<?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>0034-7507</journal-id>
<journal-title><![CDATA[Revista Cubana de Estomatología]]></journal-title>
<abbrev-journal-title><![CDATA[Rev Cubana Estomatol]]></abbrev-journal-title>
<issn>0034-7507</issn>
<publisher>
<publisher-name><![CDATA[Editorial Ciencias Médicas]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0034-75072018000300005</article-id>
<title-group>
<article-title xml:lang="pt"><![CDATA[O câncer de cabeça e pescoço no Brasil]]></article-title>
<article-title xml:lang="es"><![CDATA[El câncer de cabeza y cuello en Brasil]]></article-title>
<article-title xml:lang="en"><![CDATA[Head and neck cancer in Brazil]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Guedes Alcoforado de Carvalho]]></surname>
<given-names><![CDATA[Laís]]></given-names>
</name>
<xref ref-type="aff" rid="A1"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Pires Leite Santiago]]></surname>
<given-names><![CDATA[Carmellyo]]></given-names>
</name>
<xref ref-type="aff" rid="A1"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Macedo de Andrade]]></surname>
<given-names><![CDATA[Ana Cláudia]]></given-names>
</name>
<xref ref-type="aff" rid="A1"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Gondim Valença]]></surname>
<given-names><![CDATA[Ana Maria]]></given-names>
</name>
<xref ref-type="aff" rid="A1"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Lima Arrais Ribeiro]]></surname>
<given-names><![CDATA[Isabella]]></given-names>
</name>
<xref ref-type="aff" rid="A1"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Dias de Castro]]></surname>
<given-names><![CDATA[Ricardo]]></given-names>
</name>
<xref ref-type="aff" rid="A1"/>
</contrib>
</contrib-group>
<aff id="AA1">
<institution><![CDATA[,Universidade Federal da Paraíba  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Brasil</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>09</month>
<year>2018</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>09</month>
<year>2018</year>
</pub-date>
<volume>55</volume>
<numero>3</numero>
<fpage>1</fpage>
<lpage>13</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_arttext&amp;pid=S0034-75072018000300005&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_abstract&amp;pid=S0034-75072018000300005&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_pdf&amp;pid=S0034-75072018000300005&amp;lng=en&amp;nrm=iso"></self-uri><kwd-group>
<kwd lng="pt"><![CDATA[epidemiologia]]></kwd>
<kwd lng="pt"><![CDATA[neoplasias de cabeça e pescoço]]></kwd>
<kwd lng="pt"><![CDATA[base de dados]]></kwd>
<kwd lng="es"><![CDATA[epidemiología]]></kwd>
<kwd lng="es"><![CDATA[neoplasias de cabeza y cuello]]></kwd>
<kwd lng="es"><![CDATA[base de datos]]></kwd>
<kwd lng="en"><![CDATA[epidemiology]]></kwd>
<kwd lng="en"><![CDATA[head and neck neoplasms]]></kwd>
<kwd lng="en"><![CDATA[database]]></kwd>
</kwd-group>
</article-meta>
</front><body><![CDATA[ <p align="right"> <font face="Verdana, Arial, Helvetica, sans-serif" size="2"><b>ART&#205;CULO    ORIGINAL</b></font></p>     <p>&nbsp;</p>     <p> <font face="Verdana, Arial, Helvetica, sans-serif" size="2"><b><font size="4">O    c&#226;ncer de cabe&#231;a e pesco&#231;o no Brasil </font></b> </font></p>     <p>&nbsp; </p>     <p> <font face="Verdana, Arial, Helvetica, sans-serif" size="2"><b><font size="3">El    c&#226;ncer de cabeza y cuello en Brasil </font></b> </font></p>     <p>&nbsp; </p>     <p> <font face="Verdana, Arial, Helvetica, sans-serif" size="2"><b><font size="3">Head    and neck cancer in Brazil </font></b> </font></p>     <p>&nbsp;</p>     <p>&nbsp; </p>     <p> <font face="Verdana, Arial, Helvetica, sans-serif" size="2"><b>La&#237;s Guedes    Alcoforado de Carvalho</b><b>,</b> <b> Carmellyo Pires Leite Santiago</b><b>,</b>    <b> Ana Cl&#225;udia Macedo de Andrade</b><b>, </b> <b>Ana Maria Gondim Valen&#231;a</b><b>,    </b> <b>Isabella Lima Arrais Ribeiro</b><b>, </b> <b>Ricardo Dias de Castro</b>    </font></p>     ]]></body>
<body><![CDATA[<p><font face="Verdana, Arial, Helvetica, sans-serif" size="2"> Universidade Federal    da Para&#237;ba-UFPB. Brasil. </font></p>     <p>&nbsp;</p>     <p>&nbsp;</p> <hr>     <p><font face="Verdana, Arial, Helvetica, sans-serif" size="2"><b>RESUMO</b> </font></p>     <p> <font face="Verdana, Arial, Helvetica, sans-serif" size="2"><b>Introdu&#231;&#227;o:</b>    o c&#226;ncer de cabe&#231;a e pesco&#231;o apresenta alta incid&#234;ncia no    Brasil, e requer um estudo constante de sua distribui&#231;&#227;o, o que motiva    a estud&#225;-lo detalhadamente, buscando entender de que forma esse c&#226;ncer    se comporta na popula&#231;&#227;o, avaliando sua distribui&#231;&#227;o temporal    no Brasil, al&#233;m dos seus principais agravos. </font>    <br>   <font face="Verdana, Arial, Helvetica, sans-serif" size="2"><b>Objetivo:</b>    identificar as localiza&#231;&#245;es anat&#244;micas e classifica&#231;&#245;es    histol&#243;gicas dos c&#226;nceres em cabe&#231;a e pesco&#231;o, registrados    no Brasil, entre os anos de 2000 e 2014. <b>    <br>   M&#233;todos: </b>trata-se de estudo seccional, com abordagem indutiva, t&#233;cnica    de documenta&#231;&#227;o indireta e procedimento estat&#237;stico descritivo,    a partir da an&#225;lise de 220.391 dados secund&#225;rios dos Registros Hospitalares    de C&#226;ncer, dispon&#237;veis pelo Instituto Nacional de C&#226;ncer. As    vari&#225;veis de interesse foram: a localiza&#231;&#227;o do tumor prim&#225;rio    e tipo histol&#243;gico. A escolha pela localiza&#231;&#227;o do local do tumor    prim&#225;rio foi feita de acordo com a Classifica&#231;&#227;o Internacional    das Doen&#231;as. </font>    <br>   <font face="Verdana, Arial, Helvetica, sans-serif" size="2"><b>Resultados:</b>    os locais de maior acometimento do c&#226;ncer em cabe&#231;a e pesco&#231;o    foram: pele da face (44,2 %); cavidade oral (16,7 %); gl&#226;ndula tireoide    (8,9 %); laringe (8,8 %); enc&#233;falo (5,4 %) e linfonodos localizados na    regi&#227;o de cabe&#231;a e pesco&#231;o (3,8 %). Os tipos histol&#243;gicos    mais prevalentes foram: carcinoma de c&#233;lulas escamosas (38,0 %); carcinoma    basocelular (27,0 %); carcinoma papilar (3,70 %); carcinoma basocelular nodular    (2,50 %) e tumor epitelial maligno (2,50 %). </font>    <br>   <font face="Verdana, Arial, Helvetica, sans-serif" size="2"><b>Conclus&#227;o:</b>    ocarcinoma de c&#233;lulas escamosas foi o tipo histol&#243;gico mais prevalente    de c&#226;ncer em cabe&#231;a e pesco&#231;o entre os anos de 2000 e 2014, no    Brasil, sendo o s&#237;tio de maior acometimento a pele da face. </font></p>     <p> <font face="Verdana, Arial, Helvetica, sans-serif" size="2"><b>Palavras-chave:</b>    epidemiologia; neoplasias de cabe&#231;a e pesco&#231;o; base de dados.</font></p> <hr>     ]]></body>
<body><![CDATA[<p><font face="Verdana, Arial, Helvetica, sans-serif" size="2"><b>RESUMEN</b>    </font></p>     <p> <font face="Verdana, Arial, Helvetica, sans-serif" size="2"><b>Introducci&#243;n:</b>    el c&#225;ncer de cabeza y cuello presenta alta incidencia en Brasil, y requiere    un estudio constante de su distribuci&#243;n, lo que motiva a estudiarlo detalladamente,    buscando entender de qu&#233; forma ese c&#225;ncer se presenta en la poblaci&#243;n,    y evaluando su distribuci&#243;n temporal en Brasil , adem&#225;s de sus principales    problemas. </font>    <br>   <font face="Verdana, Arial, Helvetica, sans-serif" size="2"><b>Objetivo:</b>    identificar las localizaciones anat&#243;micas y clasificaciones histol&#243;gicas    de los c&#225;nceres en cabeza y cuello, registrados en Brasil, entre los a&#241;os    2000 y 2014. <b>    <br>   M&#233;todos:</b> se trata de estudio seccional, con abordaje inductivo, t&#233;cnica    de documentaci&#243;n indirecta y procedimiento estad&#237;stico descriptivo,    a partir del an&#225;lisis de 220 391 datos secundarios de los Registros Hospitalarios    de C&#225;ncer disponibles por el Instituto Nacional del C&#225;ncer. Las variables    de inter&#233;s fueron: la localizaci&#243;n del tumor primario y tipo histol&#243;gico.    La elecci&#243;n por la localizaci&#243;n del lugar del tumor primario se realiz&#243;    de acuerdo con la Clasificaci&#243;n Internacional de las Enfermedades. </font>    <br>   <font face="Verdana, Arial, Helvetica, sans-serif" size="2"><b>Resultados:</b>    los lugares de mayor afectaci&#243;n del c&#225;ncer en cabeza y cuello fueron:    piel de la cara (44,2 %); la cavidad bucal (16,7 %); gl&#225;ndula tiroidea    (8,9 %); laringe (8,8 %); enc&#233;falo (5,4 %) y ganglios linf&#225;ticos localizados    en la regi&#243;n de cabeza y cuello (3,8 %). Los tipos histol&#243;gicos m&#225;s    prevalentes fueron: carcinoma de c&#233;lulas escamosas (38,0 %); carcinoma    basocelular (27,0 %); carcinoma papilar (3,70 %); carcinoma basocelular nodular    (2,50 %) y tumor epitelial maligno (2,50 %). </font>    <br>   <font face="Verdana, Arial, Helvetica, sans-serif" size="2"><b>Conclusion</b><b>es</b><b>:</b>    el carcinoma de c&#233;lulas escamosas fue el tipo histol&#243;gico m&#225;s    prevalente de c&#225;ncer en cabeza y cuello entre los a&#241;os 2000 y 2014,    en Brasil, siendo el sitio de mayor afecci&#243;n la piel de la cara. </font></p>     <p> <font face="Verdana, Arial, Helvetica, sans-serif" size="2"><b>Palabras clave:</b>    epidemiolog&#237;a; neoplasias de cabeza y cuello; base de datos.</font></p> <hr>     <p><font face="Verdana, Arial, Helvetica, sans-serif" size="2"><b>ABSTRACT</b>    </font></p>     <p> <font face="Verdana, Arial, Helvetica, sans-serif" size="2"><b>Introduction:</b>    due to its high incidence in Brazil, head and neck cancer requires permanent    study of its distribution, which has motivated the conduct of detailed analyses    aimed at understanding the way it manifests in the population, its temporal    distribution in the country and the main problems it poses. </font>    <br>   <font face="Verdana, Arial, Helvetica, sans-serif" size="2"><b>Objective:</b>    identify the anatomical locations and histological classifications of head and    neck cancers registered in Brazil between the years 2000 and 2014. </font>    ]]></body>
<body><![CDATA[<br>   <font face="Verdana, Arial, Helvetica, sans-serif" size="2"><b>Methods:</b>    an inductive cross-sectional study was conducted with an indirect documentation    technique and descriptive statistical processing. The study was based on the    analysis of 220 391 secondary data from Cancer Hospital Registries available    from the National Cancer Institute. The variables of interest were location    of the primary tumor and histological type. Sorting by primary tumor location    followed the International Classification of Diseases. </font>    <br>   <font face="Verdana, Arial, Helvetica, sans-serif" size="2"><b>Results:</b>    the sites most commonly affected by head and neck cancer were facial skin (44.2    %), oral cavity (16.7 %), thyroid gland (8.9 %), larynx (8.8 %), brain (5.4    %) and lymph nodes located in the head and neck region (3.8 %). The most common    histological types were squamous-cell carcinoma (38.0 %), basal-cell carcinoma    (27.0 %), papillary carcinoma (3.70 %), nodular basal-cell carcinoma (2.50 %)    and malignant epithelial tumor (2.50 %). </font>    <br>   <font face="Verdana, Arial, Helvetica, sans-serif" size="2"><b>Conclusions:</b>    squamous-cell carcinoma was the most prevalent histological type of head and    neck cancer between the years 2000 and 2014 in Brazil, facial skin being the    most commonly affected site. </font></p>     <p> <font face="Verdana, Arial, Helvetica, sans-serif" size="2"><b>Keywords:</b>    epidemiology; head and neck neoplasms; database.</font></p> <hr>     <p>&nbsp;</p>     <p>&nbsp; </p>     <p> <font face="Verdana, Arial, Helvetica, sans-serif" size="2"><b><font size="3">INTRODU&#199;&#195;O</font></b>    </font></p>     <p><font face="Verdana, Arial, Helvetica, sans-serif" size="2"> O c&#226;ncer    de cabe&#231;a e pesco&#231;o (CCP) compreende um grupo heterog&#234;neo de    neoplasias que acometem vias a&#233;reas respirat&#243;rias superiores, laringe,    cavidade oral, pele e linfonodos da regi&#227;o do pesco&#231;o e face, ossos    do complexo cr&#226;nio-facial, seios paranasais e c&#233;rebro, representa    o s&#233;timo tipo de c&#226;ncer mais comum em todo o mundo.<sup>1</sup> De    acordo com o Instituto Nacional do C&#226;ncer (INCA) os s&#237;tios de maior    acometimento do CCP s&#227;o cavidade oral, laringe e gl&#226;ndula tireoide.<sup>2</sup>    </font></p>     <p><font face="Verdana, Arial, Helvetica, sans-serif" size="2"> Os principais    fatores associados ao CCP s&#227;o o consumo de tabaco e de bebidas alco&#243;licas,    havendo efeito sin&#233;rgico pelo consumo frequente de ambos os produtos. Fatores    socioecon&#244;micos, como renda, n&#237;vel de escolaridade e taxa de mortalidade,    s&#227;o apresentados como fatores relacionados ao CCP.<sup>3 </sup>O tipo histol&#243;gico    carcinoma de c&#233;lulas escamosas (CCE) &#233; o mais observado nesse tipo    de c&#226;nce.<sup>4-6</sup> Apesar dos recentes avan&#231;os no tratamento,    o &#237;ndice de sobreviv&#234;ncia dos pacientes acometidos por este tipo de    c&#226;ncer tem permanecido em torno de 40 % e a taxa de mortalidade apresenta-se    elevada, devido principalmente &#224;s recidivas e met&#225;stases ap&#243;s    o tratamento.<sup>7</sup> </font></p>     <p><font face="Verdana, Arial, Helvetica, sans-serif" size="2"> O integrador RHC    (Registro Hospitalar de C&#226;ncer) possui aproximadamente 25 s&#237;tios de    informa&#231;&#245;es que contemplam aproximadamente 260 Unidades Hospitalares    em todo o Brasil, estando dispon&#237;vel para consulta p&#250;blica no site    do INCA.<sup>2</sup> </font></p>     ]]></body>
<body><![CDATA[<p><font face="Verdana, Arial, Helvetica, sans-serif" size="2"> O objetivo deste    estudo foi identificar as localiza&#231;&#245;es e tipos histol&#243;gicos dos    c&#226;nceres localizados em cabe&#231;a e pesco&#231;o, associando cada localiza&#231;&#227;o    anat&#244;mica com o tipo histol&#243;gico, para o per&#237;odo compreendido    entre os anos de 2000 e 2014, no Brasil. </font></p>     <p>&nbsp; </p>     <p> <font face="Verdana, Arial, Helvetica, sans-serif" size="2"><b><font size="3">M&#201;TODOS</font></b>    </font></p>     <p><font face="Verdana, Arial, Helvetica, sans-serif" size="2"> Trata-se de estudo    seccional, com abordagem indutiva, t&#233;cnica de documenta&#231;&#227;o indireta    e procedimento estat&#237;stico descritivo, a partir das an&#225;lises dos Registros    Hospitalares de C&#226;ncer (RHC's), mediante o integrador RHC do INCA (<a href="https://irhc.inca.gov.br/RHCNet/visualizaTabNetExterno.action" target="_blank">https://irhc.inca.gov.br/RHCNet/visualizaTabNetExterno.action</a>),    a partir dos Registros de C&#226;ncer para o per&#237;odo compreendido de 2000    a 2014, distribu&#237;dos entre as 27 unidades federativas do Brasil. </font></p>     <p><font face="Verdana, Arial, Helvetica, sans-serif" size="2"> O universo foi    composto por todos os casos de c&#226;ncer que estavam contidos nos RHC'S do    Brasil, de 2000 a 2014. A amostra foi obtida por senso, a partir dos dados totais    diagnosticados em cabe&#231;a e pesco&#231;o. Foi composta pelos dados completos    referentes &#224; informa&#231;&#227;o de interesse, resultando num n= 220 390.    As vari&#225;veis de interesse foram: a localiza&#231;&#227;o anat&#244;mica    do tumor prim&#225;rio e o tipo histol&#243;gico do tumor. </font></p>     <p><font face="Verdana, Arial, Helvetica, sans-serif" size="2"> Com rela&#231;&#227;o    aos aspectos &#233;ticos n&#227;o foi necess&#225;rio &#224; solicita&#231;&#227;o    ao Comit&#234; de &#201;tica, por se tratar de um estudo com dados secund&#225;rios,    obtidos em um Sistema de Informa&#231;&#227;o, dispon&#237;vel para livre acesso.    </font></p>     <p><font face="Verdana, Arial, Helvetica, sans-serif" size="2"> Os c&#243;digos    selecionados para o diagn&#243;stico prim&#225;rio do c&#226;ncer localizados    em cabe&#231;a e pesco&#231;o foram obtidos a partir da Classifica&#231;&#227;o    Internacional das Doen&#231;as (CID 10-2011),<sup>8</sup> representados na <a href="#TAB1_05">tabela    1</a>.</font></p>     <p align="center"><a name="TAB1_05"></a><img src="/img/revistas/est/v55n3/t0105_1703.gif" width="426" height="832"></p>     <p><font face="Verdana, Arial, Helvetica, sans-serif" size="2">     <br>   Os dados foram tabulados em uma plataforma do Microsoft Excel e analisados descritivamente    no software IBM SPSS (20.0). </font></p>     ]]></body>
<body><![CDATA[<p>&nbsp; </p>     <p><font face="Verdana, Arial, Helvetica, sans-serif" size="2"><b><font size="3">RESULTADOS</font></b>    </font></p>     <p><font face="Verdana, Arial, Helvetica, sans-serif" size="2"> Para o per&#237;odo    estudado, ao longo dos 15 anos avaliados, o n&#250;mero total de diferentes    localiza&#231;&#245;es anat&#244;micas para o c&#226;ncer localizado em cabe&#231;a    e pesco&#231;o foi representado por 19 s&#237;tios de acometimento. As preval&#234;ncias,    de acordo com a localiza&#231;&#227;o, est&#227;o dispostas na <a href="#tab2_05">tabela    2</a>. </font></p>     <p><font face="Verdana, Arial, Helvetica, sans-serif" size="2"> Foram encontrados    ao todo 33 tipos histol&#243;gicos diferentes. A distribui&#231;&#227;o completa    de todos os tipos histol&#243;gicos e seu valor percentual est&#227;o dispostos    na <a href="#tab3_05">tabela 3</a>.</font></p>     <p align="center"><a name="tab2_05"></a><img src="/img/revistas/est/v55n3/t0205_1703.gif" width="453" height="580"></p>     <p align="center">    <br>   <a name="tab3_05"></a><img src="/img/revistas/est/v55n3/t0305_1703.gif" width="530" height="812"></p>     <p><font face="Verdana, Arial, Helvetica, sans-serif" size="2">     <br>   Os tipos histol&#243;gicos foram associados ao local anat&#244;mico do tumor    prim&#225;rio em cabe&#231;a e pesco&#231;o e a descri&#231;&#227;o dessas associa&#231;&#245;es    e suas preval&#234;ncias para o per&#237;odo estudado est&#227;o descritas abaixo.    </font></p>     <p><font face="Verdana, Arial, Helvetica, sans-serif" size="2">     ]]></body>
<body><![CDATA[<br>   TIPO HISTOL&#211;GICO X LOCAL DO TUMOR PRIM&#193;RIO </font></p>     <p> <font face="Verdana, Arial, Helvetica, sans-serif" size="2"><i>Regi&#227;o    da pele da face</i><i>:</i> Os tipos histol&#243;gicos localizados na regi&#227;o    da pele da face de maior acometimento foram: o carcinoma basocelular: (n= 59    514; 61,2 %); o carcinoma de c&#233;lulas escamosas (n= 20 627; 21,2 %) e o    carcinoma basocelular nodular (n= 5 488; 5,6 %). </font></p>     <p> <font face="Verdana, Arial, Helvetica, sans-serif" size="2"><i>Cavidade oral</i><i>:</i>    Os tipos histol&#243;gicos de maior ocorr&#234;ncia na cavidade oral foram:    o carcinoma de c&#233;lulas escamosas (n= 29 549; 80,2 %); o tumor epitelial    maligno (n= 1 790; 4,9 %) e o carcinoma escamoso ceratinizado (n= 321; 0,9 %).    </font></p>     <p> <font face="Verdana, Arial, Helvetica, sans-serif" size="2"><i>Tire&#243;ide</i><i>:</i>    Para a tire&#243;ide, os principais tipos histol&#243;gicos identificados foram:    o carcinoma papilar (n= 7 927; 40,6 %); o adenocarcinoma papilar (n=4 792; 24,5    %) e o carcinoma papilar, variante folicular (n= 2 036; 10,4 %). </font></p>     <p> <font face="Verdana, Arial, Helvetica, sans-serif" size="2"><i>Laringe</i><i>:</i>    Para as neoplasias localizadas na laringe, verificou-se que os tipos histol&#243;gicos    com maior representatividade foram: o carcinoma de c&#233;lulas escamosas (n=    17 104; 88,2 %); o carcinoma - tumor epitelial maligno (n= 836; 4,3 %) e o carcinoma    de c&#233;lulas escamosas <i>in situ </i>(n= 270; 1,4 %). </font></p>     <p> <font face="Verdana, Arial, Helvetica, sans-serif" size="2"><i>Enc&#233;falo</i><i>:</i>    Para os tumores localizados no enc&#233;falo, os tipos histol&#243;gicos com    maior ocorr&#234;ncia foram: o glioblastoma (n= 4 242; 35,8 %); o astrocitoma    (n= 1 330 (11,2 %) e o meduloblastoma (n= 769; 6,5 %). </font></p>     <p><font face="Verdana, Arial, Helvetica, sans-serif" size="2">     <br>   LINFONODOS NA REGI&#195;O DE CABE&#199;A E PESCO&#199;O </font></p>     <p><font face="Verdana, Arial, Helvetica, sans-serif" size="2"> As neoplasias    que acometeram os linfonodos localizados na regi&#227;o de cabe&#231;a e pesco&#231;o    apresentaram os principais tipos histol&#243;gicos: linfoma de Hodgkin, esclerose    nodular (n= 1 292; 15,6 %); linfoma maligno de c&#233;lulas grandes b difuso    (n= 1 275; 15,4 %); linfoma maligno n&#227;o-Hodgkin (n= 1 204; 14,5 %); e linfoma    de Hodgkin (n= 963; 11,6 %). </font></p>     <p> <font face="Verdana, Arial, Helvetica, sans-serif" size="2"><i>Orofaringe</i><i>:</i>    Para a orofaringe, os tipos histol&#243;gicos mais observados foram: carcinoma    de c&#233;lulas escamosas (n= 6 386; 87,5 %); carcinoma (n= 374; 5,1 %) e carcinoma    de c&#233;lulas escamosas ceratinizado (n= 71; 1,0 %). </font></p>     ]]></body>
<body><![CDATA[<p> <font face="Verdana, Arial, Helvetica, sans-serif" size="2"><i>Hipofaringe</i><i>:</i>    A hipofaringe foi, ao longo dos 15 anos avaliados, acometida principalmente    pelos seguintes tipos histol&#243;gicos: carcinoma de c&#233;lulas escamosas    (n= 3 749; 87,1 %); carcinoma-tumor epitelial maligno (n= 240; 5,%) e carcinoma    indiferenciado (n= 54; 1,3 %). </font></p>     <p> <font face="Verdana, Arial, Helvetica, sans-serif" size="2"><i>L&#225;bio</i><i>:</i>    Os tipos histol&#243;gicos de maior ocorr&#234;ncia no l&#225;bio foram: carcinoma    de c&#233;lulas escamosas (n= 3156; 90,5 %); carcinoma-tumor epitelial maligno    (n= 110; 3,2 %) e carcinoma de c&#233;lulas escamosas ceratinizado (n= 37; 1,1%).    </font></p>     <p> <font face="Verdana, Arial, Helvetica, sans-serif" size="2"><i>Nasofaringe</i><i>:</i>    A nasofaringe apresentou como principais tipos histol&#243;gicos o carcinoma    de c&#233;lulas escamosas (n= 1 159; 38,3 %); o carcinoma indiferenciado (n=    466; 15,4 %) e o carcinoma - tumor epitelial maligno (n= 544; 15,0 %). </font></p>     <p> <font face="Verdana, Arial, Helvetica, sans-serif" size="2"><i>Seio piriforme</i><i>:</i>    As neoplasias que mais acometeram o seio piriforme foram, principalmente, dos    seguintes tipos histol&#243;gicos: carcinoma de c&#233;lulas escamosas (n= 2    117; 89,7 %); carcinoma - tumor epitelial maligno (n= 108; 4,6 %) e o carcinoma    de c&#233;lulas escamosas ceratinizado (n= 21; 0,9 %). </font></p>     <p>&nbsp; </p>     <p> <font face="Verdana, Arial, Helvetica, sans-serif" size="2"><b><font size="3">DISCUSS&#195;O</font></b>    </font></p>     <p><font face="Verdana, Arial, Helvetica, sans-serif" size="2"> O presente estudo    tra&#231;ou o perfil de pacientes pedi&#225;tricos com c&#226;ncer, em um per&#237;odo    de 15 anos, no Brasil, a partir do maior Registro Hospitalar de C&#226;ncer    do pa&#237;s, a fim de proporcionar um maior conhecimento sobre esses pacientes    e fornecer subs&#237;dios para a elabora&#231;&#227;o de pol&#237;ticas de sa&#250;de.    Enfatiza-se que este &#233; o primeiro estudo onde todas as localiza&#231;&#245;es    est&#227;o presentes em um &#250;nico trabalho, permitindo uma vis&#227;o ampliada    de como o c&#226;ncer em cabe&#231;a e pesco&#231;o &#233; observado, de acordo    com os tipos histol&#243;gicos. </font></p>     <p><font face="Verdana, Arial, Helvetica, sans-serif" size="2"> O CCP possui altas    taxas de incid&#234;ncia e preval&#234;ncia em todo o mundo. Os dados utilizados    neste estudo permitem estimar a magnitude do CCP no Brasil, facilitando o seu    entendimento e como se apresenta na popula&#231;&#227;o. </font></p>     <p><font face="Verdana, Arial, Helvetica, sans-serif" size="2"> As tr&#234;s localiza&#231;&#245;es    anat&#244;micas mais prevalentes para o CCP, foram, respectivamente, a pele    da face, a cavidade oral e a gl&#226;ndula tireoide. A localiza&#231;&#227;o    preferencial dos tumores pode apresentar uma varia&#231;&#227;o a depender do    pa&#237;s. Um estudo epidemiol&#243;gico sobre o c&#226;ncer realizado em n&#237;vel    mundial mostrou que as localiza&#231;&#245;es mais prevalentes do CCP s&#227;o:    cavidade oral, orofaringe e nasofaringe.<sup>9</sup> A exposi&#231;&#227;o solar    excessiva, sem prote&#231;&#227;o e ao longo dos anos, &#233; o principal fator    etiol&#243;gico do c&#226;ncer de pele. Sendo o Brasil um pa&#237;s de clima    tropical, com grande parte da popula&#231;&#227;o trabalhando ativamente ao    Sol e sem prote&#231;&#227;o solar adequada, sup&#245;e-se que esse seja um    fator que predisp&#245;e a um elevado &#237;ndice de neoplasias de pele. O RHC    apresenta como uma das vari&#225;veis a profiss&#227;o dos indiv&#237;duos,    que poderia ser um crit&#233;rio avaliado nesta pesquisa, por&#233;m n&#227;o    p&#244;de ser avaliada por apresentar a maioria das informa&#231;&#245;es sem    resposta, no entanto poderia trazer informa&#231;&#245;es importantes. Enfatiza-se,    dessa forma, a necessidade em realizar o preenchimento adequado de Sistemas    de Informa&#231;&#245;es, pois possuem dados importantes para a realiza&#231;&#227;o    de pesquisas, permitindo auxiliar no conhecimento sobre a preven&#231;&#227;o    e os principais agravos &#224; sa&#250;de. </font></p>     <p><font face="Verdana, Arial, Helvetica, sans-serif" size="2"> Diferentemente    de outros pa&#237;ses, que possuem maiores condi&#231;&#245;es socioecon&#244;micas    e exposi&#231;&#227;o solar amena, o c&#226;ncer de pele n&#227;o est&#225;    entre o mais prevalente.<sup>9,10</sup> Isso mostra que essa preval&#234;ncia    pode ser diminu&#237;da desde que haja investimento em preven&#231;&#227;o,    promo&#231;&#227;o &#224; sa&#250;de e maior dissemina&#231;&#227;o de informa&#231;&#227;o    acerca da import&#226;ncia sobre a prote&#231;&#227;o da pele durante toda a    vida, n&#227;o apenas quando h&#225; a instala&#231;&#227;o da doen&#231;a.    </font></p>     ]]></body>
<body><![CDATA[<p><font face="Verdana, Arial, Helvetica, sans-serif" size="2"> Percebe-se diferen&#231;a    estat&#237;stica significante entre tipo histol&#243;gico do c&#226;ncer localizado    na regi&#227;o da face no Brasil em rela&#231;&#227;o a pa&#237;ses n&#243;rdicos.    No presente estudo observa-se que embora o tipo histol&#243;gico para o CCP    mais prevalente seja o CCE, em outros pa&#237;ses o mesmo apresenta uma preval&#234;ncia    superior, ultrapassando 85 %.<sup>11</sup> Essa diferen&#231;a &#233; explicada    analisando o CCP no Brasil por 15 anos, onde a sua localiza&#231;&#227;o mais    prevalente &#233; a pele da face, representada por quase metade dos casos de    c&#226;ncer. A an&#225;lise dos resultados permite afirmar que o maior s&#237;tio    de acometimento (pele) possui outro padr&#227;o histol&#243;gico (Carcinoma    de C&#233;lulas Basais), enquanto que a maior parte dos outros s&#237;tios s&#227;o    acometidos pelo CCE. Sendo assim, explica-se o prov&#225;vel motivo da not&#225;vel    discord&#226;ncia na preval&#234;ncia do CCE no Brasil em rela&#231;&#227;o    a estudos realizados em outros pa&#237;ses.<sup>9,11,12</sup> </font></p>     <p><font face="Verdana, Arial, Helvetica, sans-serif" size="2"> O carcinoma de    c &#233;lulas basais (CCB) &#233; comumente presente na regi&#227;o da cabe&#231;a    e pesco&#231;o, devido principalmente a exposi&#231;&#227;o &#224; radia&#231;&#227;o    que essa regi&#227;o recebe.<sup>13</sup> Estudo realizado por <i>Muzic</i>    <i>et al.</i> (2017),<sup>6 </sup>mostrou que houve incid&#234;ncia maior dessa    patologia na regi&#227;o de cabe&#231;a e pesco&#231;o tanto para homens, quanto    para mulheres. Apesar de nossos achados n&#227;o terem sido mais frequentes    para essa varia&#231;&#227;o, pode-se observar que o CCB foi o segundo com maior    incid&#234;ncia no nosso trabalho. Ressalva-se, dessa forma, a import&#226;ncia    do tratamento adequado para este tipo histol&#243;gico. Geralmente o tratamento    cir&#250;rgico &#233; o mais indicado, apresentando a menor taxa de recidiva    da neoplasia.<sup>12,13</sup> </font></p>     <p><font face="Verdana, Arial, Helvetica, sans-serif" size="2"> De maneira geral,    o CCE localizado em cabe&#231;a e pesco&#231;o caracteriza-se por heterogeneidade    fenot&#237;pica, etiol&#243;gica, biol&#243;gica e cl&#237;nica. O tabagismo    est&#225; implicado com seu surgimento nos pa&#237;ses em desenvolvimento, e    o papel do Papilomav&#237;rus humano (HPV) est&#225; emergindo como fator importante    na ascens&#227;o de tumores orofar&#237;ngeos que afetam n&#227;o-fumantes em    pa&#237;ses desenvolvidos.<sup>14</sup> Informa&#231;&#245;es referentes &#224;    infec&#231;&#227;o pelo HPV n&#227;o est&#227;o presentes no RHC, sugere-se    que esta informa&#231;&#227;o seja implementada, tendo em vista que pesquisas    realizadas nos &#250;ltimos anos j&#225; comprovam sua rela&#231;&#227;o com    neoplasias, incluindo em regi&#245;es da cabe&#231;a e pesco&#231;o.<sup>10,15</sup>    </font></p>     <p><font face="Verdana, Arial, Helvetica, sans-serif" size="2"> O alto &#237;ndice    do c&#226;ncer de l&#225;bio e cavidade oral est&#225; implicado nos h&#225;bitos    prejudiciais que a maior parte da popula&#231;&#227;o mundial apresenta: tabagismo    e etilismo.<sup>9,15,16</sup> &#201; necess&#225;rio informar sempre aos pacientes    dos riscos adquiridos a partir de h&#225;bitos nocivos. </font></p>     <p><font face="Verdana, Arial, Helvetica, sans-serif" size="2"> O c&#226;ncer    oral foi o segundo s&#237;tio com o maior n&#250;mero de casos. Apresentaram    como tipo histol&#243;gico mais prevalente o CCE, representado por 90,53 %,    corroborando estudos desenvolvidos em outros pa&#237;ses,<sup>17-20</sup> como    tamb&#233;m no Brasil.<sup>16</sup> Esta maior frequ&#234;ncia deve-se ao fato    deste tipo ter origem no epit&#233;lio de revestimento. A Ag&#234;ncia Internacional    de Pesquisa do C&#226;ncer classificou o tabagismo como o principal agente cancer&#237;geno    para o c&#226;ncer oral, faringe e orofaringe.<sup>21</sup> Embora tenha sido    observado decl&#237;nio do consumo do tabaco em pa&#237;ses desenvolvidos, ele    tem aumentado em pa&#237;ses de baixa e m&#233;dia renda, onde o Brasil est&#225;    inserido.<sup>18</sup> Sendo assim, &#233; prov&#225;vel que a incid&#234;ncia    do c&#226;ncer oral possa aumentar nos anos seguintes, ratificando a import&#226;ncia    do combate desta morbidade. </font></p>     <p><font face="Verdana, Arial, Helvetica, sans-serif" size="2"> O c&#226;ncer    na tireoide (CT) foi a terceira regi&#227;o mais acometida, e como tipo histol&#243;gico    mais comum, observa-se o Carcinoma Papilar. O c&#226;ncer de tireoide apresenta    taxa de mortalidade crescente na popula&#231;&#227;o, principalmente em mulheres,    tendo como principais fatores de risco a idade, h&#225;bitos, obesidade, influ&#234;ncia    hormonal, exposi&#231;&#227;o &#224; radia&#231;&#227;o e hist&#243;rico familiar.<sup>4,22</sup>    Apresentando valor muito pr&#243;ximo ao CT, a laringe ocupa a quarta posi&#231;&#227;o.    O tipo histol&#243;gico mais comum encontrado foi o CCE. </font></p>     <p><font face="Verdana, Arial, Helvetica, sans-serif" size="2"> O enc&#233;falo    &#233; o quinto local mais acometido por neoplasias de cabe&#231;a e pesco&#231;o,    representado por 11 854 (5,4 %) casos. O tipo histol&#243;gico que obteve maior    preval&#234;ncia para essa localiza&#231;&#227;o foi o Gliobastoma, considerado    o tumor maligno mais agressivo que acomete o c&#233;rebro, principalmente de    adultos. Apresenta taxa de sobreviv&#234;ncia de 17 semanas (sem tratamento)    e 30 semanas (com tratamento). Histologicamente caracteriza-se por apresentar    regi&#245;es necr&#243;ticas, elevada vasculariza&#231;&#227;o e bastante invasivo,    o que dificulta o tratamento mesmo com a remo&#231;&#227;o cir&#250;rgica.<sup>23</sup>    </font></p>     <p><font face="Verdana, Arial, Helvetica, sans-serif" size="2"> Os linfomas s&#227;o    neoplasias que possuem origem nas principais c&#233;lulas do sistema imunol&#243;gico,    os linf&#243;citos B, T ou c&#233;lulas natural Killer. Os linfonodos localizados    na regi&#227;o da cabe&#231;a e pesco&#231;o representam 3,6 % das neoplasias    localizadas nessa regi&#227;o, o tipo histol&#243;gico mais prevalente &#233;    o linfoma de Hodgkin com esclerose nodular, seguido do linfoma de Hodgkin. Esse    resultado condiz com outros apresentados pela literatura.<sup>24,25</sup> </font></p>     <p><font face="Verdana, Arial, Helvetica, sans-serif" size="2"> O linfoma de Hodgkin    com esclerose nodular &#233; diferenciado dos demais por apresentar bandas fibrosas    que delimitam n&#243;dulos celulares, que cont&#233;m c&#233;lulas neopl&#225;sicas.    A classifica&#231;&#227;o de acordo com o tipo histol&#243;gico, apesar de promover    extensa heterogeneidade, permite formular tratamentos adequados, melhorando    assim o progn&#243;stico.<sup>24,26</sup> Dessa forma, o estudo cont&#237;nuo    e individualizado de cada patologia &#233; necess&#225;rio para obter diagn&#243;sticos    corretos e precoces, aumentando as chances de sobrevida dos pacientes acometidos    pelas neoplasias em quest&#227;o. </font></p>     <p><font face="Verdana, Arial, Helvetica, sans-serif" size="2"> Pesquisas que    envolvem sistemas de informa&#231;&#245;es apresentam limita&#231;&#245;es,    por se tratar de dados coletados secundariamente, podendo ocorrer inconsist&#234;ncias    ou falhas nos registros. Al&#233;m disso, a aus&#234;ncia de determinadas informa&#231;&#245;es    configuram-se como um grande desafio, uma vez que dados importantes que poderiam    predizer com maiores detalhes a ocorr&#234;ncia da doen&#231;a encontram-se    ausentes. Por outro lado, existe a possibilidade de recolher informa&#231;&#245;es    que se tornam objetos de estudo, permitindo a realiza&#231;&#227;o de pesquisas    com dados nacionais e tamb&#233;m internacionais. </font></p>     ]]></body>
<body><![CDATA[<p><font face="Verdana, Arial, Helvetica, sans-serif" size="2"> Conclui-se que    carcinoma de c&#233;lulas escamosas configurou-se como o tipo mais prevalente    entre os anos de 2000 a 2014, seguido do carcinoma basocelular e papilar. o    s&#237;tio de maior acometimento &#233; a pele, seguida de cavidade oral, tireoide,    laringe e enc&#233;falo. Os n&#250;meros podem ser diminu&#237;dos a partir    de investimento em a&#231;&#245;es de promo&#231;&#227;o e preven&#231;&#227;o    &#224; sa&#250;de, al&#233;m da dissemina&#231;&#227;o de informa&#231;&#227;o    acerca dos fatores etiol&#243;gicos. </font></p>     <p>&nbsp; </p>     <p><font face="Verdana, Arial, Helvetica, sans-serif" size="2"><b><font size="3">REFER&#202;NCIAS</font></b>    </font></p>     <!-- ref --><p><font face="Verdana, Arial, Helvetica, sans-serif" size="2"> 1. Ferlay J, Soerjomataram    I, Dikshit R, Eser S, Mathers C, Rebelo M, et al. Cancer incidence and mortality    worldwide: sources, methods and major patterns in GLOBOCAN 2012. International    Journal of Cancer. 2015;136(5):E359-E86.     </font></p>     <!-- ref --><p><font face="Verdana, Arial, Helvetica, sans-serif" size="2"> 2. INCA. Minist&eacute;rio    da Sa&uacute;de. Instituto Nacional de C&acirc;ncer Jos&eacute; Alencar Gomes    da Silva. 2015 [citado 15 Jul 2017]. Disponible en: <a href="https://www.inca.gov.br/sites/ufu.sti.inca.local/files//media/document//philips_-_5o_termo_aditivo_no_156-2015.pdf%20">https://www.inca.gov.br/sites/ufu.sti.inca.local/files//media/document//philips_-_5o_termo_aditivo_no_156-2015.pdf    </a>    <br>   </font></p>     <!-- ref --><p><font face="Verdana, Arial, Helvetica, sans-serif" size="2"> 3. Siakholak FR,    Ghoncheh M, Pakzad R, Gandomani HS, Ghorat F, Salehiniya H. Epidemiology, incidence    and mortality of oral cavity and lips cancer and their relationship with the    human development index in the world. Biomedical Research and Therapy. 2016;3(10):872-88.        </font></p>     <!-- ref --><p><font face="Verdana, Arial, Helvetica, sans-serif" size="2"> 4. dos Santos    LMS. Evolu&#231;&#227;o temporal da mortalidade por c&#226;ncer de tireoide    no Brasil no per&#237;odo de 2000 a 2012. Brazilian Journal of Clinical Analysis.    2016;48(2):133-7.     </font></p>     <p><font face="Verdana, Arial, Helvetica, sans-serif" size="2"> 5. Boing AF, Antunes    JLF. Condi&#231;&#245;es socioecon&#244;micas e c&#226;ncer de cabe&#231;a e    pesco&#231;o: uma revis&#227;o sistem&#225;tica de literatura. Ci&#234;ncia    &amp; Sa&#250;de Coletiva. 2011;16(2):615-22. </font></p>     <!-- ref --><p><font face="Verdana, Arial, Helvetica, sans-serif" size="2"> 6. Muzic JG, Schmitt    AR, Wright AC, Alniemi DT, Zubair AS, Lourido JMO, et al, editors. Incidence    and Trends of Basal Cell Carcinoma and Cutaneous Squamous Cell Carcinoma: A    Population-Based Study in Olmsted County, Minnesota, 2000 to 2010. Mayo Clinic    Proceedings; 2017:Elsevier.     </font></p>     <!-- ref --><p><font face="Verdana, Arial, Helvetica, sans-serif" size="2"> 7. Andrade JOM,    Santos CA de ST, Oliveira MC. Fatores associados ao c&#226;ncer de boca: um    estudo de caso-controle em uma popula&#231;&#227;o do Nordeste do Brasil. Revista    Brasileira de Epidemiologia. 2015;18(4):894-905.     </font></p>     <!-- ref --><p><font face="Verdana, Arial, Helvetica, sans-serif" size="2"> 8. Fritz A, Percy    C, Jack A, Shanmugaratnam K, Sobin LH, Parkin DM, et al. International classification    of diseases for oncology: Geneva: World Health Organization; 2000.     </font></p>     <!-- ref --><p><font face="Verdana, Arial, Helvetica, sans-serif" size="2"> 9. Shield KD,    Ferlay J, Jemal A, Sankaranarayanan R, Chaturvedi AK, Bray F, et al. The global    incidence of lip, oral cavity, and pharyngeal cancers by subsite in 2012. CA    Cancer J Clin. 2017 Jan;67(1):51-64.     . </font></p>     ]]></body>
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<body><![CDATA[<!-- ref --><p><font face="Verdana, Arial, Helvetica, sans-serif" size="2"> 25. Sethi T, Nguyen    V, Li S, Morgan D, Greer J, Reddy N. Differences in outcome of patients with    syncytial variant Hodgkin lymphoma compared with typical nodular sclerosis Hodgkin    lymphoma. Therapeutic Advances in Hematology. 2017;8(1):13-20.     </font></p>     <!-- ref --><p><font face="Verdana, Arial, Helvetica, sans-serif" size="2"> 26. Pracchia LF,    Buccheri V, de Menezes Y, Siqueira SA, Mori NS, Chamone DAF. Significado progn&#243;stico    dos graus histol&#243;gicos do linfoma de Hodgkin do tipo esclerose nodular.    J Bras Patol Med Lab. 2005;41(5):365-75.     </font></p>     <p>&nbsp;</p>     <p>&nbsp;</p>     <p><font face="Verdana, Arial, Helvetica, sans-serif" size="2">Recibido: 4 de    noviembre de 2017. </font>    <br>   <font face="Verdana, Arial, Helvetica, sans-serif" size="2">Aprobado: 22 de    abril de de 2018. </font></p>     <p>&nbsp; </p>     <p>&nbsp;</p>     ]]></body>
<body><![CDATA[<p><font face="Verdana, Arial, Helvetica, sans-serif" size="2"><i>La&#237;s Guedes    Alcoforado de Carvalho</i><i>. </i> Universidade Federal da Para&#237;ba. Campus    I, Jo&#227;o Pessoa - PB.     <br>   Correo electr&#243;nico: <a href="mailto:laisgac@gmail.com">laisgac@gmail.com</a>    </font></p>        ]]></body><back>
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