<?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>2306-4102</journal-id>
<journal-title><![CDATA[Acta ortopédica mexicana]]></journal-title>
<abbrev-journal-title><![CDATA[Acta ortop. mex]]></abbrev-journal-title>
<issn>2306-4102</issn>
<publisher>
<publisher-name><![CDATA[Colegio Mexicano de Ortopedia y Traumatología A.C.]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2306-41022015000200011</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Artritis seudoséptica presenta sinovitis por cuerpo extraño en un paciente con gota]]></article-title>
<article-title xml:lang="en"><![CDATA[Pseudoseptic arthritis with foreign body synovitis in a patient with gout]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Valerio-Morales]]></surname>
<given-names><![CDATA[IA]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Espinosa-Morales]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Sánchez-González]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Cedeño-Garcidueñas]]></surname>
<given-names><![CDATA[AL]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Pichardo-Bahena]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Lezama-Peniche]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
</contrib-group>
<aff id="A01">
<institution><![CDATA[,Secretaria de Salud Instituto Nacional de Rehabilitación ]]></institution>
<addr-line><![CDATA[México Distrito Federal]]></addr-line>
<country>México</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>04</month>
<year>2015</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>04</month>
<year>2015</year>
</pub-date>
<volume>29</volume>
<numero>2</numero>
<fpage>123</fpage>
<lpage>126</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2306-41022015000200011&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2306-41022015000200011&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2306-41022015000200011&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[La monoartritis es un reto diagnóstico para el clínico, ya que es extensa la lista de patologías asociadas. En pacientes con diagnóstico establecido de enfermedad articular inflamatoria, se acepta que la monoartritis corresponde a la exacerbación de la enfermedad de base; sin embargo, ignorar el abordaje sistematizado de las monoartritis puede generar omisiones e implicaciones diagnósticas erróneas. En este reporte se analiza el abordaje de un caso de artritis seudoséptica, simulando un ataque agudo de artritis por urato monosódico recurrente en un paciente con retención de cuerpo extraño intraarticular.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Monoarthritis is a diagnostic challenge for the clinician, as the list of associated conditions is quite long. It is accepted that in patients with a diagnosis of inflammatory joint disease monoarthritis represents exacerbation of the underlying disease. However, ignoring the systematized approach to monoarthritides may lead to omissions and mistaken diagnostic implications. This report describes the approach to a case of pseudoseptic arthritis that mimicked an acute episode of recurrent arthritis due to monosodium urate in a patient with retention of an intraarticular foreign body.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[monoartritis]]></kwd>
<kwd lng="es"><![CDATA[sinovitis]]></kwd>
<kwd lng="es"><![CDATA[gota]]></kwd>
<kwd lng="es"><![CDATA[artritis seudoséptica]]></kwd>
<kwd lng="en"><![CDATA[monoarthritis]]></kwd>
<kwd lng="en"><![CDATA[synovitis]]></kwd>
<kwd lng="en"><![CDATA[gout]]></kwd>
<kwd lng="en"><![CDATA[pseudoseptic arthritis]]></kwd>
</kwd-group>
</article-meta>
</front><body><![CDATA[ <p align="justify"><font face="verdana" size="4">Caso cl&iacute;nico</font></p>     <p align="justify"><font face="verdana" size="2">&nbsp;</font></p>     <p align="center"><font face="verdana" size="4"><b>Artritis seudos&eacute;ptica presenta sinovitis por cuerpo extra&ntilde;o en un paciente con gota</b></font></p>    <p align="justify"><font face="verdana" size="2">&nbsp;</font></p>     <p align="center"><font face="verdana" size="3"><b>Pseudoseptic arthritis with foreign body synovitis in a patient with gout</b></font></p>    <p align="justify"><font face="verdana" size="2">&nbsp;</font></p>     <p align="center"><font face="verdana" size="2"><b>Valerio-Morales IA,&#42; Espinosa-Morales R,&#42; S&aacute;nchez-Gonz&aacute;lez A,&#42; Cede&ntilde;o-Garcidue&ntilde;as AL,&#42;&#42; Pichardo-Bahena R,&#42;&#42; Lezama-Peniche M&#42;&#42;&#42;</b>    <br>    <br>Instituto Nacional de Rehabilitaci&oacute;n</font></p>    <p align="justify"><font face="verdana" size="2">&nbsp;</font></p>     ]]></body>
<body><![CDATA[<p align="justify"><font face="verdana" size="2">&#42; Departamento de Reumatolog&iacute;a.    <br>&#42;&#42; Departamento de Anatom&iacute;a Patol&oacute;gica.    <br>&#42;&#42;&#42; Departamento de Ortopedia y Traumatolog&iacute;a.    <br>    <br>Instituto Nacional de Rehabilitaci&oacute;n (INR) de la Secretar&iacute;a de Salud (SS).</font></p>    <p align="justify"><font face="verdana" size="2">&nbsp;</font></p>     <p align="justify"><font face="verdana" size="2"><b>Direcci&oacute;n para correspondencia:</b>    <br>Dr. Ignacio Alfredo Valerio Morales    <br>Instituto Nacional de Rehabilitaci&oacute;n.    <br>Calzada M&eacute;xico-Xochimilco N&uacute;m. 289,    ]]></body>
<body><![CDATA[<br>Col. Arenal de Guadalupe, CP 14389, Del. Tlalpan, M&eacute;xico, D.F.    <br>Tel: 59 99 10 00, ext. 12303    <br>E-mail: <a href="mailto:dralfredovalerio@gmail.com" target="_blank">dralfredovalerio@gmail.com</a></font></p>    <p align="justify"><font face="verdana" size="2">&nbsp;</font></p>     <p align="justify"><font face="verdana" size="2"><b>RESUMEN.</b> La monoartritis es un reto diagn&oacute;stico para el cl&iacute;nico, ya que es extensa la lista de patolog&iacute;as asociadas. En pacientes con diagn&oacute;stico establecido de enfermedad articular inflamatoria, se acepta que la monoartritis corresponde a la exacerbaci&oacute;n de la enfermedad de base; sin embargo, ignorar el abordaje sistematizado de las monoartritis puede generar omisiones e implicaciones diagn&oacute;sticas err&oacute;neas. En este reporte se analiza el abordaje de un caso de artritis seudos&eacute;ptica, simulando un ataque agudo de artritis por urato monos&oacute;dico recurrente en un paciente con retenci&oacute;n de cuerpo extra&ntilde;o intraarticular.</font></p>     <p align="justify"><font face="verdana" size="2"><b>Palabras clave: </b>monoartritis, sinovitis, gota, artritis seudos&eacute;ptica.</font></p>     <p align="justify"><font face="verdana" size="2">&nbsp;</font></p>     <p align="justify"><font face="verdana" size="2"><b>ABSTRACT.</b> Monoarthritis is a diagnostic challenge for the clinician, as the list of associated conditions is quite long. It is accepted that in patients with a diagnosis of inflammatory joint disease monoarthritis represents exacerbation of the underlying disease. However, ignoring the systematized approach to monoarthritides may lead to omissions and mistaken diagnostic implications. This report describes the approach to a case of pseudoseptic arthritis that mimicked an acute episode of recurrent arthritis due to monosodium urate in a patient with retention of an intraarticular foreign body.</font></p>     <p align="justify"><font face="verdana" size="2"><b>Key words:</b> monoarthritis, synovitis, gout, pseudoseptic arthritis.</font></p>     <p align="justify"><font face="verdana" size="2">&nbsp;</font></p>     ]]></body>
<body><![CDATA[<p align="justify"><font face="verdana" size="2"><b>Introducci&oacute;n</b></font></p>     <p align="justify"><font face="verdana" size="2">Pocas entidades cl&iacute;nicas relacionadas con las articulaciones constituyen una urgencia en la actualidad,<sup>1</sup> sin embargo, la monoartritis con su variedad de diagn&oacute;sticos diferenciales puede constituir una verdadera urgencia cuando la etiolog&iacute;a es infecciosa,<sup>2</sup> la cual confiere un alto riesgo de morbimortalidad y discapacidad<sup>3</sup> al paciente que la padece, por lo que el diagn&oacute;stico y tratamiento oportunos son mandatorios. Un l&iacute;quido sinovial purulento orienta a etiolog&iacute;a infecciosa; sin embargo, puede corresponder a una presentaci&oacute;n seudos&eacute;ptica de artritis sin agente infeccioso causal.<sup>4</sup> Herramientas complementarias al diagn&oacute;stico son de utilidad en el abordaje de la monoartritis.<sup>5</sup></font></p>     <p align="justify"><font face="verdana" size="2"></font></p>    <p align="justify"><font face="verdana" size="2">&nbsp;</font></p>    <p align="justify"><font face="verdana" size="2">  <b>Presentaci&oacute;n del caso</b></font></p>     <p align="justify"><font face="verdana" size="2">Un hombre de 39 a&ntilde;os de edad sin enfermedades cr&oacute;nico-degenerativas, con antecedente de artrotom&iacute;a evacuadora por artritis s&eacute;ptica en 2007 y diagn&oacute;stico de hiperuricemia con artropat&iacute;a gotosa desde 2008 con apego irregular a su tratamiento hipouricemiante fue canalizado por el Servicio de Urgencias al Servicio de Reumatolog&iacute;a por sospecha de exacerbaci&oacute;n de artritis gotosa. El paciente refiri&oacute; que 72 horas previas not&oacute; gonalgia derecha, sin antecedente traum&aacute;tico, con incremento progresivo de la intensidad del dolor hasta ser 10/10 en EVA, as&iacute; como del volumen de la articulaci&oacute;n, con enrojecimiento de la misma, limitaci&oacute;n para la movilizaci&oacute;n sin mejorar al recibir AINE en las primeras 24 horas de tratamiento. En el examen f&iacute;sico se encontr&oacute; con monoartritis de rodilla derecha con marcada flogosis, contractura en flexi&oacute;n de 40<sup>o</sup>, sin otros hallazgos. El an&aacute;lisis de l&iacute;quido sinovial de su primera visita se detalla en la <a href="#a11t1" target="_self">tabla 1</a>. Se concluy&oacute; exacerbaci&oacute;n de gota; fue medicado con colchicina 0.5 mg cada 12 horas, naproxeno 550 mg cada 12 horas, acetato de betametasona 5 mg intramuscular en dosis &uacute;nica.</font></p>     <p align="justify"><font face="verdana" size="2"></font></p>    <p><a name="a11t1"></a></p>    <p>&nbsp;</p>    <p align="center"><img src="../img/revistas/aom/v29n2/a11t1.jpg"></p>    ]]></body>
<body><![CDATA[<p>&nbsp;</p>    <p><font size="2" face="Verdana"></font></p>     <p align="justify"><font face="verdana" size="2">En su evoluci&oacute;n, 13 d&iacute;as posteriores a su primera visita, acude con recurrencia de monoartritis no traum&aacute;tica en rodilla derecha, con derrame sinovial a tensi&oacute;n, de 12 horas de evoluci&oacute;n, elevaci&oacute;n t&eacute;rmica corporal en su domicilio no cuantificada, malestar general, incremento de temperatura local de rodilla derecha. Ante la sospecha de inoculaci&oacute;n en artrocentesis previa se abord&oacute; de nuevo el l&iacute;quido sinovial (<a href="#a11t1" target="_self">Tabla 1</a>) (2<sup>o</sup>). Se hizo complementaci&oacute;n diagn&oacute;stica con Rx de rodilla sin encontrar alteraciones estructurales significativas, por lo que se realiz&oacute; USG articular, el cual report&oacute; signo del doble contorno en cart&iacute;lago articular, as&iacute; como ecos anormales al interior del espacio articular posiblemente correspondientes a detritus y material de osteos&iacute;ntesis. Ante la alta sospecha de infecci&oacute;n concomitante a un cuadro de gota aguda se decidi&oacute; abordaje quir&uacute;rgico por parte de ortopedia encontr&aacute;ndose fragmentos de l&aacute;tex de drenaje tipo Penrose (<a href="#a11f1" target="_self">Figura 1</a>) intraarticular, el paciente recibi&oacute; doble esquema antimicrobiano por v&iacute;a intravenosa durante 10 d&iacute;as (cefalosporina tercera generaci&oacute;n), lavado y drenaje articular, termin&oacute; esquema como ambulatorio con fluoroquinolona. Se reportan los hallazgos de patolog&iacute;a y microbiolog&iacute;a en la <a href="#a11t1" target="_self">tabla 1</a> y figuras <a href="#a11f2" target="_self">2</a>, <a href="#a11f3" target="_self">3</a> y <a href="#a11f4" target="_self">4</a>  Actualmente el paciente cursa asintom&aacute;tico, recuper&oacute; completamente arcos de movimiento de rodilla tras recibir sesiones de terapia f&iacute;sica y rehabilitaci&oacute;n.</font></p>     <p align="justify"><font face="verdana" size="2"></font></p>    <p><a name="a11f1"></a></p>    <p>&nbsp;</p>    <p align="center"><img src="../img/revistas/aom/v29n2/a11f1.jpg"></p>    <p>&nbsp;</p>    <p><font size="2" face="Verdana"> </font></p>    <p><a name="a11f2"></a></p>    ]]></body>
<body><![CDATA[<p>&nbsp;</p>    <p align="center"><img src="../img/revistas/aom/v29n2/a11f2.jpg"></p>    <p>&nbsp;</p>    <p><font size="2" face="Verdana"> </font></p>    <p><a name="a11f3"></a></p>    <p>&nbsp;</p>    <p align="center"><img src="../img/revistas/aom/v29n2/a11f3.jpg"></p>    <p>&nbsp;</p>    <p><font size="2" face="Verdana"> </font></p>    <p><a name="a11f4"></a></p>    ]]></body>
<body><![CDATA[<p>&nbsp;</p>    <p align="center"><img src="../img/revistas/aom/v29n2/a11f4.jpg"></p>    <p>&nbsp;</p>    <p><font size="2" face="Verdana"></font></p>     <p align="justify"><font face="verdana" size="2"></font></p>    <p align="justify"><font face="verdana" size="2">&nbsp;</font></p>    <p align="justify"><font face="verdana" size="2">  <b>Discusi&oacute;n</b></font></p>     <p align="justify"><font face="verdana" size="2">La presentaci&oacute;n seudos&eacute;ptica de artritis est&aacute; definida como artritis que se asemeja a la artritis s&eacute;ptica en caracter&iacute;sticas cl&iacute;nicas y del l&iacute;quido sinovial pero sin encontrarse agente infeccioso alguno en el abordaje microbiol&oacute;gico exhaustivo.<sup>4</sup> Las etiolog&iacute;as de esta entidad con mayor frecuencia reportadas en la literatura se encuentran en pacientes con artropat&iacute;as inflamatorias cr&oacute;nicas que suspenden el tratamiento inmunosupresor,<sup>6</sup> artropat&iacute;as microcristalinas,<sup>7</sup> enfermedad de Lyme,<sup>8</sup> material prot&eacute;sico,<sup>9</sup> &aacute;cido hialur&oacute;nico intraarticular,<sup>10</sup> sinovitis cr&oacute;nica por cuerpo extra&ntilde;o<sup>11</sup> y artropat&iacute;a de Charcot.<sup>12</sup></font></p>     <p align="justify"><font face="verdana" size="2">En revisi&oacute;n retrospectiva del expediente f&iacute;sico del paciente se observ&oacute; que contaba con al menos tres artrocentesis previas en diferentes servicios de urgencias por monoartritis manejadas conservadoramente con AINE entre 2008 y 2012, mismas que se atribuyeron a gota aguda y que hasta nuestro primer contacto con el paciente, pudieron adjudicarse a la presencia del cuerpo extra&ntilde;o, el cual hab&iacute;a permanecido inadvertido y se descart&oacute; la posibilidad de atribuirlos a su gota, ya que la visualizaci&oacute;n de cristales de urato monos&oacute;dico (MSU) en l&iacute;quido sinovial y/o tejidos es uno de los criterios requeridos para diagnosticar artritis por MSU,<sup>13</sup> sin embargo, &eacute;stos, no fueron encontrados en ninguno de los l&iacute;quidos sinoviales extra&iacute;dos de su rodilla. A pesar de que la gota es un factor de riesgo para contraer artritis s&eacute;ptica,<sup>14</sup> esta &uacute;ltima nunca pudo diagnosticarse con el est&aacute;ndar de oro (desarrollo microbiano en cultivos).</font></p>     <p align="justify"><font face="verdana" size="2">En este caso, el USG articular con el hallazgo de material sint&eacute;tico intraarticular result&oacute; de gran utilidad para pensar en el cuerpo extra&ntilde;o como etiolog&iacute;a de la presentaci&oacute;n seudos&eacute;ptica. Sin embargo, al no contar con determinaci&oacute;n de procalcitonina s&eacute;rica y en l&iacute;quido sinovial,<sup>15</sup> el abordaje quir&uacute;rgico y tratamiento farmacol&oacute;gico emp&iacute;rico en esta presentaci&oacute;n de monoartritis suelen ser inminentes en la mayor&iacute;a de las series reportadas.<sup>16</sup> Llaman la atenci&oacute;n los per&iacute;odos de latencia entre las exacerbaciones de artritis, mismos que han descrito otros autores.<sup>11</sup> Por lo que concluimos que el paciente curs&oacute; con sinovitis latente por cuerpo extra&ntilde;o con exacerbaciones peri&oacute;dicas, atribuidas err&oacute;neamente a gota aguda. Los hallazgos histopatol&oacute;gicos en tejido sinovial obtenido en el transquir&uacute;rgico y la evoluci&oacute;n son compatibles con esta entidad.<sup>17</sup> El comportamiento cl&iacute;nico suele ser muy variable.<sup>11</sup></font></p>     ]]></body>
<body><![CDATA[<p align="justify"><font face="verdana" size="2">Se plantea la presentaci&oacute;n de este caso como evento centinela para favorecer la realizaci&oacute;n sistem&aacute;tica de artrocentesis y estudio exhaustivo del l&iacute;quido sinovial,<sup>18</sup> apegarse a recomendaciones diagn&oacute;sticas y elaborar diagn&oacute;sticos basados en evidencia, ponderar el uso de ultrasonograf&iacute;a articular por personal capacitado,<sup>5,19</sup> ya que los cuerpos extra&ntilde;os son pasados por alto en 85% de las radiograf&iacute;as simples articulares,<sup>20</sup> as&iacute; como le necesidad de validar el uso de procalcitonina s&eacute;rica y/o en l&iacute;quido sinovial<sup>15</sup> como parte del abordaje de monoartritis en nuestro medio. Finalmente, recordar que la artritis seudos&eacute;ptica es un diagn&oacute;stico de exclusi&oacute;n<sup>18</sup> tras el abordaje sistematizado y de cada paciente.</font></p>     <p align="justify"><font face="verdana" size="2">&nbsp;</font></p>    <p align="justify"><font face="verdana" size="2"><b>REFERENCIAS</b></font></p>    <!-- ref --><p align="justify"><font face="verdana" size="2">1.	Baker DG, Schumacher HR: Acute monoarthritis. N Engl J Med. 1993; 329(14): 1013-20. <a href="http://dx.doi.org/10.1056/NEJM199309303291407" target="_blank">http://dx.doi.org/10.1056/NEJM199309303291407</a></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=152148&pid=S2306-4102201500020001100001&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --><!-- ref --><p align="justify"><font face="verdana" size="2">2.	Goldenberg DL: Septic arthritis. Lancet. 1998; 351(9097): 197-202. <a href="http://dx.doi.org/10.1016/S0140-6736(97)09522-6" target="_blank">http://dx.doi.org/10.1016/S0140-6736(97)09522-6</a></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=152149&pid=S2306-4102201500020001100002&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --><!-- ref --><p align="justify"><font face="verdana" size="2">3.	Morgan DS, Fisher D, Merianos A, Currie BJ: An 18 year clinical review of septic arthritis from tropical Australia. Epidemiol Infect. 1996; 117(3): 423-8.    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=152150&pid=S2306-4102201500020001100003&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --> </font></p>     <!-- ref --><p align="justify"><font face="verdana" size="2">4.	Ho G Jr: Pseudoseptic arthritis. R I Med &#91;Internet&#93;. 1994 &#91;Accessed August 21, 2013&#93;; 77(1): 7-9.    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=152152&pid=S2306-4102201500020001100004&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --> </font></p>     <!-- ref --><p align="justify"><font face="verdana" size="2">5.	Razek AA, Fouda NS, Elmetwaley N, Elbogdady E: Sonography of the knee joint(). 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<body><![CDATA[<p align="justify"><font face="verdana" size="2">&nbsp;</font></p>    <p align="justify"><font face="verdana" size="2">      <br> <b>Nota</b>     <br>           <br> Este art&iacute;culo puede ser consultado en versi&oacute;n completa en: <a href="http://www.medigraphic.com/actaortopedica" target="_blank">http://<b>www.medigraphic.com/actaortopedica</b></a></font></p>       ]]></body><back>
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