<?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>S0121-81232017000300189</article-id>
<article-id pub-id-type="doi">10.1016/j.rcreu.2017.02.007</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Fibrosis angiocéntrica eosinofílica intranasal asociada a enfermedad relacionada con IgG4]]></article-title>
<article-title xml:lang="en"><![CDATA[Intranasal eosinophilic angiocentric fibrosis associated with an IgG4-related disease]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Gallo]]></surname>
<given-names><![CDATA[Jesica]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Pisoni]]></surname>
<given-names><![CDATA[Cecilia]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[González-Cueto]]></surname>
<given-names><![CDATA[Daniel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Stone]]></surname>
<given-names><![CDATA[John H.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Paira]]></surname>
<given-names><![CDATA[Sergio]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Hospital J.M. Cullen Servicio de Reumatología ]]></institution>
<addr-line><![CDATA[Santa Fe ]]></addr-line>
<country>Argentina</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,CEMIC Servicio de Reumatología ]]></institution>
<addr-line><![CDATA[Buenos Aires ]]></addr-line>
<country>Argentina</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Servicio de Anatomía Patológica  ]]></institution>
<addr-line><![CDATA[Buenos Aires ]]></addr-line>
<country>Argentina</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Massachusetts General Hospital Rheumatology Unit ]]></institution>
<addr-line><![CDATA[Boston Massachusetts]]></addr-line>
<country>USA</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>09</month>
<year>2017</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>09</month>
<year>2017</year>
</pub-date>
<volume>24</volume>
<numero>3</numero>
<fpage>189</fpage>
<lpage>192</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_arttext&amp;pid=S0121-81232017000300189&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_abstract&amp;pid=S0121-81232017000300189&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_pdf&amp;pid=S0121-81232017000300189&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen La fibrosis angiocéntrica eosinofílica es una lesión tumoral infrecuente de la órbita ocular y del tracto respiratorio superior. Presentamos el caso de un hombre de 44 arios, con antecedentes de severa congestión y obstrucción nasal, y síntomas de sinusitis. Una TAC de senos paranasales mostró una masa focal de tejidos blandos de alta densidad que crecía desde la cara anterior del septum nasal. Se resecó parte del tabique. Los cortes histológicos mostraron una fibrosis concéntrica densa con patrón angiocéntrico y células inflamatorias mixtas. Se demuestra la presencia de fibrosis angiocéntrica eosinofílica. El dosaje sérico de IgG: 1.421 mg/dl (valor normal: 540-1.822) y el de IgG4: 168,70 mg/dl (valor normal: 6,1-121). Los preparados histológicos fueron inmunomarcados para IgG4 mostrando 50 plasmocitos IgG4(+)/HPF.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract Eosinophilic angiocentric fibrosis is an uncommon tumefactive lesion of the ocular orbit and upper respiratory tract. We present a 44-year old man with a history of severe nasal congestion and nasal obstruction. The patient also reported symptoms of sinusitis. Submucous thickening tissue had been locally resected and the involved anterior nasal septum cartilage partially removed. Histopathological examination of the biopsy indicated eosinophilic angiocentric fibrosis. A CT scan of the sinuses showed a high-density focal mass of soft tissue arising from the anterior aspect of the nasal septum. Examination under low power view showed dense concentric fibrosis and mixed inflammatory cells. The fibrosis was in an angiocentric pattern, resembling an onionskin. High power view showed a mixture of lymphocytes, plasma cells, numerous eosinophils, and proliferating fibroblasts. A test for serum IgG performed ten years after the patient's initial presentation was 1421 mg/dl (normal range 540-1822 mg/dl), and the serum concentration of IgG4 was 168.70 mg/dl (normal range 6.1121 mg/dl). A review of the original haematoxylin and eosin-stained slides revealed that this case was stained immunohistochemically with an IgG4 stain showing 50 IgG4-positive plasma cells/HPF.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Fibrosis angiocéntrica eosinofílica]]></kwd>
<kwd lng="es"><![CDATA[Tracto sinuso-nasal]]></kwd>
<kwd lng="es"><![CDATA[Enfermedad relacionada con IgG4]]></kwd>
<kwd lng="en"><![CDATA[Eosinophilic angiocentric fibrosis]]></kwd>
<kwd lng="en"><![CDATA[Sinonasal tract]]></kwd>
<kwd lng="en"><![CDATA[IgG4-related disease]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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