<?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>S1646-21222014000100017</article-id>
<title-group>
<article-title xml:lang="pt"><![CDATA[Hemangioma intramuscular: uma causa rara de equinismo]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ramos]]></surname>
<given-names><![CDATA[André]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Sant' Anna]]></surname>
<given-names><![CDATA[Francisco]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Freitas]]></surname>
<given-names><![CDATA[Filipa]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Luís]]></surname>
<given-names><![CDATA[Nuno]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Correia]]></surname>
<given-names><![CDATA[Robalo]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Flores]]></surname>
<given-names><![CDATA[Francisco]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
</contrib-group>
<aff id="A01">
<institution><![CDATA[,Centro Hospitalar de Lisboa Central Hospital de Dona Estefânia ]]></institution>
<addr-line><![CDATA[Lisboa ]]></addr-line>
<country>Portugal</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>03</month>
<year>2014</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>03</month>
<year>2014</year>
</pub-date>
<volume>22</volume>
<numero>1</numero>
<fpage>159</fpage>
<lpage>164</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.pt/scielo.php?script=sci_arttext&amp;pid=S1646-21222014000100017&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.pt/scielo.php?script=sci_abstract&amp;pid=S1646-21222014000100017&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.pt/scielo.php?script=sci_pdf&amp;pid=S1646-21222014000100017&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="pt"><p><![CDATA[Criança com 5 anos, sexo feminino referenciada à consulta de Ortopedia Infantil por deformidade em equino do tornozelo direito. A ressonância magnética confirmou o diagnóstico de hemangioma intramuscular do gémeo interno. Submetida a excisão radical do músculo atingido, com bons resultados funcionais.Luís]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[5-year-old female, presented for Infantile Orthopaedics Consult with an unilateral equinus ankle. The magnetic resonance confirmed the diagnosis of Intramuscular haemangioma of proximal gastrocnemius. A radical excision of the muscle was performed, with good result.]]></p></abstract>
<kwd-group>
<kwd lng="pt"><![CDATA[Hemangioma intramuscular]]></kwd>
<kwd lng="pt"><![CDATA[angioma]]></kwd>
<kwd lng="pt"><![CDATA[equinismo unilateral]]></kwd>
<kwd lng="pt"><![CDATA[excisão radical do gémeo interno]]></kwd>
<kwd lng="en"><![CDATA[Intramuscular hemangioma]]></kwd>
<kwd lng="en"><![CDATA[angioma]]></kwd>
<kwd lng="en"><![CDATA[unilateral equinus]]></kwd>
<kwd lng="en"><![CDATA[radical excision of muscle]]></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">Hemangioma intramuscular - uma causa rara de equinismo</font></b></p>    <p>&nbsp;</p>    <p><font face="Verdana" size="2"><b>André Ramos<sup>I</sup></b>; <b>Francisco Sant' Anna<sup>I</sup></b>; <b>Filipa Freitas<sup>I</sup></b>; <b>Nuno Luís<sup>I</sup></b>; <b>Robalo Correia<sup>I</sup></b>; <b>Francisco Flores<sup>I</sup></b></font></p>    <p><font face="Verdana" size="2">I. Centro Hospitalar de Lisboa Central. Hospital de Dona Estefânia. Lisboa. 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>Crian&ccedil;a com 5 anos, sexo feminino referenciada &agrave; consulta de Ortopedia Infantil por deformidade em equino do tornozelo direito. A resson&acirc;ncia magn&eacute;tica confirmou o diagn&oacute;stico de hemangioma intramuscular do g&eacute;meo interno. Submetida a excis&atilde;o radical do m&uacute;sculo atingido, com bons resultados funcionais.Lu&iacute;s</p></font>    <p><font face="verdana" size="2"><b>Palavras chave</b>: Hemangioma intramuscular, angioma, equinismo unilateral, excisão radical do gémeo interno. </font></p>    <p>&nbsp;</p>    <p><b><font face="Verdana" size="2">ABSTRACT</font></b></p><font face="verdana" size="2">    <p>5-year-old female, presented for Infantile Orthopaedics Consult with an unilateral equinus ankle. The magnetic resonance confirmed the diagnosis of Intramuscular haemangioma of proximal gastrocnemius. A radical excision of the muscle was performed, with good result.</p></font>    <p><font face="verdana" size="2"><b>Key words</b>: Intramuscular hemangioma, angioma, unilateral equinus, radical excision of muscle. </font></p>    <p>&nbsp;</p>    <p><b><font face="Verdana" size="2">INTRODUÇÃO</font></b></p><font face="verdana" size="2">    <p>Os hemangiomas intramusculares s&atilde;o raros, constituindo &lt;1% de todas as les&otilde;es vasculares benignas<sup>1</sup>. O seu diagn&oacute;stico &eacute; realizado habitualmente na inf&acirc;ncia, sendo muitas vezes confundidos com les&otilde;es malignas devido ao seu r&aacute;pido crescimento. A evolu&ccedil;&atilde;o deste tumor pode traduzir perda de fun&ccedil;&atilde;o do m&uacute;sculo e consequente deformidade, altura em que muitas vezes, principalmente no caso de les&otilde;es profundas, &eacute; feito o diagn&oacute;stico. Relativamente aos tumores superficiais, o diagn&oacute;stico &eacute; habitualmente mais precoce, precedendo as altera&ccedil;&otilde;es funcionais.</p>
    <p>Sutherland em 1975, e mais recentemente Klemme em 1994, relataram um total de 6 casos de hemangioma intramuscular dos g&eacute;meos com deformidade em equino, apresentando bons resultados ap&oacute;s tratamento cir&uacute;rgico.</p>
    ]]></body>
<body><![CDATA[<p>Tratando-se de uma patologia rara, com um potencial sequelar funcional importante, consider&aacute;mos relevante o relato do presente caso cl&iacute;nico.</p></font>    <p>&nbsp;</p>    <p><b><font face="Verdana" size="2">CASO CLÍNICO</font></b></p><font face="verdana" size="2">    <p>C.R., sexo feminino, 5 anos. Recorre &agrave; consulta externa de Ortopedia Infantil do Hospital de Dona Estef&acirc;nia em outubro de 2011 por marcha em equino &agrave; direita com 1 ano de evolu&ccedil;&atilde;o, associada a dor gemelar difusa. Sem antecedentes pessoais ou familiares relevantes.</p></font>    <p><b><font face="Verdana" size="2">Exame objetivo</font></b></p><font face="verdana" size="2">    <p>Marcha em equino &agrave; direita. Teste de Silfverskiold positivo (joelho em extens&atilde;o: -40&ordm; de dorsiflex&atilde;o; Joelho a 90&ordm; de flex&atilde;o &ndash; dorsiflex&atilde;o plantar neutra). Tumefa&ccedil;&atilde;o generalizada da massa gemelar &agrave; direita, com dor difusa &agrave; palpa&ccedil;&atilde;o. Sem massas distintas palp&aacute;veis. N&atilde;o eram vis&iacute;veis altera&ccedil;&otilde;es cut&acirc;neas. Sem altera&ccedil;&otilde;es ao exame neurol&oacute;gico. O lado contralateral n&atilde;o apresentava altera&ccedil;&otilde;es ao exame objetivo.</p></font>    <p><b><font face="Verdana" size="2">Exames complementares de diagnóstico</font></b></p><font face="verdana" size="2">    <p>Radiograma simples: n&atilde;o revelou altera&ccedil;&otilde;es, nomeadamente da densidade &oacute;ssea ou calcifica&ccedil;&otilde;es heterot&oacute;picas.</p>
    <p>Resson&acirc;ncia Magn&eacute;tica (RM): &ldquo;Observamos no g&eacute;meo interno extensa les&atilde;o vascular intramuscular, que no ter&ccedil;o superior da perna ocupa praticamente toda a espessura gemelar interna, medindo aproximadamente 69x35x25mm&rdquo; (<a name="topf1"></a><a href="#f1">Figura 1</a>).</p>    <p>&nbsp;</p><a name="f1"></a>     ]]></body>
<body><![CDATA[<p>    <center><img src="/img/revistas/rpot/v22n1/22n1a17f1.jpg" width="393" height="376" border="0" /></center></p>    
<p>&nbsp;</p>
    <p>As caracter&iacute;sticas imagiol&oacute;gicas da les&atilde;o foram conclusivas, permitindo afirmar o diagn&oacute;stico de hemangioma intramuscular.</p></font>    <p><b><font face="Verdana" size="2">Tratamento</font></b></p><font face="verdana" size="2">    <p>Submetida a excis&atilde;o radical do g&eacute;meo interno com alongamento do tend&atilde;o de aquiles e imobiliza&ccedil;&atilde;o com tala gessada cruro-pod&aacute;lica (<a href="/img/revistas/rpot/v22n1/22n1a17f2.jpg">Figura 2</a>).</p>    
<p>&nbsp;</p>    <p>    <center><a href="/img/revistas/rpot/v22n1/22n1a17f2.jpg">Figura 2</a></center></p>    
<p>&nbsp;</p></font>    ]]></body>
<body><![CDATA[<p><b><font face="Verdana" size="2">Exame histopatológico</font></b></p><font face="verdana" size="2">    <p>Hemangioma intramuscular: &ldquo;Identifica-se les&atilde;o vascular polim&oacute;rfica, constitu&iacute;da por vasos ectasiados de parede fina, vasos de parede espessa irregular e &aacute;reas de tecido mix&oacute;ide com neovasos.&rdquo;</p></font>    <p><b><font face="Verdana" size="2">Seguimento</font></b></p><font face="verdana" size="2">    <p>N&atilde;o se registaram complica&ccedil;&otilde;es no p&oacute;s-operat&oacute;rio imediato. Manteve a imobiliza&ccedil;&atilde;o por um per&iacute;odo de 4 semanas, ap&oacute;s o qual realizou fisioterapia para recupera&ccedil;&atilde;o funcional. Foi observada em consulta externa 9 meses ap&oacute;s cirurgia, constatando-se marcha plant&iacute;grada, sem limita&ccedil;&otilde;es funcionais ou queixas &aacute;lgicas.</p></font>    <p>&nbsp;</p>    <p><b><font face="Verdana" size="2">DISCUSSÃO</font></b></p><font face="verdana" size="2">    <p>Os hemangiomas vasculares s&atilde;o os tumores benignos mais frequentes em idade pedi&aacute;trica, constituindo 7% de todos os tumores benignos. Histologicamente caracterizam-se por uma anormalidade vascular com hiperplasia endotelial e predom&iacute;nio de mast&oacute;citos. Podem estar localizados em tecidos superficiais (cut&acirc;neos ou subcut&acirc;neos) ou profundos (intramusculares). Os hemangiomas superficiais caracterizam-se por uma massa palp&aacute;vel habitualmente indolor, enquanto os profundos manifestam-se por uma tumefa&ccedil;&atilde;o e dor difusa, exacerbada pela atividade f&iacute;sica. A cl&iacute;nica menos exuberante dos hemangiomas intramusculares conduz ao seu diagn&oacute;stico tardio, muitas vezes quando j&aacute; se verifica altera&ccedil;&atilde;o da fun&ccedil;&atilde;o do m&uacute;sculo atingido. O exame complementar de diagn&oacute;stico de elei&ccedil;&atilde;o &eacute; a resson&acirc;ncia magn&eacute;tica, sendo habitualmente conclusivo.</p>
    <p>A ressec&ccedil;&atilde;o cir&uacute;rgica tumoral &eacute; um procedimento eficaz no tratamento dos hemangiomas intramusculares. A taxa de recidiva (&asymp; 20%) est&aacute; relacionada principalmente com as margens de seguran&ccedil;a tumoral<sup>,</sup>.</p>
    <p>O equinismo unilateral adquirido na inf&acirc;ncia &eacute; uma situa&ccedil;&atilde;o pouco frequente, sendo na maior parte das vezes manifesta&ccedil;&atilde;o de patologia neuromuscular. A invas&atilde;o tumoral dos g&eacute;meos &eacute; um causa rara de equinismo, com poucos casos descritos na literatura. Principalmente se considerarmos os hemangiomas intramusculares como entidade etiol&oacute;gica.</p>
    <p>Relativamente ao caso em quest&atilde;o, constatou-se ao exame objetivo uma marcha com deformidade em equino unilateral. Sendo o teste de Silfverskiold positivo, conclu&iacute;mos a exist&ecirc;ncia de contractura dos g&eacute;meos. A cl&iacute;nica insidiosa (dor difusa e tumefa&ccedil;&atilde;o), assim como a inexist&ecirc;ncia de outros achados semiol&oacute;gicos, levantou a suspeita de les&atilde;o tumoral intramuscular dos g&eacute;meos. A realiza&ccedil;&atilde;o de RMN confluiu o diagn&oacute;stico.</p>
    ]]></body>
<body><![CDATA[<p>O facto da les&atilde;o vascular apresentar uma extens&atilde;o extracompartimental, envolvendo o tecido adiposo do escavado popliteu, levou-nos a optar pela excis&atilde;o radical do g&eacute;meo interno, de forma a minimizar o risco de recidiva.</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. Picci P, Sudanese A, Greggi T. Intramuscular Hemangioma in infancy: Diagnostic and Therapeutic Considerations. Journal of Pediatric Orthopaedics. 1989; 9: 72-75</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=000056&pid=S1646-2122201400010001700001&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --><!-- ref --><p><font face="verdana" size="2">2. Sutherland AD. Equinus deformity due to haemangioma of calf muscle. J Bone Joint Surg (Br). 1975; 57: 104-105</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=000057&pid=S1646-2122201400010001700002&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --><!-- ref --><p><font face="verdana" size="2">3. Klemme WR, Skinner SR. Latent Onset Unilateral Toe-Walking Secondary to Hemangioma of the Gastrocnemius. Journal of Pediatric Orthopaedics. 1994; 14: 773-775</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=000058&pid=S1646-2122201400010001700003&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --><!-- ref --><p><font face="verdana" size="2">4. Teo EHJ, Strouse PJ, Hernandez RJ. MR imaging differentiation of soft-tissue hemangiomas from malignant soft-tissues masses. AJR. 2000; 174: 1623-1628</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=000059&pid=S1646-2122201400010001700004&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --><!-- ref --><p><font face="verdana" size="2">5. Canavese F, Soo BC, Chia SK. Surgical Outcome in Patients Treated for Hemangioma During Infancy, Childhood, and Adolescence. Journal of Pediatric Orthopaedics. 2008; 28: 381-386</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=000060&pid=S1646-2122201400010001700005&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --><!-- ref --><p><font face="verdana" size="2">6. Allen PW, Enzinger FM. Hemangioma of skeletal muscle. Cancer. 1972; 29: 22</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=000061&pid=S1646-2122201400010001700006&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --><!-- ref --><p><font face="verdana" size="2">7. Enzinger FM, Sharon WW. Soft tissue tumors. St. Louis: Mosby; 1983.    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=000062&pid=S1646-2122201400010001700007&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --> </font></p>    <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>    <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">André Ramos    <br>Praceta José Gonçalves Jerónimo Aiveca, nº1, 3º Esq    <br>7800-850 Beja    <br>Portugal    ]]></body>
<body><![CDATA[<br><a href="mailto:a.ramos.leal@gmail.com">a.ramos.leal@gmail.com</a>    <br></font></p>    <p>&nbsp;</p>    <p><font face="verdana" size="2"><b>Data de Submissão: </b> 2013-08-26</font></p>    <p><font face="verdana" size="2"><b>Data de Revisão: </b> 2013-11-26</font></p>    <p><font face="verdana" size="2"><b>Data de Aceitação: </b> 2013-11-26</font></p>     ]]></body><back>
<ref-list>
<ref id="B1">
<label>1</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Picci]]></surname>
<given-names><![CDATA[P]]></given-names>
</name>
<name>
<surname><![CDATA[Sudanese]]></surname>
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<name>
<surname><![CDATA[Greggi]]></surname>
<given-names><![CDATA[T]]></given-names>
</name>
</person-group>
<article-title xml:lang="en"><![CDATA[Intramuscular Hemangioma in infancy: Diagnostic and Therapeutic Considerations]]></article-title>
<source><![CDATA[Journal of Pediatric Orthopaedics]]></source>
<year>1989</year>
<volume>9</volume>
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</person-group>
<article-title xml:lang="en"><![CDATA[Equinus deformity due to haemangioma of calf muscle]]></article-title>
<source><![CDATA[J Bone Joint Surg (Br)]]></source>
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<surname><![CDATA[Skinner]]></surname>
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<article-title xml:lang="en"><![CDATA[Latent Onset Unilateral Toe-Walking Secondary to Hemangioma of the Gastrocnemius]]></article-title>
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<surname><![CDATA[Strouse]]></surname>
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<name>
<surname><![CDATA[Hernandez]]></surname>
<given-names><![CDATA[RJ]]></given-names>
</name>
</person-group>
<article-title xml:lang="en"><![CDATA[MR imaging differentiation of soft-tissue hemangiomas from malignant soft-tissues masses]]></article-title>
<source><![CDATA[AJR]]></source>
<year>2000</year>
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<name>
<surname><![CDATA[Soo]]></surname>
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</name>
<name>
<surname><![CDATA[Chia]]></surname>
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</name>
</person-group>
<article-title xml:lang="en"><![CDATA[Surgical Outcome in Patients Treated for Hemangioma During Infancy, Childhood, and Adolescence]]></article-title>
<source><![CDATA[Journal of Pediatric Orthopaedics]]></source>
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<page-range>22</page-range></nlm-citation>
</ref>
<ref id="B7">
<label>7</label><nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Enzinger]]></surname>
<given-names><![CDATA[FM]]></given-names>
</name>
<name>
<surname><![CDATA[Sharon]]></surname>
<given-names><![CDATA[WW]]></given-names>
</name>
</person-group>
<source><![CDATA[Soft tissue tumors]]></source>
<year>1983</year>
<publisher-loc><![CDATA[St. Louis ]]></publisher-loc>
<publisher-name><![CDATA[Mosby]]></publisher-name>
</nlm-citation>
</ref>
</ref-list>
</back>
</article>
