<?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>1646-2122</journal-id>
<journal-title><![CDATA[Revista Portuguesa de Ortopedia e Traumatologia]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. Port. Ortop. Traum.]]></abbrev-journal-title>
<issn>1646-2122</issn>
<publisher>
<publisher-name><![CDATA[Sociedade Portuguesa de Ortopedia e Traumatologia]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1646-21222012000400010</article-id>
<title-group>
<article-title xml:lang="pt"><![CDATA[Trocanterite tuberculosa]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Oliveira]]></surname>
<given-names><![CDATA[João]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Judas]]></surname>
<given-names><![CDATA[Fernando]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Garruço]]></surname>
<given-names><![CDATA[António]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ferreira]]></surname>
<given-names><![CDATA[Rui]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Fonseca]]></surname>
<given-names><![CDATA[Fernando]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
</contrib-group>
<aff id="A01">
<institution><![CDATA[,Hospitais da Universidade de Coimbra Centro Hospitalar e Universitário de Coimbra Serviço de Ortopedia e Traumatologia]]></institution>
<addr-line><![CDATA[Coimbra ]]></addr-line>
<country>Portugal</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>12</month>
<year>2012</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>12</month>
<year>2012</year>
</pub-date>
<volume>20</volume>
<numero>4</numero>
<fpage>471</fpage>
<lpage>477</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.pt/scielo.php?script=sci_arttext&amp;pid=S1646-21222012000400010&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.pt/scielo.php?script=sci_abstract&amp;pid=S1646-21222012000400010&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.pt/scielo.php?script=sci_pdf&amp;pid=S1646-21222012000400010&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="pt"><p><![CDATA[A trocanterite de origem tuberculosa manifesta-se na sua fase inicial por uma discreta e inespecífica sintomatologia clínica, havendo necessidade de apoiar o diagnóstico, mesmo na fase tardia, na imagiologia e no exame microbiológico e anatomopatológico do caseum de abcessos peri-articulares. Descreve-se o caso de um doente que se apresenta com uma tumoração dolorosa na face anterior do terço proximal da coxa esquerda, de evolução arrastada, sem relação com episódio traumático. O estudo imagiológico da tumoração não foi conclusivo, mostrando uma lesão osteolítica localizada ao grande trocânter e várias coleções líquidas multi-loculadas na espessura dos músculos da coxa, levantando a suspeita de se tratar de uma neoplasia maligna, de acordo com o resultado da PET. Feita a biópsia da lesão guiada por TC, foi revelada a presença de um processo inflamatório crónico granulomatoso inespecífico. Procedeu-se a drenagem e limpeza cirúrgica do abcesso peri-articular e a colheita de um tecido granulomatoso com uma substância caseosa-esbranquiçada para exame anátomo-patológico e bacteriológico. O estudo histológico mostrou um processo inflamatório crónico granulomatoso, com granulomas do tipo tuberculóide e a pesquisa do Mycobacterium tuberculosis complex foi positiva. Foi instituída terapêutica quádrupla com Isoniazia, Etambutol, Pirazinamida e Rifampicina e, apesar de inicialmente haver diminuição da tumoração e dos sinais inflamatórios, após 2 meses de terapêutica médica re-inicia quadro álgico referido à anca esquerda e edema local, que condiciona nova cirurgia (limpeza cirúrgica, sequestrectomia e bursectomia), mantendo a terapêutica tuberculostática e bactericida por mais 4 meses. Aos 2 anos de follow-up pós-operatório, o doente mantém-se assintomático clinica e radiologicamente. Apesar de rara, a bursite trocantérica de origem tuberculosa deve ser levada em linha de conta na etiologia da síndroma dolorosa da região trocantérica de evolução arrastada e resistente ao tratamento conservador.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Trochanteritis tuberculosis manifests itself in an early stage by nonspecific clinical symptoms, and because of this there is the need to support the diagnosis, even in a late phase, in imagiological, microbiological and anatomopathological examination of the peri-articular caseum. The authors report a case of a patient with long term complaints of a painful tumoration located on the anterior surface of the proximal third of left hip, without traumatic history associated. The imagiologic study of the tumoration was inconclusive, showing an osteolytic lesion localized to the greater trochanter and several multi-loculated fluid collections on the thickness of the muscles, what make us suspect of a malignant tumor, according to the PET result. A CT-biopsy guided as been performed, revealing the presence of a nonspecific granulomatous chronic inflammatory process. It has been drain and debrided and a white caseous substance as been collected for pathological and bacteriological examination. The histologic study showed a chronic granulomatous inflammatory process with granulomas tuberculoid-type, and the research of the Mycobacterium tuberculosis complex was positive. It has been instituted a quadruple therapy with Isoniazia, Ethambutol, Pyrazinamide and Rifampicin and, although initially there was a reduction of the tumoration and inflammatory signs, after 2 months of medical therapy he re-starts the symptoms of pain and local edema of the left hip, what lead us to a second surgery (debridement, bursectomy and sequestrectomy), maintaining the treatment with tuberculostatic and bactericide for a further 4 months. With 2 years of follow-up, the patient remains clinically and radiologically asymptomatic. Although rare, we emphasize the importance of the inclusion of bone tuberculosis on the differential diagnosis of patients with a prolonged painful trochanteric syndrome resistant to conservative treatment.]]></p></abstract>
<kwd-group>
<kwd lng="pt"><![CDATA[Tuberculose óssea]]></kwd>
<kwd lng="pt"><![CDATA[grande trocanter]]></kwd>
<kwd lng="pt"><![CDATA[trocanterite]]></kwd>
<kwd lng="en"><![CDATA[Bone tuberculosis]]></kwd>
<kwd lng="en"><![CDATA[greater Trochanter]]></kwd>
<kwd lng="en"><![CDATA[trochanteritis]]></kwd>
</kwd-group>
</article-meta>
</front><body><![CDATA[ <p align="right"><b><font face="Verdana" size="2">CASO CLÍNICO</font></b></p>    <p>&nbsp;</p>    <p><b><font face="Verdana" size="4">Trocanterite tuberculosa</font></b></p>    <p>&nbsp;</p>    <p><font face="Verdana" size="2"><b>João Oliveira<sup>I</sup></b>; <b>Fernando Judas<sup>I</sup></b>; <b>António Garruço<sup>I</sup></b>; <b>Rui Ferreira<sup>I</sup></b>; <b>Fernando Fonseca<sup>I</sup></b></font></p>    <p><font face="Verdana" size="2">I. Serviço de Ortopedia e Traumatologia. Hospitais da Universidade de Coimbra. Centro Hospitalar e Universitário de Coimbra. Coimbra. Portugal.<br /></font></p>    <p>&nbsp;</p>    <p><font face="Verdana" size="2"><a name="topc"></a><a href="#c">Endereço para correspondência</a></font></p>    <p>&nbsp;</p>    <p><b><font face="Verdana" size="2">RESUMO</font></b></p><font face="verdana" size="2">    ]]></body>
<body><![CDATA[<p>A trocanterite de origem tuberculosa manifesta-se na sua fase inicial por uma discreta e inespec&iacute;fica sintomatologia cl&iacute;nica, havendo necessidade de apoiar o diagn&oacute;stico, mesmo na fase tardia, na imagiologia e no exame microbiol&oacute;gico e anatomopatol&oacute;gico do <em>caseum</em> de abcessos peri-articulares.</p>     <p>Descreve-se o caso de um doente que se apresenta com uma tumora&ccedil;&atilde;o dolorosa na face anterior do ter&ccedil;o proximal da coxa esquerda, de evolu&ccedil;&atilde;o arrastada, sem rela&ccedil;&atilde;o com epis&oacute;dio traum&aacute;tico. O estudo imagiol&oacute;gico da tumora&ccedil;&atilde;o n&atilde;o foi conclusivo, mostrando uma les&atilde;o osteol&iacute;tica localizada ao grande troc&acirc;nter e v&aacute;rias cole&ccedil;&otilde;es l&iacute;quidas multi-loculadas na espessura dos m&uacute;sculos da coxa, levantando a suspeita de se tratar de uma neoplasia maligna, de acordo com o resultado da PET. Feita a bi&oacute;psia da les&atilde;o guiada por TC, foi revelada a presen&ccedil;a de um processo inflamat&oacute;rio cr&oacute;nico granulomatoso inespec&iacute;fico. Procedeu-se a drenagem e limpeza cir&uacute;rgica do abcesso peri-articular e a colheita de um tecido granulomatoso com uma subst&acirc;ncia caseosa-esbranqui&ccedil;ada para exame an&aacute;tomo-patol&oacute;gico e bacteriol&oacute;gico. O estudo histol&oacute;gico mostrou um processo inflamat&oacute;rio cr&oacute;nico granulomatoso, com granulomas do tipo tubercul&oacute;ide e a pesquisa do <em>Mycobacterium tuberculosis complex</em> foi positiva.</p>     <p>Foi institu&iacute;da terap&ecirc;utica qu&aacute;drupla com Isoniazia, Etambutol, Pirazinamida e Rifampicina e, apesar de inicialmente haver diminui&ccedil;&atilde;o da tumora&ccedil;&atilde;o e dos sinais inflamat&oacute;rios, ap&oacute;s 2 meses de terap&ecirc;utica m&eacute;dica re-inicia quadro &aacute;lgico referido &agrave; anca esquerda e edema local, que condiciona nova cirurgia (limpeza cir&uacute;rgica, sequestrectomia e bursectomia), mantendo a&nbsp; terap&ecirc;utica tuberculost&aacute;tica e bactericida por mais 4 meses. Aos 2 anos de <em>follow-up</em> p&oacute;s-operat&oacute;rio, o doente mant&eacute;m-se assintom&aacute;tico clinica e radiologicamente.</p>     <p>Apesar de rara, a bursite trocant&eacute;rica de origem tuberculosa deve ser levada em linha de conta na etiologia da s&iacute;ndroma dolorosa da regi&atilde;o trocant&eacute;rica de evolu&ccedil;&atilde;o arrastada e resistente ao tratamento conservador.</p></font>    <p><font face="verdana" size="2"><b>Palavras chave</b>: Tuberculose óssea, grande trocanter, trocanterite. </font></p>    <p>&nbsp;</p>    <p><b><font face="Verdana" size="2">ABSTRACT</font></b></p><font face="verdana" size="2">    <p>Trochanteritis tuberculosis manifests itself in an early stage by nonspecific clinical symptoms, and because of this there is the need to support the diagnosis, even in a late phase, in imagiological, microbiological and anatomopathological examination of the peri-articular caseum.</p>     <p>The authors report a case of a patient with long term complaints of a painful tumoration located on the anterior surface of the proximal third of left hip, without traumatic history associated. The imagiologic study of the tumoration was inconclusive, showing an osteolytic lesion localized to the greater trochanter and several multi-loculated fluid collections on the thickness of the muscles, what make us suspect of a malignant tumor, according to the PET result. A CT-biopsy guided as been performed, revealing the presence of a nonspecific granulomatous chronic inflammatory process. It has been drain and debrided and a white caseous substance as been collected for pathological and bacteriological examination. The histologic study showed a chronic granulomatous inflammatory process with granulomas tuberculoid-type, and the research of the <em>Mycobacterium tuberculosis complex</em> was positive.</p>     <p>It has been instituted a quadruple therapy with Isoniazia, Ethambutol, Pyrazinamide and Rifampicin and, although initially there was a reduction of the tumoration and inflammatory signs, after 2 months of medical therapy he re-starts the symptoms of pain and local edema of the left hip, what lead us to a second surgery (debridement, bursectomy and sequestrectomy), maintaining the treatment with tuberculostatic and bactericide for a further 4 months. With 2 years of follow-up, the patient remains clinically and radiologically asymptomatic.</p>     ]]></body>
<body><![CDATA[<p>Although rare, we emphasize the importance of the inclusion of bone tuberculosis on the differential diagnosis of patients with a prolonged painful trochanteric syndrome resistant to conservative treatment.</p></font>    <p><font face="verdana" size="2"><b>Key words</b>: Bone tuberculosis, greater Trochanter, trochanteritis. </font></p>    <p>&nbsp;</p>    <p><b><font face="Verdana" size="2">INTRODUÇÃO</font></b></p><font face="verdana" size="2">    <p>A tuberculose continua a ser uma das principais causa de morte em todo o Mundo devido a doen&ccedil;a infeciosa, sendo que a sua preval&ecirc;ncia continua a aumentar, particularmente em pa&iacute;ses subdesenvolvidos[1]. Em Pa&iacute;ses desenvolvidos, os factores predisponentes mais importantes s&atilde;o a infe&ccedil;&atilde;o pelo v&iacute;rus da imunodefici&ecirc;ncia humana[<sup>2,3</sup>] e a idade. Outro importante fator s&atilde;o as forma de <em>M. Tuberculosis</em> resistentes &agrave; terap&ecirc;utica[<sup>1, 4</sup>].</p>
    <p>Em mais de 85% dos casos de Tuberculose, o sistema respirat&oacute;rio &eacute; afetado. A localiza&ccedil;&atilde;o osteo-articular n&atilde;o &eacute; frequente[5]. Em 20.000 novos registo de tuberculose extra-pulmonar de 22 pa&iacute;ses observou-se que em 19% dos casos eram atingidos o osso ou a articula&ccedil;&atilde;o[6], sendo multifocal em 72,2% [7]. Quando a sua dissemina&ccedil;&atilde;o &eacute; osteo-articular, o grande trocanter &eacute; afectado em apenas 1-2% dos casos[<sup>5,8,9</sup>].</p>
    <p>O diagn&oacute;stico de uma trocanterite tuberculosa &eacute; dif&iacute;cil e desafiante, uma vez que os sinais cl&iacute;nicos s&atilde;o inespec&iacute;ficos, o estudo radiol&oacute;gico inicialmente &eacute; pouco &uacute;til e s&atilde;o raros os casos que se apresentam com um volumoso abcesso peri-articular. Para obter o diagn&oacute;stico, frequentemente s&atilde;o necess&aacute;rias t&eacute;cnicas mais invasivas assim como o recurso a estudo microbiol&oacute;gico e an&aacute;tomo-patol&oacute;gico.</p></font>    <p>&nbsp;</p>    <p><b><font face="Verdana" size="2">CASO CLÍNICO</font></b></p><font face="verdana" size="2">    <p>Doente do sexo masculino, 85 anos de idade, com antecedentes patol&oacute;gicos de pleuresia h&aacute; 65 anos, internado pelo Servi&ccedil;o de Urg&ecirc;ncia por quadro de queixas arrastada de dor e edema localizados &agrave; face anterior do ter&ccedil;o proximal da coxa esquerda (<a href="#f1">Figura 1</a>), sem hist&oacute;ria traum&aacute;tica associada. Analiticamente apresenta uma PCR de 2,27 mg/dL e VS de 35 mm/hora (sem outras altera&ccedil;&otilde;es significativas). O estudo ecogr&aacute;fico revela um cole&ccedil;&atilde;o heterog&eacute;nea com parede moderadamente espessada e a radiologia convencional da bacia (<a href="#f2">Figura 2</a>) levanta a suspeita de se tratar de uma les&atilde;o l&iacute;tica localizada ao grande trocanter esquerdo. A TC (<a href="#f3">Figura 3</a>) confirma a presen&ccedil;a de uma les&atilde;o osteol&iacute;tica associada a uma cole&ccedil;&atilde;o l&iacute;quida multi-loculada com calcifica&ccedil;&otilde;es e a bi&oacute;psia guiada por TC revela no estudo an&aacute;tomo-patol&oacute;gico a presen&ccedil;a de um processo inflamat&oacute;rio cr&oacute;nico granulomatoso inespec&iacute;fico. Na RNM (<a href="#f4">Figura 4</a>) observam-se v&aacute;rias cole&ccedil;&otilde;es abcedadas na espessura dos m&uacute;sculos da coxa e interrup&ccedil;&atilde;o da cortical ao n&iacute;vel do grande trocanter e por Angiogragia (<a href="#f5">Figura 5</a>) constata-se que a les&atilde;o osteol&iacute;tica &eacute; vascularizada pela art&eacute;ria il&iacute;aca interna.<strong> </strong>Perante a aus&ecirc;ncia de diagnostico, realiza um cintigrama ao esqueleto e um PET (<a href="/img/revistas/rpot/v20n4/20n4a09f6.jpg">Figura 6</a>), que levanta a suspeita de se tratar de uma massa neopl&aacute;sica maligna com envolvimento ganglionar secund&aacute;rio.</p>    
]]></body>
<body><![CDATA[<p>&nbsp;</p>    <p>    <center><a name="f1"></a><img src="/img/revistas/rpot/v20n4/20n4a09f1.jpg"></center></p>    
<p>&nbsp;</p>    <p>    <center><a name="f2"></a><img src="/img/revistas/rpot/v20n4/20n4a09f2.jpg"></center></p>    
<p>&nbsp;</p>    <p>    <center><a name="f3"></a><img src="/img/revistas/rpot/v20n4/20n4a09f3.jpg"></center></p>    
<p>&nbsp;</p>    ]]></body>
<body><![CDATA[<p>    <center><a name="f4"></a><img src="/img/revistas/rpot/v20n4/20n4a09f4.jpg"></center></p>    
<p>&nbsp;</p>    <p>    <center><a name="f5"></a><img src="/img/revistas/rpot/v20n4/20n4a09f5.jpg"></center></p>    
<p>&nbsp;</p>    <p>    <center><a href="/img/revistas/rpot/v20n4/20n4a09f6.jpg">Figura 6</a></center></p>    
<p>&nbsp;</p>
    <p>Dada a evolu&ccedil;&atilde;o da tumora&ccedil;&atilde;o ao n&iacute;vel da coxa esquerda, que se encontrava sob tens&atilde;o, e a indefini&ccedil;&atilde;o diagnostica, &eacute; submetido a drenagem, limpeza e bi&oacute;psia cir&uacute;rgica aberta com colheita de um tecido granulomatoso com uma subst&acirc;ncia caseosa-esbranqui&ccedil;ada para estudo an&aacute;tomo-patol&oacute;gico e bacteriol&oacute;gico.</p>
    ]]></body>
<body><![CDATA[<p>O estudo an&aacute;tomo-patol&oacute;gico revela a presen&ccedil;a de um processo inflamat&oacute;rio cr&oacute;nico granulomatoso, com granulomas do tipo tubercul&oacute;ide, alguns com necrose central, e a presen&ccedil;a de c&eacute;lulas gigantes do tipo Langerhans. A pesquisa de micobact&eacute;rias no pus do abcesso &eacute; positiva para <em>Mycobacterium tuberculosis complex</em> (por Quantiferon&reg;-Tb Test). Encaminhado para o Servi&ccedil;o de Luta Anti-Tuberculosa, inicia terap&ecirc;utica qu&aacute;drupla (Isoniazia, Etambutol, Pirazinamida e Rifampicina). Inicialmente apesenta diminui&ccedil;&atilde;o da tumora&ccedil;&atilde;o e dos sinais inflamat&oacute;rios, por&eacute;m e ap&oacute;s 2 meses de terap&ecirc;utica tuberculost&aacute;tica e bactericida, re-inicia quadro &aacute;lgico referido &agrave; anca esquerda e edema local, que condiciona nova cirurgia (limpeza cir&uacute;rgica, sequestrectomia e bursectomia).</p>
    <p>Ap&oacute;s 6 meses de terap&ecirc;utica tuberculost&aacute;tica e bactericida e com 2 anos de <em>follow-up</em> p&oacute;s-operat&oacute;rio, o doente mant&eacute;m-se assintom&aacute;tico cl&iacute;nica e radiologicamente.</p></font>    <p>&nbsp;</p>    <p><b><font face="Verdana" size="2">DISCUSSÃO</font></b></p><font face="verdana" size="2">    <p>A tuberculose extrapulmonar pode originar-se por: 1) dissemina&ccedil;&atilde;o canalar, associada a tuberculose pulmonar ativa, particularmente de longa evolu&ccedil;&atilde;o e sem tratamento; 2) dissemina&ccedil;&atilde;o linf&aacute;tica e/ou hem&aacute;tica por ocasi&atilde;o da primoinfec&ccedil;&atilde;o, usualmente n&atilde;o associada a tuberculose pulmonar activa e 3) extens&atilde;o da les&atilde;o para estruturas adjacentes (contiguidade).</p>
    <p>A tuberculose osteoarticular resulta da dissemina&ccedil;&atilde;o do bacilo de <em>Koch</em> de um foco ativo ou n&atilde;o de uma qualquer parte do organismo[10]. A tuberculose &oacute;ssea normalmente atinge a por&ccedil;&atilde;o anterior dos corpos vertebrais e a met&aacute;fise dos ossos longos. Teale[11] foi o primeiro a descrever a trocanterite tuberculosa em 1870.&nbsp;</p>
    <p>&Eacute; atual a discuss&atilde;o sobre se a anormalidade inicial &eacute; a oste&iacute;te trocant&eacute;rica ou a infe&ccedil;&atilde;o de uma das bursas. Alvik[12] e mais tarde Ahern[13], defendem que a dissemina&ccedil;&atilde;o seria da bursa para o osso. Segundo Lampe[14] a les&atilde;o come&ccedil;a ao n&iacute;vel do grande trocanter devido &agrave; presen&ccedil;a de foci enquistados. J&aacute; Lindahl, Ahlberg e McNeur[<sup>14, 9,15</sup>] acreditam que a les&atilde;o prim&aacute;ria pode ser tanto na bursa como no osso.</p>
    <p>A trocanterite tuberculosa &eacute; uma entidade relativamente rara, estando descrita em apenas 1-2% dos casos de tuberculose &oacute;ssea[<sup>5,8,9</sup>], apresentando uma marcada tend&ecirc;ncia &agrave; recorr&ecirc;ncia[15].</p>
    <p>A les&atilde;o &oacute;ssea t&iacute;pica causa destrui&ccedil;&atilde;o, rarefac&ccedil;&atilde;o e sequestro. A calcifica&ccedil;&atilde;o de tecidos moles revela a actividade da doen&ccedil;a nos tecidos circundantes. Um padr&atilde;o l&iacute;tico com destrui&ccedil;&atilde;o do trocanter ocorre se n&atilde;o tratada.</p>
    <p>O tratamento deve ser iniciado o mais rapidamente poss&iacute;vel com o objetivo de &ldquo;salving the hip&rdquo;[17]. Sendo a trocanterite tuberculosa extra-articular, especial cuidado deve ser tido no sentido de evitar iatrogenia intra-operat&oacute;ria e a sua dissemina&ccedil;&atilde;o articular por m&aacute; abordagem cir&uacute;rgica.</p>
    ]]></body>
<body><![CDATA[<p>A apresenta&ccedil;&atilde;o cl&iacute;nica da tuberculose do grande trocanter &eacute; frequentemente vaga e um abcesso frio surgindo na regi&atilde;o trocant&eacute;rica pode estar tanto presente medial ou mais comummente lateralmente[<sup>8, 18</sup>]. Ainda assim, a principal dificuldade no diagn&oacute;stico de uma infe&ccedil;&atilde;o tuberculosa da bursa trocant&eacute;rica continua a ser a sua falta de inclus&atilde;o na lista dos diagn&oacute;sticos diferenciais. Ap&oacute;s a suspei&ccedil;&atilde;o diagn&oacute;stica, o estudo por TC ou RNM, onde frequentemente se verifica uma les&atilde;o l&iacute;tica com comunica&ccedil;&atilde;o justacortical abcedada s&atilde;o fortes fatores preditores de tuberculose &oacute;ssea. Nestes casos, a biopsia associada a estudo microbiol&oacute;gico e an&aacute;tomo-patol&oacute;gico permitem a confirma&ccedil;&atilde;o do diagn&oacute;stico[5].</p>
    <p>Um diagn&oacute;stico precoce &eacute; extremamente importante pois 90-95% dos pacientes chega a atingir uma fun&ccedil;&atilde;o proxima do normal quando este &eacute; efectuado[<sup>19, 20</sup>].</p>
    <p>Ap&oacute;s o diagn&oacute;stico, o tratamento mais indicado assenta na remo&ccedil;&atilde;o cir&uacute;rgica do tecido infetado (bursa e &oacute;sseo)[<sup>19, 20</sup>]. Paralelamente um esquema de quimioterapia durante 4-18 meses deve ser associado[<sup>19, 20</sup>], sendo que a sua data de inicio e dura&ccedil;&atilde;o s&atilde;o tema de controversia.</p>
    <p>O objetivo deste caso cl&iacute;nico &eacute; o de chamar a aten&ccedil;&atilde;o para esta entidade cl&iacute;nica pouco comum e para a sua suspei&ccedil;&atilde;o diagnostica. Salienta-se assim a import&acirc;ncia da inclus&atilde;o da tuberculose &oacute;ssea no diagn&oacute;stico diferencial de pacientes com bursite trocant&eacute;rica resistente ao tratamento conservador, assim como aqueles com sintomatologia osteoarticular de longa dura&ccedil;&atilde;o.</p>
    <p>Apesar de rara, a tuberculose &oacute;ssea &eacute; uma realidade, devendo todos n&oacute;s estarmos alerta para esta doen&ccedil;a uma vez que o resultado final em muito se relaciona com o seu diagn&oacute;stico precoce.</p></font>    <p>&nbsp;</p>    <p><b><font face="Verdana" size="2">REFERÊNCIAS BIBLIOGRÁFICAS</font></b></p>    <!-- ref --><p><font face="verdana" size="2">1. Ramanath V. S., Damron T.A., Ambrose J.L., Rose F.B.. Tuberculosis of the hip as the presenting sign of HIV and simulating pigmented villonodular synovitis. Skeletal Radiol. 2002; 31: 426-429</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=000070&pid=S1646-2122201200040001000001&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --><!-- ref --><p><font face="verdana" size="2">2. Yamamoto T., Iwasaki Y., Kurosaka M..  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Bull Int Union Tuberc. 1979; 54: 291-293</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=000075&pid=S1646-2122201200040001000006&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --><!-- ref --><p><font face="verdana" size="2">7. Wassersug J.D.. Tuberculosis of the Greater Trochanter and Trochanteric Bursae. The Jounal of Bone and Joint Surg. 1940; 22: 1075-1079</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=000076&pid=S1646-2122201200040001000007&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --><!-- ref --><p><font face="verdana" size="2">8. Groulier P., Curvale G., Franceschi J.P., Bataille J.F.. Tuberculosis of the Greater Trochanter. 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Acta Tuberculosea Scandinavica. 1952; 26: 289-300</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=000085&pid=S1646-2122201200040001000016&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --><!-- ref --><p><font face="verdana" size="2">17. Babhulkar S., Pandel S.. Tuberculosis of the Hip. Clin Orthop Relat Res. 2002; 398: 93-99</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=000086&pid=S1646-2122201200040001000017&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --><!-- ref --><p><font face="verdana" size="2">18. Lynch AF. Tuberculosis of the Greater Trochanter – A report of eight cases. The Jounal of Bone and Joint Surg. 1982; 64-B (2): 195-188</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=000087&pid=S1646-2122201200040001000018&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --><!-- ref --><p><font face="verdana" size="2">19. Shembekar A., Babhulkar S.. Chemotherapy for osteoarticular tuberculosis. Clin Orthop. 2002; 398: 20-26</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=000088&pid=S1646-2122201200040001000019&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --><!-- ref --><p><font face="verdana" size="2">20. Tuli S.M.. General principles of osteoarticular tuberculosis. Clin Orthop. 2002; 398: 11-19</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=000089&pid=S1646-2122201200040001000020&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --><p>&nbsp;</p>    <p><b><font face="Verdana" size="2">Conflito de interesse: </font></b></p><font face="verdana" size="2">    <p>Nada a declarar.</p></font>    ]]></body>
<body><![CDATA[<p>&nbsp;</p><a name="c"></a>    <p><b><font face="Verdana" size="2"><a href="#topc">Endereço para correspondência</a></font></b></p>    <p><font face="Verdana" size="2">João Pedro Oliveira    <br>Serviço de Ortopedia e Traumatologia    <br>Hospitais da Universidade de Coimbra    <br>Praceta Mota Pinto    <br>3000-075 Coimbra    <br>Portugal    <br><a href="mailto:dr.jpoliveira@gmail.com">dr.jpoliveira@gmail.com</a>    <br></font></p>    ]]></body>
<body><![CDATA[<p>&nbsp;</p>    <p><font face="verdana" size="2"><b>Data de Submissão: </b> 2012-07-02</font></p>    <p><font face="verdana" size="2"><b>Data de Revisão: </b> 2012-09-28</font></p>    <p><font face="verdana" size="2"><b>Data de Aceitação: </b> 2012-10-31</font></p>     ]]></body><back>
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