2003</P>   <table border="1" width="48%">   <tr>     <td width="100%"><font size="2">      Quesada R, Gonz&aacute;lez-Lagunas J, Raspall G. Caso    cl&iacute;nico: Tumor gl&oacute;mico agresivo de    localizaci&oacute;n lingual. Med Oral 2004;9:350-4.&nbsp;</font>    ]]></body>
<body><![CDATA[<br>       <font size="2">         &copy; Medicina Oral S. L. C.I.F. B 96689336 - ISSN 1137 -    2834</font></td>   </tr> </table>      <P><b>RESUMEN</b></P>      <P>El tumor gl&oacute;mico es una neoplasia benigna que se origina en las c&eacute;lulas musculares lisas del glomus vascular. Los glomagiomas de cabeza y cuello son raros, con una incidencia del 0,6%. Presentamos un caso cl&iacute;nico de tumor gl&oacute;mico recidivante, localizado originalmente en la lengua, con un comportamiento cl&iacute;nico agresivo que complic&oacute; las opciones terapeuticas del caso.</P>      <P><b>Palabras clave:</b> <i> Tumor gl&oacute;mico, lengua.</i></P>      <P><b>INTRODUCCIÓN</b></P>      <P>Los tumores gl&oacute;micos son tumores benignos derivados de las c&eacute;lulas musculares lisas del glomus vascular (1,2). El glomus normal es un receptor neuromioarterial que es sensible a variaciones en la temperatura y que regula el flujo arteriolar. El glomus posee una arteriola aferente, anastomosis arteriovenosas y venas eferentes (3). Aunque los tumores gl&oacute;micos no son frecuentes, se han presentado numerosos casos de localizaci&oacute;n en los tejidos subcut&aacute;neos  de la region subungueal y dedos (4). Los glomangiomas de cabeza y cuello son raros con una incidencia del 0,6% del total de estas lesions (5).</P>      <P>Se presenta un caso cl&iacute;nico poco habitual de tumor gl&oacute;mico lingual con un comportamiento agresivo localmente. </P>      <P align="center"><IMG SRC="/img/medicor/v9n4/original13/image05.gif" X-CLARIS-USEIMAGEWIDTH X-CLARIS-USEIMAGEHEIGHT ALIGN=bottom> </P>      <P align="center"><IMG SRC="/img/medicor/v9n4/original13/image06.gif" X-CLARIS-USEIMAGEWIDTH X-CLARIS-USEIMAGEHEIGHT ALIGN=bottom> </P>      <P><b>CASO CLÍNICO</b></P>      ]]></body>
<body><![CDATA[<P>Var&oacute;n de 61 a&ntilde;os que es remitido a nuestro servicio con una tumoraci&oacute;n lingual asintom&aacute;tica de varias semanas de evoluci&oacute;n. La exploraci&oacute;n f&iacute;sica mostr&oacute; una masa lingual no ulcerada, no dolorosa, y dura que ocupaba la porci&oacute;n anterior derecha de la lengua, sin cruzar la l&iacute;nea media. El paciente no presentaba trastornos funcionales y la exploraci&oacute;n cervical era  anodina.  La RM inicial mostr&oacute; una lesi&oacute;n submucosa de la porci&oacute;n anterior de la lengua libre derecha, que med&iacute;a unos 3 cm de di&aacute;metro (<a href="#F1">Fig 1</a>). La PAAF sugiri&oacute; un diagn&oacute;stico de tumor gl&oacute;mico benigno.</P>      <P align="center"><a name="F1"><IMG SRC="/img/medicor/v9n4/original13/image01.gif" X-CLARIS-USEIMAGEWIDTH X-CLARIS-USEIMAGEHEIGHT ALIGN=bottom></a></P>      <P>El paciente fue intervenido bajo anestesia general (en octubre 1992), practic&aacute;ndose la resecci&oacute;n en bloque de la lesion, con importantes medidas hemost&aacute;sicas. No fue necesario emplear t&eacute;cnicas reconstructivas complejas, y el curso postoperatorio transcurri&oacute; sin problemas. El informe AP indic&oacute; una lesi&oacute;n compuesta por estructuras vasculares con c&eacute;lulas prominentes distribuidas en forma de n&oacute;dulos separados por bandas escler&oacute;ticas. Se identificaron numerosos elementos vasculares de endotelio fino, sin atipias celulares ni mitosis , con un di&aacute;gnostico final de tumor gl&oacute;mico.</P>      <P>El paciente fue controlado ambulatoriamente en un r&eacute;gimen de visitas anuales, sin signos de recurrencia. Siete a&ntilde;os despu&eacute;s de la primera intervenci&oacute;n, el paciente se present&oacute; con una nueva tumoraci&oacute;n lingual, en este caso asociada a dolor en la s&iacute;nfisis mandibular. La exploraci&oacute;n mostr&oacute; una lesion que cruzaba la l&iacute;nea media y afectaba al suelo de boca, con anquiloglosia. Se observ&oacute; una importante movilidad en el sector anterior de la mand&iacute;bula, con dolor intenso en respuesta a la movilizaci&oacute;n dental. La ortopantomograf&iacute;a mostr&oacute; una lesion l&iacute;tica  entre el primer premolar derecho y el segundo molar izquierdo, junto con una fractura patol&oacute;gica interincisal (<a href="#F2">Fig.2</a> )</P>      <P align="center"><a name="F2"><IMG SRC="/img/medicor/v9n4/original13/image02.gif" X-CLARIS-USEIMAGEWIDTH X-CLARIS-USEIMAGEHEIGHT ALIGN=bottom></a></P>      <P>La RM mostr&oacute; una lesion infiltrante de caracter&iacute;sticas vasculares de 7x4,5cms (<a href="#F3">Fig.3</a>) que afectaba hemilengua derecha, sector anterior de hemilengua izquierda, suelo de boca, espacio submaxilar derecho, s&iacute;nfisis mandibular, y tejidos blandos submentales, con infiltraci&oacute;n de musculatura  La mitad derecha del paladar blando mostraba una tumoraci&oacute;n de las mismas caracter&iacute;sticas sin conexi&oacute;n anat&oacute;mica aparentes entre ellas. </P>      <P align="center"><a name="F3"><IMG SRC="/img/medicor/v9n4/original13/image03.gif" X-CLARIS-USEIMAGEWIDTH X-CLARIS-USEIMAGEHEIGHT ALIGN=bottom></a> </P>      <P>Antes de la cirug&iacute;a se efectu&oacute; una arteriograf&iacute;a (<a href="#F4">Fig 4</a>) que mostr&oacute; una impotante hipertrofia de ambas ramas submentales de las arterias faciales, e hipertrofia de las arterias alveolares inferiores, que conformaban una importante lesion expansiva vascular. Se decidi&oacute; embolizar la lesion para asegurar el control vascular. Se practic&oacute; una traqueostom&iacute;a previa para evitar la posible obstrucci&oacute;n de la v&iacute;a a&eacute;rea secundaria a una tumefacci&oacute;n facial post embolizaci&oacute;n. Se realizaron diferentes  sesiones de embolizaci&oacute;n que no permitieron controlar la evoluci&oacute;n de la lesion.</P>      <P align="center"><a name="F4"><IMG SRC="/img/medicor/v9n4/original13/image04.gif" X-CLARIS-USEIMAGEWIDTH X-CLARIS-USEIMAGEHEIGHT ALIGN=bottom></a></P>      <P>Ante la imposibilidad de un tratamiento combinado de embolizaci&oacute;n-cirug&iacute;a se decidi&oacute; administrar radioterapia paliativa, con el f&iacute;n de controlar el tama&ntilde;o de la lesi&oacute;n. Durante este periodo el paciente sufri&oacute; multiples episodios de sangrado menor que cedieron con medidas hemost&aacute;sicas locales. El dolor se control&oacute; con analgesia oral, y el paciente present&oacute; importantes transtornos para el habla y la degluci&oacute;n.</P>      ]]></body>
<body><![CDATA[<P><b>DISCUSIÓN</b></P>      <P>Hasta 1990, Tokiba et al. (9) hab&iacute;an encontrado solamente 16 casos de tumores gl&oacute;micos orales o faciales publicados en la literatura: 4 lesiones gingivales, 4 tumores palatinos, 2 lesiones linguales, 2 lesiones yugales, un tumor preauricular, y dos lesiones labiales. Hemos encontrado otro caso de 1984, consistente en una lesion endonasal (10). </P>      <P>Una revisi&oacute;n de los &uacute;ltimos a&ntilde;os, ha permitido localizar una lesi&oacute;n de la fosa amigdalar (11), otra parotidea (12), otra lesi&oacute;n yugal (5), y otras varias en los labios (13-16). La revisi&oacute;n muestra que las lesiones se presentan como masas palpables, inicialmente asintom&aacute;ticas, pero que con el crecimiento causan sangrados repetidos, dolor y ocupaci&oacute;n de espacio, con lisis de la estructuras vecinas por la presi&oacute;n expansiva.</P>      <P>En 1981, Tajima et al. (17) publicaron el caso de un tumor gl&oacute;mico lingual asintom&aacute;tico de una mujer de 63 a&ntilde;os, que se localizaba superficialmente en el vientre lingual. Se realiz&oacute; la exer&eacute;sis local sin recidiva posterior. Sato present&oacute; una lesi&oacute;n con caracter&iacute;sticas similares (18).</P>      <P>Sin  embargo, no todos los tumors gl&oacute;micos son tan benignos. Spector et al. (19) publicaron una series de 75 tumores gl&oacute;micos localizados en cabeza y cuello, incluyendo, oido interno y base de cr&aacute;neo. Cl&iacute;nicamente se observ&oacute; diseminaci&oacute;n intracraneal en el 14,6% de los casos, con una incidencia de afectaci&oacute;n de pares craneales del 37%. </P>      <P>La cirug&iacute;a fue la modalidad terapeutica de elecci&oacute;n en todos los casos publicados de tumores gl&oacute;micos de orofaringe. La ex&eacute;resis completa se acompa&ntilde;&oacute; de la resoluci&oacute;n de los s&iacute;ntomas. La reconstrucci&oacute;n dependi&oacute; del tama&ntilde;o y localizaci&oacute;n de la neoformaci&oacute;n. En ning&uacute;n caso de los descritos fue necesario embolizaci&oacute;n arterial o radioterapia, aunque el papel de la embolizaci&oacute;n en estas lesions es controvertido. (20,21). Pacientes asintom&aacute;ticos no tributarios de cirug&iacute;a fueron sometidos a controles con pruebas de im&aacute;gen, mientras, que en los casos sintom&aacute;ticos  no quir&uacute;rgicos se opt&oacute; por la radioterapia paliativa (22-23). </P>      <P><b>CONCLUSIONES</b></P>      <P>La mayor parte de  los tumores gl&oacute;micos orofaringeos son benignos y se controlan adecuadamente con la resecci&oacute;n local. Clinicamente el tumor se presenta como una masa de crecimiento lento, blanda e indolora. Con el tiempo, el crecimiento causa obstrucci&oacute;n local, episodios de sangrado repetido, y lisis estructural debido a la presi&oacute;n que causa la expansi&oacute;n.</P>      <P>La recidiva postquir&uacute;rgica local es rara. De hecho, la recidiva solamente se ha observado en este caso. Los tumores gl&oacute;micos malignos son excepcionales. </P>      <P>El caso presentado de localizaci&oacute;n lingual es muy raro, existiendo solamente dos casos previos, que se presentaron como tumores blandos y asintom&aacute;ticos.</P>      ]]></body>
<body><![CDATA[<P>Se ha presentado el &uacute;nico caso documentado de tumor gl&oacute;mico lingual recidivante, con un curso que complic&oacute; la opc&oacute;n quir&uacute;rgica.  En este contexto, con un fracaso de la embolizaci&oacute;n, lesiones de gran tama&ntilde;o con afectaci&oacute;n de multiples espacios pueden requerir la combinaci&oacute;n de cirug&iacute;a y radioterapia, con el fin de  controlar la enfermedad, aunque  no con fines curativos</P>      <P><b>BIBLIOGRAFIA</b> </P>      <!-- ref --><P>1. Masson P. Le glomus neuromyo-arteriel des regions tactiles et ses tumeurs. Lyon Chirurg 1924;21:257-80.&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=2929025&pid=S1698-4447200400040001300001&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --><!-- ref --><P>2. Lever WF, Schaumburg-Lever G. 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<surname><![CDATA[Chander]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Rath]]></surname>
<given-names><![CDATA[GK]]></given-names>
</name>
</person-group>
<article-title xml:lang="en"><![CDATA[Primary radiation therapy in the management of glomus tumours]]></article-title>
<source><![CDATA[Indian J Cancer]]></source>
<year>1993</year>
<volume>30</volume>
<page-range>120-4</page-range></nlm-citation>
</ref>
</ref-list>
</back>
</article>
