<?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>1981-8637</journal-id>
<journal-title><![CDATA[RGO.Revista Gaúcha de Odontologia (Online)]]></journal-title>
<abbrev-journal-title><![CDATA[RGO, Rev. gaúch. odontol. (Online)]]></abbrev-journal-title>
<issn>1981-8637</issn>
<publisher>
<publisher-name><![CDATA[Mundi Brasil Gráfica e Editora Ltda.]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1981-86372010000300012</article-id>
<title-group>
<article-title xml:lang="pt"><![CDATA[Perfil epidemiológico de casos incidentes de câncer de boca e faringe]]></article-title>
<article-title xml:lang="en"><![CDATA[Epidemiological profile of incident cases of oral and pharyngeal cancer]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Melo]]></surname>
<given-names><![CDATA[Letícia de Cássia]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Silva]]></surname>
<given-names><![CDATA[Marcelle Cristina da]]></given-names>
</name>
<xref ref-type="aff" rid="A02"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Bernardo]]></surname>
<given-names><![CDATA[Joyce Maria de Paula]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Marques]]></surname>
<given-names><![CDATA[Eduardo Bertarini]]></given-names>
</name>
<xref ref-type="aff" rid="A02"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Leite]]></surname>
<given-names><![CDATA[Isabel Cristina Gonçalves]]></given-names>
</name>
<xref ref-type="aff" rid="A02"/>
</contrib>
</contrib-group>
<aff id="A01">
<institution><![CDATA[,Universidade Federal de Juiz de Fora Faculdade de Odontologia ]]></institution>
<addr-line><![CDATA[Juiz de Fora MG]]></addr-line>
<country>Brasil</country>
</aff>
<aff id="A02">
<institution><![CDATA[,Universidade Federal de Juiz de Fora Faculdade de Medicina ]]></institution>
<addr-line><![CDATA[Juiz de Fora MG]]></addr-line>
<country>Brasil</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>09</month>
<year>2010</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>09</month>
<year>2010</year>
</pub-date>
<volume>58</volume>
<numero>3</numero>
<fpage>351</fpage>
<lpage>355</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://revodonto.bvsalud.org/scielo.php?script=sci_arttext&amp;pid=S1981-86372010000300012&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://revodonto.bvsalud.org/scielo.php?script=sci_abstract&amp;pid=S1981-86372010000300012&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://revodonto.bvsalud.org/scielo.php?script=sci_pdf&amp;pid=S1981-86372010000300012&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="pt"><p><![CDATA[OBJETIVO: Avaliar o perfil epidemiológico de uma coorte de pacientes diagnosticados com câncer de boca e faringe de um Centro de Alta Complexidade em Oncologia nível II do município de Juiz de Fora, Minas Gerais, entre janeiro 2005 e dezembro 2007. MÉTODOS: Estudo transversal, fundamentado na análise retrospectiva e descritiva de 101 prontuários médicos. RESULTADOS: Dos 101 pacientes, 84,2% eram homens com baixo nível de escolaridade, bem como trabalhadores braçais (35,8%) e 15,8%, mulheres, donas-de-casa (5,5%). A razão de sexo foi 5,3:1; idade média de 56,5 anos, sendo que 49,5% dos casos apresentavam ao diagnóstico, idade inferior à média do grupo. Com relação aos hábitos de risco, 67,1% eram tabagistas e o etilismo foi descrito em 49,3% dos prontuários, sendo que o relato de consumo diário, sob forma de bebidas destiladas (47,3%), foi feito por 60% dos casos. O sítio anatômico mais prevalente foi a língua (32%), orofaringe (18,5%), assoalho de boca (12,4%). No estadiamento ao diagnóstico verificou-se maior número de tumores T4 (39,4%), N2 (38,3%), M0 (91,4%). CONCLUSÃO: O diagnóstico das lesões bucais malignas foi tardio, observando-se estadiamento T4 em 39,4% dos casos. Assim, para que oportunidades diagnósticas não sejam comprometidas é necessário o treinamento dos profissionais de saúde para abordagem dos fatores preventivos e do diagnóstico precoce e, finalmente a elaboração de rotinas programadas nos serviços de saúde para detecção de lesões suspeitas à inabilidade de alguns médicos e dentistas no reconhecimento do câncer. Contudo, para que oportunidades diagnósticas não sejam perdidas é necessário o treinamento dos profissionais de saúde para abordagem dos fatores preventivos e do diagnóstico precoce e, finalmente a elaboração de rotinas programadas nos serviços de saúde para detecção de lesões suspeitas.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[OBJECTIVE: The aim of this study was to evaluate the epidemiological profile of a cohort of patients diagnosed with oral or pharyngeal cancer in a High Complexity Oncology Center (level II) in Juiz de Fora, Minas Gerais, Brazil, from January 2005 to December 2007. METHODS: This cross-sectional study was based on the retrospective and descriptive analysis of 101 medical records. RESULTS: Of the 101 patients 84.2% were males with low education levels, of which 35.8% were blue-collar workers and 15.8% were females, of which 5.5% were homemakers. The gender ratio was 5.3:1 and the mean age of the sample was 56.5 years. The age of 49.5% of the individuals at diagnosis was below the mean age of the group. Regarding risk factors, 67.1% were smokers and 49.3% were alcoholics; 60% of the sample reported drinking distilled beverages (47.3%) daily. The most common sites were the tongue (32%), oropharynx (18.5%) and floor of mouth (12.4%). Staging at diagnosis revealed that 39.4% were T4, 38.3% were N2 and 91.4% were M0. CONCLUSION: The diagnosis of malignant oral lesions was late: 39.4% of the sample was in stage T4. Thus, for diagnostic opportunities not to be missed, it is necessary to train health professionals so that they can address the factors of prevention and early diagnosis. It is also necessary to develop routines in health services to detect suspicious lesions since some physicians and dentists are unable to recognize cancerous lesions.]]></p></abstract>
<kwd-group>
<kwd lng="pt"><![CDATA[epidemiologia]]></kwd>
<kwd lng="pt"><![CDATA[fatores de risco]]></kwd>
<kwd lng="pt"><![CDATA[neoplasias bucais]]></kwd>
<kwd lng="pt"><![CDATA[neoplasias faríngeas]]></kwd>
<kwd lng="en"><![CDATA[epidemiology]]></kwd>
<kwd lng="en"><![CDATA[risk factors]]></kwd>
<kwd lng="en"><![CDATA[mouth neoplasms]]></kwd>
<kwd lng="en"><![CDATA[pharyngeal neoplasms]]></kwd>
</kwd-group>
</article-meta>
</front><body><![CDATA[ <p align="right"><font size="2" face="Verdana"><b>ORIGINAL</b> ORIGINAL</font></p>     <p>&nbsp;</p>     <p><font size="4" face="verdana"><b><a name="title"></a>Perfil epidemiol&oacute;gico de casos incidentes de c&acirc;ncer de boca e faringe</b></font></p>     <p>&nbsp;</p>     <p><font size="3" face="verdana"><b>Epidemiological profile of incident cases of oral and pharyngeal cancer</b></font></p>     <p>&nbsp;</p>     <p>&nbsp;</p>     <p><font size="2" face="Verdana"><b>Let&iacute;cia de C&aacute;ssia Melo<sup>I</sup>; Marcelle Cristina da Silva<sup>II</sup>; Joyce Maria de Paula Bernardo<sup>I</sup>; Eduardo Bertarini Marques<sup>II</sup>; Isabel Cristina Gon&ccedil;alves Leite<sup>II, </sup><a href="#nt"><sup>*</sup></a></b></font></p>     <p><font size="2" face="Verdana"><sup>I</sup>Universidade Federal de Juiz de Fora, Faculdade de Odontologia. Juiz de Fora, MG, Brasil    <br>   <sup>II</sup>Universidade Federal de Juiz de Fora, Faculdade de Medicina. Rua Jos&eacute; Louren&ccedil;o Kelmer, s/n., <I>Campus</I> Universit&aacute;rio, S&atilde;o Pedro, 36036&#45;900, Juiz de Fora, MG, Brasil</font></p>     ]]></body>
<body><![CDATA[<p>&nbsp;</p>     <p>&nbsp;</p> <hr size="1" noshade>     <p><font size="2" face="Verdana"><b>RESUMO</b></font></p>     <p><font size="2" face="Verdana"><b>OBJETIVO:</b> Avaliar o perfil epidemiol&oacute;gico de uma coorte de pacientes diagnosticados com c&acirc;ncer de boca e faringe de um Centro de Alta Complexidade em Oncologia n&iacute;vel II do munic&iacute;pio de Juiz de Fora, Minas Gerais, entre janeiro 2005 e dezembro 2007.    <br>   <b>M&Eacute;TODOS:</b> Estudo transversal, fundamentado na an&aacute;lise retrospectiva e descritiva de 101 prontu&aacute;rios m&eacute;dicos.    <br>   <b>RESULTADOS:</b> Dos 101 pacientes, 84,2% eram homens com baixo n&iacute;vel de escolaridade, bem como trabalhadores bra&ccedil;ais (35,8%) e 15,8%, mulheres, donas&#45;de&#45;casa (5,5%). A raz&atilde;o de sexo foi 5,3:1; idade m&eacute;dia de 56,5 anos, sendo que 49,5% dos casos apresentavam ao diagn&oacute;stico, idade inferior &agrave; m&eacute;dia do grupo. Com rela&ccedil;&atilde;o aos h&aacute;bitos de risco, 67,1% eram tabagistas e o etilismo foi descrito em 49,3% dos prontu&aacute;rios, sendo que o relato de consumo di&aacute;rio, sob forma de bebidas destiladas (47,3%), foi feito por 60% dos casos. O s&iacute;tio anat&ocirc;mico mais prevalente foi a l&iacute;ngua (32%), orofaringe (18,5%), assoalho de boca (12,4%). No estadiamento ao diagn&oacute;stico verificou&#45;se maior n&uacute;mero de tumores T4 (39,4%), N2 (38,3%), M0 (91,4%).    <br>   <b>CONCLUS&Atilde;O:</b> O diagn&oacute;stico das les&otilde;es bucais malignas foi tardio, observando&#45;se estadiamento T4 em 39,4% dos casos. Assim, para que oportunidades diagn&oacute;sticas n&atilde;o sejam comprometidas &eacute; necess&aacute;rio o treinamento dos profissionais de sa&uacute;de para abordagem dos fatores preventivos e do diagn&oacute;stico precoce e, finalmente a elabora&ccedil;&atilde;o de rotinas programadas nos servi&ccedil;os de sa&uacute;de para detec&ccedil;&atilde;o de les&otilde;es suspeitas &agrave; inabilidade de alguns m&eacute;dicos e dentistas no reconhecimento do c&acirc;ncer. Contudo, para que oportunidades diagn&oacute;sticas n&atilde;o sejam perdidas &eacute; necess&aacute;rio o treinamento dos profissionais de sa&uacute;de para abordagem dos fatores preventivos e do diagn&oacute;stico precoce e, finalmente a elabora&ccedil;&atilde;o de rotinas programadas nos servi&ccedil;os de sa&uacute;de para detec&ccedil;&atilde;o de les&otilde;es suspeitas. </font></p>     <p><font size="2" face="Verdana"><b>Termos de indexa&ccedil;&atilde;o:</b> epidemiologia; fatores de risco; neoplasias bucais; neoplasias far&iacute;ngeas. </font></p> <hr size="1" noshade>     <p><font size="2" face="Verdana"><b>ABSTRACT</b></font></p>     <p><font size="2" face="Verdana"><b>OBJECTIVE:</b> The aim of this study was to evaluate the epidemiological profile of a cohort of patients diagnosed with oral or pharyngeal cancer in a High Complexity Oncology Center (level II) in Juiz de Fora, Minas Gerais, Brazil, from January 2005 to December 2007.    ]]></body>
<body><![CDATA[<br>   <b>METHODS:</b> This cross&#45;sectional study was based on the retrospective and descriptive analysis of 101 medical records.    <br>   <b>RESULTS:</b> Of the 101 patients 84.2% were males with low education levels, of which 35.8% were blue&#45;collar workers and 15.8% were females, of which 5.5% were homemakers. The gender ratio was 5.3:1 and the mean age of the sample was 56.5 years. The age of 49.5% of the individuals at diagnosis was below the mean age of the group. Regarding risk factors, 67.1% were smokers and 49.3% were alcoholics; 60% of the sample reported drinking distilled beverages (47.3%) daily. The most common sites were the tongue (32%), oropharynx (18.5%) and floor of mouth (12.4%). Staging at diagnosis revealed that 39.4% were T4, 38.3% were N2 and 91.4% were M0.    <br>   <b>CONCLUSION:</b> The diagnosis of malignant oral lesions was late: 39.4% of the sample was in stage T4. Thus, for diagnostic opportunities not to be missed, it is necessary to train health professionals so that they can address the factors of prevention and early diagnosis. It is also necessary to develop routines in health services to detect suspicious lesions since some physicians and dentists are unable to recognize cancerous lesions. </font></p>     <p><font size="2" face="Verdana"><b>Indexing terms:</b> epidemiology; risk factors; mouth neoplasms; pharyngeal neoplasms.</font></p> <hr size="1" noshade>     <p>&nbsp;</p>     <p>&nbsp;</p>     <p><font size="3" face="Verdana"><b>INTRODU&Ccedil;&Atilde;O</b></font></p>     <p><font size="2" face="Verdana">Os tumores de cabe&ccedil;a e pesco&ccedil;o, pela expressiva incid&ecirc;ncia e mortalidade, assim como alta letalidade, constituem relevante problema de sa&uacute;de p&uacute;blica, particularmente nos pa&iacute;ses em desenvolvimento<sup>1&#45;2</sup>. Dentre os 6,4 milh&otilde;es de neoplasias malignas diagnosticadas no mundo<sup>3</sup>, aproximadamente 10% est&atilde;o localizadas na boca<sup>4</sup>, sendo esse o sexto tipo de c&acirc;ncer mais incidente no planeta<sup>5</sup>. </font></p>     <p><font size="2" face="Verdana">De acordo com as estat&iacute;sticas mundiais, no ano de 2007, aproximadamente 200 mil novos casos de c&acirc;ncer bucal foram diagnosticados e a maior incid&ecirc;ncia de casos ocorreu na Melan&eacute;sia (Papua Nova Guin&eacute;, Ilhas Fiji, Ilhas Salom&atilde;o, Vanuatu) &#45; 31,5 casos por 100 mil homens e 20,2 casos por 100 mil mulheres, seguida pelo Sul da &Aacute;sia (Afeganist&atilde;o, Bangladesh, But&atilde;o, &Iacute;ndia, Iran, Cazaquist&atilde;o, Quirguist&atilde;o, Nepal, Paquist&atilde;o, Sri Lanka, Tadjiquist&atilde;o, Turcomenist&atilde;o, Uzbequist&atilde;o) &#45; 12,7 casos por 100 mil homens e 8,3 casos por 100 mil mulheres<sup>6</sup>. </font></p>     <p><font size="2" face="Verdana">No Brasil, segundo estimativas do Instituto Nacional de C&acirc;ncer (INCA) para o ano de 2010, cerca de 10.330 novos casos de c&acirc;ncer com localiza&ccedil;&atilde;o prim&aacute;ria em cavidade bucal ser&atilde;o diagnosticados no sexo masculino, enquanto para o sexo feminino a previs&atilde;o &eacute; de 3.790 casos. Calcula&#45;se que, deste total 4.010 casos sejam oriundos das capitais brasileiras. Para o estado de Minas Gerais estima&#45;se uma das maiores taxas brutas de incid&ecirc;ncia no pa&iacute;s para 100 mil habitantes, sendo de 8,63 e 2,93 para os g&ecirc;neros masculino e feminino, respectivamente<sup>1</sup>.</font></p>     ]]></body>
<body><![CDATA[<p><font size="2" face="Verdana">O c&acirc;ncer de boca compreendendo doen&ccedil;as do l&aacute;bio, l&iacute;ngua, gengiva, assoalho da boca, palato, gl&acirc;ndulas salivares, am&iacute;gdala e faringe (CID&#45;10 C00.0 a C14.8)<sup>1,7</sup> t&ecirc;m o seu desenvolvimento associado a fatores extr&iacute;nsecos ou ambientais. Os fatores intr&iacute;secos envolvem tabagismo, etilismo, dietas pobres em vegetais, exposi&ccedil;&atilde;o &agrave; luz ultravioleta, infec&ccedil;&atilde;o viral, m&aacute;&#45;higiene bucal e os intr&iacute;nsecos, referentes ao indiv&iacute;duo como idade, ra&ccedil;a, sexo, muta&ccedil;&otilde;es espont&acirc;neas e/ou herdadas<sup>8&#45;9</sup>. A grande preval&ecirc;ncia da doen&ccedil;a est&aacute; relacionada &agrave; a&ccedil;&atilde;o de agentes f&iacute;sicos e qu&iacute;micos com potencial mutag&ecirc;nico, sendo que dentre eles a combina&ccedil;&atilde;o de tabaco com o consumo de bebidas alco&oacute;licas &eacute; a causa de cerca de 65% a 90% das neoplasias bucais<sup>9</sup>.</font></p>     <p><font size="2" face="Verdana">O conhecimento dos fatores de risco constitui a base para uma preven&ccedil;&atilde;o efetiva da doen&ccedil;a<sup>4</sup>, bem como o reconhecimento da sintomatologia por parte do paciente, podendo o diagn&oacute;stico ser realizado precocemente e o indiv&iacute;duo encaminhado de imediato para tratamento, o que auxilia na redu&ccedil;&atilde;o da morbidade e mortalidade causadas pelo c&acirc;ncer<sup>10</sup>. O diagn&oacute;stico precoce &eacute; fator preponderante nas taxas de sobrevida que podem atingir 70% a 90%, quando as les&otilde;es ainda s&atilde;o pequenas e localizadas<sup>11</sup>, transpondo a m&eacute;dia mundial de sobrevida estimada em 46%<sup>1</sup>. </font></p>     <p><font size="2" face="Verdana">O objetivo deste estudo foi avaliar o perfil epidemiol&oacute;gico, caracterizando os grupos de risco, de uma coorte de pacientes diagnosticados com carcinoma epiderm&oacute;ide (CID&#45;10 C00.0 a C14.8) em um Centro de Alta Complexidade em Oncologia n&iacute;vel II (Cacon II) do munic&iacute;pio de Juiz de Fora (MG), no per&iacute;odo de janeiro de 2005 a dezembro de 2007.</font></p>     <p>&nbsp;</p>     <p><font size="3" face="Verdana"><b>M&Eacute;TODOS</b></font></p>     <p><font size="2" face="Verdana">O presente estudo transversal verificou, pela an&aacute;lise retrospectiva e descritiva, 101 prontu&aacute;rios m&eacute;dicos de pacientes diagnosticados com c&acirc;ncer de boca e faringe (CID&#45;10 C00.0 a C14.8) no per&iacute;odo de 2005 a 2007, em um Centro de Alta Complexidade Oncol&oacute;gica tipo II do munic&iacute;pio de Juiz de Fora (MG). </font></p>     <p><font size="2" face="Verdana">Foram selecionadas e analisadas vari&aacute;veis s&oacute;cio&#45;demogr&aacute;ficas &#45; g&ecirc;nero, faixa et&aacute;ria, estado civil, escolaridades, profiss&atilde;o, relacionadas ao estilo de vida &#45; consumo de tabaco e bebidas alco&oacute;licas &#45; e referentes &agrave; les&atilde;o &#45; localiza&ccedil;&atilde;o da les&atilde;o e estadiamento. Todos os dados foram obtidos a partir dos prontu&aacute;rios, portanto, destaca&#45;se que muitas vari&aacute;veis n&atilde;o puderam ser analisadas no total dos casos registrados, por falta de preenchimento adequado dos mesmos.</font></p>     <p><font size="2" face="Verdana">Os dados foram coletados em uma ficha padr&atilde;o elaborada exclusivamente para o estudo, e, posteriormente, reunidos em um banco de dados analisado pelo programa Epi Info 3.3.2. Medidas descritivas de preval&ecirc;ncia, frequ&ecirc;ncias absolutas e relativas foram obtidas, bem como compara&ccedil;&atilde;o entre grupos atrav&eacute;s do teste </font><font>&#967;</font><font size="2" face="verdana"><sup>2</sup>, com n&iacute;vel de signific&acirc;ncia de 5%.</font></p>     <p><font size="2" face="Verdana">O presente estudo foi aprovado pelo Comit&ecirc; de &Eacute;tica em Pesquisa em Humanos da Universidade Federal de Juiz de Fora (parecer no 166/2007).</font></p>     <p>&nbsp;</p>     ]]></body>
<body><![CDATA[<p><font size="3" face="Verdana"><b>RESULTADOS</b></font></p>     <p><font size="2" face="Verdana">Do total de 101 casos informados pelo Registro Hospitalar do C&acirc;ncer (RHC) como pacientes portadores de c&acirc;ncer de boca e faringe, no per&iacute;odo compreendido entre janeiro de 2005 e dezembro de 2007, predominavam carcinomas epiderm&oacute;ides, excetuando um &uacute;nico caso de carcinossarcoma em gl&acirc;ndula par&oacute;tida.</font></p>     <p><font size="2" face="Verdana">Quanto &agrave; faixa et&aacute;ria, esta variou de 23 a 57 anos, com idade m&eacute;dia de 56,5 anos. Destaca&#45;se que em 50 casos (49,5%), a idade ao diagn&oacute;stico foi abaixo da m&eacute;dia do grupo (<a href="#tab01">Tabela 1</a>). </font></p>     <p><a name="tab01"></a></p>     <p>&nbsp;</p>     <p align="center"><img src="/img/revistas/rgo/v58n3/a12tab01.jpg"></p>     <p>&nbsp;</p>     <p><font size="2" face="Verdana">Notou&#45;se predom&iacute;nio de homens, com escolaridade preponderantemente concentrada no Ensino Fundamental. Contudo, cabe ressaltar que 44,5% dos prontu&aacute;rios estavam incompletos quanto &agrave; vari&aacute;vel escolaridade (<a href="#tab02">Tabela 2</a>).</font></p>     <p><a name="tab02"></a></p>     <p>&nbsp;</p>     ]]></body>
<body><![CDATA[<p align="center"><img src="/img/revistas/rgo/v58n3/a12tab02.jpg"></p>     <p>&nbsp;</p>     <p><font size="2" face="Verdana">A declara&ccedil;&atilde;o de profiss&atilde;o exercida revelou o predom&iacute;nio de trabalhadores bra&ccedil;ais (35,8%). A seguir, as quatro categorias mais comumente descritas foram aposentados (33,6%), t&eacute;cnico&#45;administrativos (12%), n&iacute;vel superior/ger&ecirc;ncia (6,5%) e com&eacute;rcio (5,5%). Entre as mulheres, a ocupa&ccedil;&atilde;o predominante foi a de dona&#45;de&#45;casa (5,5%).</font></p>     <p><font size="2" face="Verdana">Com rela&ccedil;&atilde;o aos fatores de risco, foi avaliado o consumo de &aacute;lcool e tabaco, bem como sua frequ&ecirc;ncia de ingest&atilde;o e tipo de subst&acirc;ncia (<a href="#tab03">Tabela 3</a>). Verificou&#45;se que homens est&atilde;o significantemente mais expostos ao &aacute;lcool do que mulheres (<I>p</I>&lt;0,001). O relato de ingest&atilde;o di&aacute;ria foi descrito por 60% dos casos do sexo masculino, sob forma de bebidas destiladas na maioria das vezes (47,3%). </font></p>     <p><a name="tab03"></a></p>     <p>&nbsp;</p>     <p align="center"><img src="/img/revistas/rgo/v58n3/a12tab03.jpg"></p>     <p>&nbsp;</p>     <p><font size="2" face="Verdana">N&atilde;o foi identificada diferen&ccedil;a entre homens e mulheres quanto &agrave; exposi&ccedil;&atilde;o ao tabaco (<I>p</I>=0,08). Do total de casos, 67,1% relataram hist&oacute;ria presente de consumo de tabaco, enquanto 26% apresentaram&#45;se como ex&#45;tabagistas. Destes, 52,2% consomem/consumiam tabaco sob forma de cigarro comum (filtro); 31,9% sob forma de cigarro de palha e 15,9% combinavam diferentes usos de tabaco.</font></p>     <p><font size="2" face="Verdana">A <a href="#tab04">Tabela 4</a> mostra a distribui&ccedil;&atilde;o dos casos segundo a localiza&ccedil;&atilde;o anat&ocirc;mica. Notou&#45;se predom&iacute;nio de les&otilde;es em l&iacute;ngua (32%) em rela&ccedil;&atilde;o &agrave; orofaringe (18,5%) e assoalho de boca (12,4%).</font></p>     ]]></body>
<body><![CDATA[<p><a name="tab04"></a></p>     <p>&nbsp;</p>     <p align="center"><img src="/img/revistas/rgo/v58n3/a12tab04.jpg"></p>     <p>&nbsp;</p>     <p><font size="2" face="Verdana">No estadiamento (classifica&ccedil;&atilde;o TNM) observou&#45;se maior n&uacute;mero de tumores T<sub>2</sub> (31%) e T<sub>4</sub> (39,4%) em rela&ccedil;&atilde;o aos tumores prim&aacute;rios T<sub>1</sub> e T<sub>3</sub> e predom&iacute;nio dos casos N<sub>2(a, b, c)</sub> (38,3%) em rela&ccedil;&atilde;o aos N<sub>0</sub> (<a href="#tab05">Tabela 5</a>).</font></p>     <p><a name="tab05"></a></p>     <p>&nbsp;</p>     <p align="center"><img src="/img/revistas/rgo/v58n3/a12tab05.jpg"></p>     <p>&nbsp;</p>     <p><font size="3" face="Verdana"><b>DISCUSS&Atilde;O</b></font></p>     ]]></body>
<body><![CDATA[<p><font size="2" face="Verdana">De acordo com a an&aacute;lise de prontu&aacute;rios, o presente estudo verificou que a idade m&eacute;dia dos pacientes portadores da neoplasia de boca/faringe foi de 56,5 anos, assemelhando&#45;se aos achados de Campos et al.<sup>12</sup> que citaram idade m&eacute;dia de 56,16 anos. Todavia, &eacute; inferior &agrave;quelas verificadas por Antunes et al.<sup>13</sup> com m&eacute;dia de 61,1 anos. Mant&eacute;m, no entanto, o padr&atilde;o de comprometimento tardio em homens e mulheres, sendo as idades m&eacute;dias de 64,5 anos e 56,5 anos, respectivamente; contrastantes com o resultado encontrado por Abdo et al.<sup>14</sup>, no qual o sexo masculino apresenta m&eacute;dia de idade inferior &agrave;quela do sexo feminino &#45; 55,7 e 65,7 anos, respectivamente.</font></p>     <p><font size="2" face="Verdana">Quanto ao g&ecirc;nero, houve preval&ecirc;ncia masculina (84,2%), corroborando com a literatura que reconhece serem os homens mais propensos ao c&acirc;ncer deste s&iacute;tio anat&ocirc;mico<sup>1,4,13</sup>. Para a escolaridade, somente 1,8% tinham n&iacute;vel superior, 57,1% tinham o 1º grau, 25% eram analfabetos, estando de acordo com Pereira et al.<sup>15</sup> e Sassi et al.<sup>16</sup>. J&aacute; com rela&ccedil;&atilde;o &agrave; ocupa&ccedil;&atilde;o exercida, os achados deste estudo assemelham&#45;se aos de Leite &amp; Koifman<sup>17</sup> no qual predominaram categorias n&atilde;o especializadas, bem como aposentados. </font></p>     <p><font size="2" face="Verdana">Com rela&ccedil;&atilde;o aos h&aacute;bitos carcinog&ecirc;nicos mais fortemente associados com os tumores de boca e faringe (&aacute;lcool e tabaco), 67,1% fumavam e 49,3% eram etilistas, permitindo&#45;nos atribuir ao tabaco elevado risco no desenvolvimento do c&acirc;ncer de boca/faringe, conforme j&aacute; mencionado na literatura<sup>9,18</sup>. Al&eacute;m disso, o sinergismo entre tabaco e &aacute;lcool eleva a probabilidade para o surgimento do c&acirc;ncer bucal<sup>9,19&#45;20</sup>.</font></p>     <p><font size="2" face="Verdana">As localiza&ccedil;&otilde;es anat&ocirc;micas predominantes em l&iacute;ngua, assoalho de boca, se assemelham aos achados de Oliveira et al.<sup>4</sup>, Antunes et al.<sup>13</sup>, Brener et al.<sup>21</sup>, Favero et al.<sup>22</sup> havendo concord&acirc;ncia, da mesma forma, quanto ao tipo histol&oacute;gico de carcinomas epiderm&oacute;ides<sup>13,15,21&#45;24</sup>.</font></p>     <p><font size="2" face="Verdana">Observou&#45;se entre as les&otilde;es bucais malignas mais freq&uuml;entes a preponder&acirc;ncia do estadiamento tardio T<sub>4</sub> (39,4%)<sup>25</sup>, discordando de Pereira et al.<sup>15</sup> que relataram 56,58% de neoplasias em estadio inicial (T<sub>1</sub> e T<sub>2</sub>). </font></p>     <p><font size="2" face="Verdana">Considerando&#45;se que a boca &eacute; um local de f&aacute;cil acesso ao exame f&iacute;sico, pode&#45;se deduzir que existe uma defici&ecirc;ncia importante no diagn&oacute;stico precoce destes tipos de c&acirc;nceres. Adlard &amp; Hume<sup>25</sup> relataram que um dos fatores que contribuem para este fato &eacute; a falta de conhecimento dos principais sinais e sintomas da doen&ccedil;a por parte dos pacientes, e ainda, segundo Carvalho et al.<sup>26</sup>, o diagn&oacute;stico tardio relaciona&#45;se &agrave; dificuldade de acesso ao profissional de sa&uacute;de e &agrave; inabilidade de alguns m&eacute;dicos e dentistas no reconhecimento dos sinais e sintomas relacionados &agrave; detec&ccedil;&atilde;o do c&acirc;ncer de boca e faringe<sup>27</sup>.</font></p>     <p>&nbsp;</p>     <p><font size="3" face="Verdana"><b>CONCLUS&Atilde;O</b> </font></p>     <p><font size="2" face="Verdana">O presente estudo evidencia que mesmo existindo a tend&ecirc;ncia &agrave; universaliza&ccedil;&atilde;o dos fatores de risco, fazendo com que o sexo feminino contribua com o aumento da incid&ecirc;ncia do c&acirc;ncer de boca/faringe, o sexo masculino &eacute; ainda o mais acometido por estas neoplasias, principalmente pela maior exposi&ccedil;&atilde;o ao sinergismo &aacute;lcool&#45;tabaco que eleva sobremaneira a probabilidade do aparecimento da doen&ccedil;a. </font></p>     <p><font size="2" face="Verdana">Destaca&#45;se que al&eacute;m de homens etilistas e fumantes inveterados, pacientes com idade superior a 40 anos, bem como trabalhadores bra&ccedil;ais e com baixo n&iacute;vel de escolaridade devem ser vistos como popula&ccedil;&atilde;o vulner&aacute;vel. Salienta&#45;se que o padr&atilde;o de comprometimento &eacute; tardio em ambos os sexos, todavia o g&ecirc;nero feminino &eacute; precocemente atingido (56,5 anos, em m&eacute;dia) se comparado &agrave; idade m&eacute;dia masculina (64,5 anos).</font></p>     ]]></body>
<body><![CDATA[<p><font size="2" face="Verdana">Ressalta&#45;se que a boca &eacute; um local de f&aacute;cil acesso ao exame f&iacute;sico, entretanto oportunidades diagn&oacute;sticas s&atilde;o perdidas devido ao n&atilde;o conhecimento da sintomatologia por parte do paciente e &agrave; inabilidade de alguns m&eacute;dicos e dentistas no reconhecimento dos sinais e sintomas relacionados &agrave; detec&ccedil;&atilde;o do c&acirc;ncer de boca e faringe. O diagn&oacute;stico das les&otilde;es bucais malignas foi tardio, observando&#45;se estadiamento T<sub>4</sub> em 39,4% dos casos, o que influenciou o progn&oacute;stico desfavoravelmente. Portanto, &eacute; necess&aacute;rio o treinamento dos profissionais de sa&uacute;de para abordagem dos fatores preventivos e do diagn&oacute;stico precoce das les&otilde;es e finalmente a elabora&ccedil;&atilde;o de rotinas programadas nos servi&ccedil;os de sa&uacute;de para detec&ccedil;&atilde;o de les&otilde;es suspeitas. </font></p>     <p>&nbsp;</p>     <p><font size="3" face="Verdana"><b>Colaboradores</b> </font></p>     <p><font size="2" face="Verdana">LC MELO e MC SILVA organizaram e executaram a pesquisa, participando da an&aacute;lise dos dados e reda&ccedil;&atilde;o do artigo. JMP BERNARDO e EB MARQUES participaram da coleta e an&aacute;lise de dados. ICG LEITE participou como autora intelectual na an&aacute;lise dos dados e reda&ccedil;&atilde;o do artigo.</font></p>     <p>&nbsp;</p>     <p><font size="3" face="Verdana"><b>REFER&Ecirc;NCIAS</b></font></p>     <!-- ref --><p><font size="2" face="Verdana">1. Brasil. Minist&eacute;rio da Sa&uacute;de. Instituto Nacional de C&acirc;ncer. Estimativa 2010: incid&ecirc;ncia de c&acirc;ncer no Brasil. Rio de Janeiro: INCA, 2009.    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=196116&pid=S1981-8637201000030001200001&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --> </font></p>     <!-- ref --><p><font size="2" face="Verdana">2. Costa EG, Migliorati CA. C&acirc;ncer bucal: avalia&ccedil;&atilde;o do tempo decorrente entre a detec&ccedil;&atilde;o da les&atilde;o e o in&iacute;cio do tratamento. Rev Bras Cancerol. 2001;47(3):283&#45;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=196118&pid=S1981-8637201000030001200002&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --></font></p>     ]]></body>
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<body><![CDATA[<p>&nbsp;</p>     <p>&nbsp;</p>     <p><font size="2" face="Verdana">Recebido em: 11/9/2008    <br>   Aprovado em: 17/3/2009</font></p>     <p>&nbsp;</p>     <p>&nbsp;</p>     <p><font size="2" face="Verdana"><a name="nt"></a><a href="#title">*</a> Correspond&ecirc;ncia para / <I>Correspondence to</I>: ICG LEITE. <I>E&#45;mail</I>: &lt;<a href="mailto:isabel.leite@ufjf.edu.br">isabel.leite@ufjf.edu.br</a>&gt;.</font></p>      ]]></body>
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