<?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>0121-8123</journal-id>
<journal-title><![CDATA[Revista Colombiana de Reumatología]]></journal-title>
<abbrev-journal-title><![CDATA[Rev.Colomb.Reumatol.]]></abbrev-journal-title>
<issn>0121-8123</issn>
<publisher>
<publisher-name><![CDATA[Asociación Colombiana de Reumatología]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0121-81232008000300007</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Traqueomegalia y artririts reumatoide]]></article-title>
<article-title xml:lang="en"><![CDATA[Traqueomegalia and rheumatoid arthritis]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Rúa Marín]]></surname>
<given-names><![CDATA[Catalina]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Díaz]]></surname>
<given-names><![CDATA[James]]></given-names>
</name>
<xref ref-type="aff" rid="A02"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Cardona]]></surname>
<given-names><![CDATA[Alejandro]]></given-names>
</name>
<xref ref-type="aff" rid="A03"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ramírez]]></surname>
<given-names><![CDATA[Luis Alberto]]></given-names>
</name>
<xref ref-type="aff" rid="A04"/>
</contrib>
</contrib-group>
<aff id="A01">
<institution><![CDATA[,Universidad de Antioquia Médica Residente de Medicina Interna ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
</aff>
<aff id="A02">
<institution><![CDATA[,Universidad de Antioquia Médica Residente de Medicina Interna ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
</aff>
<aff id="A03">
<institution><![CDATA[,Hospital Universitario San Vicente de Paúl Médico Internista, Reumatólogo ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
</aff>
<aff id="A04">
<institution><![CDATA[,Universidad de Antioquia Hospital Universitario San Vicente de Paúl Profesor titular y jefe de la Sección de Reumatología]]></institution>
<addr-line><![CDATA[. Medellín ]]></addr-line>
<country>Colombia</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>07</month>
<year>2008</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>07</month>
<year>2008</year>
</pub-date>
<volume>15</volume>
<numero>3</numero>
<fpage>207</fpage>
<lpage>209</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_arttext&amp;pid=S0121-81232008000300007&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_abstract&amp;pid=S0121-81232008000300007&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_pdf&amp;pid=S0121-81232008000300007&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[La traqueo-broncomegalia es una rara condición de etiología desconocida que ha sido descrita en asociación con enfermedades del tejido conectivo ocasionalmente. Presentamos un caso de traqueomegalia en una paciente con artritis reumatoide de larga evolución. Este es el segundo caso reportado en la literatura médica hasta ahora. La asociación entre estas patologías es incierta y no se puede establecer una clara relación fisiopatológica debido a la rareza de su ocurrencia y el inicio tardío de los síntomas.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Tracheobronchomegaly is a rare condition of unknown etiology that has been described in association with connective tissue diseases. We present a case of tracheomegaly in a patient with a long evolution rheumatoid arthritis. This is the second case reported in the medical literature until now. Association between these pathologies is uncertain and we can not establish a clear pathophysiological link due to the rarity of its occurrence and the late onset of symptoms.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[traqueobroncomegalia]]></kwd>
<kwd lng="es"><![CDATA[traqueomegalia]]></kwd>
<kwd lng="es"><![CDATA[artritis reumatoide]]></kwd>
<kwd lng="en"><![CDATA[tracheobronchomegaly]]></kwd>
<kwd lng="en"><![CDATA[thracheomegaly]]></kwd>
<kwd lng="en"><![CDATA[rheumatoid arthritis]]></kwd>
</kwd-group>
</article-meta>
</front><body><![CDATA[ <html> <head> <title></title> </head>  <font face="verdana" size="2">      <p align="right"><b>Presentaci&oacute;n de Caso</b></p>          <p align="center"><font size="4"><b>Traqueomegalia y artririts reumatoide</b></font></p>           <p align="center"><b><font size="3">Traqueomegalia and rheumatoid arthritis</font></b></p>           <p align="center"><b>Catalina R&uacute;a Mar&iacute;n<sup>1</sup>, James Samir D&iacute;az Betancur<sup>2</sup>,  Alejandro Cardona<sup>3</sup>,Luis Alberto Ram&iacute;rez G&oacute;mez<sup>4</sup></b></p>          <p> <sup>1</sup> M&eacute;dica Residente de Medicina Interna, Universidad de Antioquia.    <br> <sup>2</sup> M&eacute;dico Residente de Medicina Interna, Universidad de Antioquia.    <br> <sup>3</sup> M&eacute;dico Internista, Reumat&oacute;logo, Hospital Universitario San Vicente de Pa&uacute;l.    <br> <sup>4</sup> Profesor titular y jefe de la Secci&oacute;n de Reumatolog&iacute;a del Hospital Universitario San Vicente de Pa&uacute;l y de la Universidad de Antioquia. Medell&iacute;n, Colombia.      <br>      ]]></body>
<body><![CDATA[<p>Recibido para publicaci&oacute;n: julio 27 de 2008. </p> Aceptado en forma revisada:septiembre 5 de 2008.</p>          <p></p> <hr size="1">        <p><b>Resumen</b></p>      <p>    <P ALIGN=JUSTIFY>La traqueo-broncomegalia es una rara condici&oacute;n de etiolog&iacute;a desconocida que ha sido descrita en asociaci&oacute;n con enfermedades del tejido conectivo ocasionalmente. Presentamos un caso de traqueomegalia en una paciente con artritis reumatoide de larga evoluci&oacute;n. Este es el segundo caso reportado en la literatura m&eacute;dica hasta ahora. La asociaci&oacute;n entre estas patolog&iacute;as es incierta y no se puede establecer una clara relaci&oacute;n fisiopatol&oacute;gica debido a la rareza de su ocurrencia y el inicio tard&iacute;o de los s&iacute;ntomas.</p>     <p><b>Palabras clave</b>     <p>traqueobroncomegalia, traqueomegalia, artritis reumatoide (AR).</p>     <p><b>Summary</b></p>      <p>    <P ALIGN=JUSTIFY>Tracheobronchomegaly is a rare condition of unknown etiology that has been described in association with connective tissue diseases. We present a case of tracheomegaly in a patient with a long evolution rheumatoid arthritis. This is the second case reported in the medical literature until now. Association between these pathologies is uncertain and we can not establish a clear pathophysiological link due to the rarity of its occurrence and the late onset of symptoms.     ]]></body>
<body><![CDATA[<p><b>Key word</b>     <p>tracheobronchomegaly, thracheomegaly, rheumatoid arthritis (RA).     <p><font face="verdana" size="2"></font></p>      <hr>     <p align="center"><b><font size="3">Caso cl&iacute;nico</font></b></p>    <p>       <p>    <P ALIGN=JUSTIFY> Una mujer de 70 a&ntilde;os de raza cauc&aacute;sica, con artritis reumatoide (AR) deformante de 20 a&ntilde;os de evoluci&oacute;n, en tratamiento con metotrexato 7,5 mg/semana, prednisolona 5mg/d&iacute;a y cloroquina 250mg/d&iacute;a, y sin otros antecedentes patol&oacute;gicos de importancia, incluyendo tabaquismo. Presentaba disnea de moderados esfuerzos de un a&ntilde;o y medio de evoluci&oacute;n, para la cual le hab&iacute;an formulado broncodilatadores inhalados. Consult&oacute; por persistencia de los s&iacute;ntomas con exacerbaci&oacute;n de la disnea en los &uacute;ltimos cuatro meses, asociada a expectoraci&oacute;n mucopurulenta y fiebre subjetiva que no mejoraban a pesar de los antibi&oacute;ticos formulados emp&iacute;ricamente. Al examen f&iacute;sico se encontr&oacute; en mal estado general, con frecuencia cardiaca 100/min, presi&oacute;n arterial 90/70 mmHg y dificultad respiratoria severa: su frecuencia respiratoria era 54/min y la saturaci&oacute;n de ox&iacute;geno 80%. Se auscultaron roncus y sibilancias difusos en ambos campos pulmonares y cr&eacute;pitos en las bases. Se observaron signos de inflamaci&oacute;n articular e hipertrofia sinovial en articulaciones de manos, codos y rodillas, y deformidad en cuello cisne en articulaciones interfal&aacute;ngicas.</p>      <p>Los paracl&iacute;nicos mostraron recuento leucocitario 15.000/&mu;L (90% neutr&oacute;filos y 8% linfocitos), eritrosedimentaci&oacute;n 35mm/h y PCR 2,8 mg/dL. La radiograf&iacute;a y la tomograf&iacute;a de t&oacute;rax de alta resoluci&oacute;n revelaron compromiso severo de la v&iacute;a a&eacute;rea, con bronquiectasias cil&iacute;ndricas y varicosas centrales y perif&eacute;ricas, y patr&oacute;n en mosaico <a href="#f1">figura 1</a>       <p align="center"><a name="f1"></a><img src="/img/revistas/rcre/v15n3/v15n3a07f1.JPG"></p>         <P ALIGN=JUSTIFY> La tr&aacute;quea y los grandes bronquios se observaron dilatados, con un di&aacute;metro sagital de la tr&aacute;quea m&aacute;ximo de 31 mm y coronal de 23 mm (en mujeres di&aacute;metro sagital mayor a 23 mm y coronal mayor a 21 mm se consideran diagn&oacute;stico de traqueomegalia); los bronquios se encontraron dilatados, pero no lo suficiente para diagnosticar bronquiomegalia. Por la sospecha de bronquiectasias sobre-infectadas se inici&oacute; tratamiento con piperacilina-tazobactam. El gram de esputo mostr&oacute; cocos gram-positivos, el cultivo crecimiento poli-microbiano y los hemocultivos fueron negativos. Evolucion&oacute; satisfactoriamente, con disminuci&oacute;n de los marcadores de inflamaci&oacute;n y mejor&iacute;a de la oxigenaci&oacute;n. Una semana despu&eacute;s fue dada de alta con tratamiento antibi&oacute;tico oral y ox&iacute;geno ambulatorio. </p>     ]]></body>
<body><![CDATA[<p align="center"><b><font size="3">Discusi&oacute;n</font></b></p> </p>     <p>    <P ALIGN=JUSTIFY>La traqueobroncomegalia es una rara condici&oacute;n de etiolog&iacute;a desconocida, caracterizada por dilataci&oacute;n de la tr&aacute;quea y bronquios, asociada a infecciones respiratorias recurrentes<sup>1-3</sup>. Esta patolog&iacute;a fue reconocida desde 1897 en autopsias, pero s&oacute;lo hasta 1932 Mounier-Kuhn correlacion&oacute; los hallazgos endosc&oacute;picos, radiol&oacute;gicos y cl&iacute;nicos, describiendo la patolog&iacute;a como se conoce en la actualidad<sup>4</sup>. Los hallazgos histopatol&oacute;gicos caracter&iacute;sticos de esta enfermedad son la atrofia de las fibras el&aacute;sticas y el adelgazamiento de la muscularis mucosa, que causan la dilataci&oacute;n de la tr&aacute;quea y los bronquios5. </p>     <p>    <P ALIGN=JUSTIFY>Ocasionalmente la traqueobronquiomegalia ha sido descrita en asociaci&oacute;n con enfermedades del tejido conectivo<sup>6,7</sup>. Aunque las bronquiectasias son comunes en la AR y se relacionan con la severidad de la enfermedad<sup>8</sup>, hasta la fecha s&oacute;lo se ha informado un caso de traqueomegalia en un hombre de 57 a&ntilde;os con una AR de 20 a&ntilde;os de evoluci&oacute;n<sup>9</sup>; este paciente ten&iacute;a un cuadro cl&iacute;nico de dos a&ntilde;os de s&iacute;ntomas respiratorios y la tomograf&iacute;a de t&oacute;rax demostr&oacute; una tr&aacute;quea dilatada con ligera deformidad, un di&aacute;metro coronal m&aacute;ximo de 39 mm y un di&aacute;metro anteroposterior de 49 mm, y compromiso extenso del par&eacute;nquima pulmonar; al igual que nuestra paciente, presentaba bronquiectasias sin bronquiomegalia. </p>     <p>    <P ALIGN=JUSTIFY>Adem&aacute;s se ha descrito la asociaci&oacute;n de traqueobronquiomegalia con ciertas malformaciones cong&eacute;nitas como el s&iacute;ndrome de Brachmann-de Lange<sup>10</sup>, la utilizaci&oacute;n de ventilaci&oacute;n mec&aacute;nica en reci&eacute;n nacidos prematuros<sup>11</sup> y fibrosis pulmonar difusa12; de igual forma se ha relacionado con patolog&iacute;as del tejido col&aacute;geno de origen no autoinmune como el s&iacute;ndrome de Marfan<sup>13</sup> y el s&iacute;ndrome Ehlers-Danlos<sup>14</sup>. </p>     <p>    <P ALIGN=JUSTIFY>En el caso descrito no se encontr&oacute; una causa diferente a la AR que explicara la presencia de traqueomegalia, sin embargo la asociaci&oacute;n entre estas patolog&iacute;as es incierta; no se puede establecer una clara relaci&oacute;n fisiopatol&oacute;gica puesto que al momento de este reporte, s&oacute;lo se ha descrito otro caso similar en la literatura m&eacute;dica. Aunque podr&iacute;an hacer parte de un mismo espectro patol&oacute;gico, la rareza de su ocurrencia y el inicio tard&iacute;o de los s&iacute;ntomas (20 a&ntilde;os de evoluci&oacute;n en ambos pacientes), no permiten descartar una anormalidad adquirida. </p>     <p align="center"><b><font size="3">Referencias</font></b></p> </p>     ]]></body>
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<ref-list>
<ref id="B1">
<label>1</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Vock]]></surname>
<given-names><![CDATA[P]]></given-names>
</name>
<name>
<surname><![CDATA[Spiegel]]></surname>
<given-names><![CDATA[T]]></given-names>
</name>
<name>
<surname><![CDATA[Fram]]></surname>
<given-names><![CDATA[EK]]></given-names>
</name>
<name>
<surname><![CDATA[Effmann]]></surname>
<given-names><![CDATA[EL]]></given-names>
</name>
</person-group>
<article-title xml:lang="en"><![CDATA[CT assessment of the adult intrathoracic cross section of the trachea]]></article-title>
<source><![CDATA[J Comput Assist Tomogr]]></source>
<year>1984</year>
<volume>8</volume>
<page-range>1076-1082</page-range></nlm-citation>
</ref>
<ref id="B2">
<label>2</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Jain]]></surname>
<given-names><![CDATA[P]]></given-names>
</name>
<name>
<surname><![CDATA[Dave]]></surname>
<given-names><![CDATA[M]]></given-names>
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<surname><![CDATA[Singh]]></surname>
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<name>
<surname><![CDATA[Kumawat]]></surname>
<given-names><![CDATA[DC]]></given-names>
</name>
<name>
<surname><![CDATA[Babel]]></surname>
<given-names><![CDATA[CS]]></given-names>
</name>
</person-group>
<article-title xml:lang="en"><![CDATA[Mounier-Kuhn syndrome]]></article-title>
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<year>2002</year>
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<person-group person-group-type="author">
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<surname><![CDATA[Al-Mubarak]]></surname>
<given-names><![CDATA[HF]]></given-names>
</name>
<name>
<surname><![CDATA[Husain]]></surname>
<given-names><![CDATA[SA]]></given-names>
</name>
</person-group>
<article-title xml:lang="en"><![CDATA[Tracheobronchomegaly- Mounier-Kuhn syndrome]]></article-title>
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