<?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>0004-5276</journal-id>
<journal-title><![CDATA[Revista da Associacao Paulista de Cirurgioes Dentistas]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. Assoc. Paul. Cir. Dent.]]></abbrev-journal-title>
<issn>0004-5276</issn>
<publisher>
<publisher-name><![CDATA[Associacão Paulista de Cirurgiões-Dentistas]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0004-52762014000100007</article-id>
<title-group>
<article-title xml:lang="pt"><![CDATA[Sialolito de grandes dimensões no ducto da glândula submandibular]]></article-title>
<article-title xml:lang="en"><![CDATA[Large sialolith in the submandibular gland duct]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Alves]]></surname>
<given-names><![CDATA[Nayara Silva]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Soares]]></surname>
<given-names><![CDATA[Genaina Guimarães]]></given-names>
</name>
<xref ref-type="aff" rid="A02"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Azevedo]]></surname>
<given-names><![CDATA[Rebeca de Souza]]></given-names>
</name>
<xref ref-type="aff" rid="A03"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Camisasca]]></surname>
<given-names><![CDATA[Danielle Resende]]></given-names>
</name>
<xref ref-type="aff" rid="A03"/>
</contrib>
</contrib-group>
<aff id="A01">
<institution><![CDATA[,Pólo Universitário de Nova Friburgo (FOUFF/NF) Universidade Federal Fluminense ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
</aff>
<aff id="A02">
<institution><![CDATA[,Universidade Federal Fluminense  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
</aff>
<aff id="A03">
<institution><![CDATA[,Faculdade de Odontologia de Nova Friburgo  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>00</month>
<year>2014</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>00</month>
<year>2014</year>
</pub-date>
<volume>68</volume>
<numero>1</numero>
<fpage>49</fpage>
<lpage>53</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://revodonto.bvsalud.org/scielo.php?script=sci_arttext&amp;pid=S0004-52762014000100007&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://revodonto.bvsalud.org/scielo.php?script=sci_abstract&amp;pid=S0004-52762014000100007&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://revodonto.bvsalud.org/scielo.php?script=sci_pdf&amp;pid=S0004-52762014000100007&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="pt"><p><![CDATA[O objetivo deste trabalho é descrever o caso de um sialolito de grandes dimensões em glândula submandibular. Paciente do sexo feminino, leucoderma, 53 anos, procurou o cirurgião- dentista queixando-se de xerostomia, dor e inchaço na região de assoalho bucal, principalmente observado durante as refeições. O exame físico revelou uma tumefação em região submandibular esquerda, sensível a palpação, além de aumento de volume intra-oral firme, na região sublingual esquerda. Ao ordenhar a glândula submandibular, houve saída de pus. A radiografia oclusal inferior evidenciou extensa imagem radiopaca extensa, bem delimitada, cilíndrica e alongada. A associação dos exames clínicos e radiográficos levou ao diagnóstico de cálculo salivar. Foi realizada excisão cirúrgica da lesão sob anestesia local, com preservação da glândula submandibular. O exame anatomopatológico do cálculo revelou, na macroscopia, uma peça cirúrgica de consistência dura e cor amarela medindo 2,2 cm de diâmetro e, na microscopia, a presença de laminações concêntricas de material calcificado. A paciente encontra-se em acompanhamento há 2 anos e 8 meses, sem queixas de função glandular ou fluxo salivar, sem aumento de volume e exame radiográfico sem alterações. Apesar das grandes dimensões do sialolito, sua localização próxima à saída do ducto permitiu um tratamento conservador com bons resultados para a paciente.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[This paper aims to describe a case of a large submandibular sialolith. A 53-year-old Caucasian female looked for for her dentist complaining of xerostomia, pain and swelling in the floor of the mouth, mainly observed during meals. The physical exam revealed a tender swelling on palpation in the left submandibular region, and also a firm intraoral swelling was detected in the left sublingual region. It was possible to draw pus from the submandibular gland. Mandibular occlusal radiography showed an extensive cylindrical and elongated, well-defined radiopaque image in the floor of the mouth. The association of clinical and radiographic findings led to the diagnosis of salivary calculus. The lesion was submitted to surgical excision under local anesthesia and the submandibular gland was maintened. Macroscopic analysis revealed a yellow and hard in consistency specimen, measuring 2.2 cm in length, and microscopic analysis revealed the presence of concentric laminations of calcified material associated with . The patient is being followed up for 2 years and 8 months, with no complaints of salivary flow or gland dysfunction, without gland swelling and no radiographic changes. Despite it being a large sialolith, its location near the exit of the duct allowed a conservative treatment with satisfactory aesthetic and functional results for the patient.]]></p></abstract>
<kwd-group>
<kwd lng="pt"><![CDATA[cálculos das glândulas salivares]]></kwd>
<kwd lng="pt"><![CDATA[cálculos dos ductos salivares]]></kwd>
<kwd lng="pt"><![CDATA[doenças da boca]]></kwd>
<kwd lng="en"><![CDATA[salivary gland calculi]]></kwd>
<kwd lng="en"><![CDATA[salivary duct calcule]]></kwd>
<kwd lng="en"><![CDATA[mouth diseases]]></kwd>
</kwd-group>
</article-meta>
</front><body><![CDATA[ <p align="right"><font size="2" face="Verdana, Arial, Helvetica, sans-serif"><b>RELATO DE CASO CL&Iacute;NICO </b></font></p>     <p>&nbsp;</p>     <p><font size="4" face="Verdana, Arial, Helvetica, sans-serif"><a name="top"/></a><B>Sialolito de grandes dimens&otilde;es no ducto da gl&acirc;ndula submandibular</B></font></p>     <p>&nbsp;</p>     <p><font size="3" face="Verdana, Arial, Helvetica, sans-serif"><b>Large sialolith in the submandibular gland duct</b> </font></p>     <p>&nbsp;</p>     <p>&nbsp;</p>     <p><font size="2" face="Verdana, Arial, Helvetica, sans-serif"><b>Nayara Silva Alves<sup>I</sup>; Genaina Guimar&atilde;es Soares<sup>II</sup>; Rebeca de Souza Azevedo<sup>III</sup>; Danielle Resende Camisasca<sup>IV</sup></b></font></p>     <p><font size="2" face="Verdana, Arial, Helvetica, sans-serif"><sup>I </sup>Gradua&ccedil;&atilde;o - Mestranda em Cl&iacute;nica Odontol&oacute;gica pela Universidade Federal Fluminense - P&oacute;lo Universit&aacute;rio de Nova Friburgo (FOUFF/NF)    <br> <sup>II</sup> P&oacute;s-gradua&ccedil;&atilde;o lato sensu - Mestranda em Cl&iacute;nica Odontol&oacute;gica pela Universidade Federal Fluminense - Niter&oacute;i: Bolsista Capes    ]]></body>
<body><![CDATA[<br> <sup>III</sup> Doutorado - Professora Adjunta da Faculdade de Odontologia de Nova Friburgo    <br> <sup>IV</sup> Doutorado - Professora Adjunta da Faculdade de Odontologia de Nova Friburgo</font></p>     <p><font size="2" face="Verdana, Arial, Helvetica, sans-serif">Termo de consentimento livre e esclarecido assinado pelo paciente e enviado &agrave; Revista</font></p>     <p><font size="2" face="Verdana, Arial, Helvetica, sans-serif"><a href="#back">Endere&ccedil;o para correspond&ecirc;ncia</a></font></p>     <p>&nbsp;</p>     <p>&nbsp;</p> <hr size="1" noshade>     <p><font size="2" face="Verdana, Arial, Helvetica, sans-serif"><b>RESUMO</b> </font></p>     <p><font size="2" face="Verdana, Arial, Helvetica, sans-serif">O objetivo deste trabalho &eacute; descrever o caso de um sialolito de grandes dimens&otilde;es em gl&acirc;ndula submandibular. Paciente do sexo feminino, leucoderma, 53 anos, procurou o cirurgi&atilde;o- dentista queixando-se de xerostomia, dor e incha&ccedil;o na regi&atilde;o de assoalho bucal, principalmente observado durante as refei&ccedil;&otilde;es. O exame f&iacute;sico revelou uma tumefa&ccedil;&atilde;o em regi&atilde;o submandibular esquerda, sens&iacute;vel a palpa&ccedil;&atilde;o, al&eacute;m de aumento de volume intra-oral firme, na regi&atilde;o sublingual esquerda. Ao ordenhar a gl&acirc;ndula submandibular, houve sa&iacute;da de pus. A radiografia oclusal inferior evidenciou extensa imagem radiopaca extensa, bem delimitada, cil&iacute;ndrica e alongada. A associa&ccedil;&atilde;o dos exames cl&iacute;nicos e radiogr&aacute;ficos levou ao diagn&oacute;stico de c&aacute;lculo salivar. Foi realizada excis&atilde;o cir&uacute;rgica da les&atilde;o sob anestesia local, com preserva&ccedil;&atilde;o da gl&acirc;ndula submandibular. O exame anatomopatol&oacute;gico do c&aacute;lculo revelou, na macroscopia, uma pe&ccedil;a cir&uacute;rgica de consist&ecirc;ncia dura e cor amarela medindo 2,2 cm de di&acirc;metro e, na microscopia, a presen&ccedil;a de lamina&ccedil;&otilde;es conc&ecirc;ntricas de material calcificado. A paciente encontra-se em acompanhamento h&aacute; 2 anos e 8 meses, sem queixas de fun&ccedil;&atilde;o glandular ou fluxo salivar, sem aumento de volume e exame radiogr&aacute;fico sem altera&ccedil;&otilde;es. Apesar das grandes dimens&otilde;es do sialolito, sua localiza&ccedil;&atilde;o pr&oacute;xima &agrave; sa&iacute;da do ducto permitiu um tratamento conservador com bons resultados para a paciente.</font></p>     <p><font size="2" face="Verdana, Arial, Helvetica, sans-serif"><B>Descritores: </B>c&aacute;lculos das gl&acirc;ndulas salivares; c&aacute;lculos dos ductos salivares; doen&ccedil;as da boca.</font></p> <hr size="1" noshade>     <p><font size="2" face="Verdana, Arial, Helvetica, sans-serif"><B>ABSTRACT</B> </font></p>     ]]></body>
<body><![CDATA[<p><font size="2" face="Verdana, Arial, Helvetica, sans-serif">This paper aims to describe a case of a large submandibular sialolith. A 53-year-old Caucasian female looked for for her dentist complaining of xerostomia, pain and swelling in the floor of the mouth, mainly observed during meals. The physical exam revealed a tender swelling on palpation in the left submandibular region, and also a firm intraoral swelling was detected in the left sublingual region. It was possible to draw pus from the submandibular gland. Mandibular occlusal radiography showed an extensive cylindrical and elongated, well-defined radiopaque image in the floor of the mouth. The association of clinical and radiographic findings led to the diagnosis of salivary calculus. The lesion was submitted to surgical excision under local anesthesia and the submandibular gland was maintened. Macroscopic analysis revealed a yellow and hard in consistency specimen, measuring 2.2 cm in length, and microscopic analysis revealed the presence of concentric laminations of calcified material associated with . The patient is being followed up for 2 years and 8 months, with no complaints of salivary flow or gland dysfunction, without gland swelling and no radiographic changes. Despite it being a large sialolith, its location near the exit of the duct allowed a conservative treatment with satisfactory aesthetic and functional results for the patient.</font></p>     <p><font size="2" face="Verdana, Arial, Helvetica, sans-serif"><B>Descriptors: </B>salivary gland calculi; salivary duct calcule; mouth diseases.</font> </p> <hr noshade size="1">     <p>&nbsp;</p>     <p>&nbsp;</p>     <p><font size="3" face="Verdana, Arial, Helvetica, sans-serif"><B> RELEV&Acirc;NCIA CL&Iacute;NICA</B></font></p>     <p><font size="2" face="Verdana, Arial, Helvetica, sans-serif">Por ser uma das altera&ccedil;&otilde;es de gl&acirc;ndulas salivares mais prevalentes, justifica-se o relato desse caso de sialolit&iacute;ase, que se destaca pelo tamanho do c&aacute;lculo encontrado. Dessa forma, &eacute; importante que o cirurgi&atilde;o-dentista esteja ciente da possibilidade de se deparar com um sialolito de grandes dimens&otilde;es.</font></p>     <p>&nbsp;</p>     <p><font size="3" face="Verdana, Arial, Helvetica, sans-serif"><B> INTRODU&Ccedil;&Atilde;O</B></font></p>     <p><font size="2" face="Verdana, Arial, Helvetica, sans-serif">A sialolit&iacute;ase &eacute; uma patologia comum das gl&acirc;ndulas salivares caracterizada pela presen&ccedil;a de estruturas mineralizadas no interior do sistema ductal, ou mesmo, no par&ecirc;nquima glandular, ocasionando a obstru&ccedil;&atilde;o parcial ou total do fluxo salivar<sup>1,2</sup>. Sua frequ&ecirc;ncia estimada &eacute; de 1,2% na popula&ccedil;&atilde;o adulta,<sup>3,4</sup> acomete preferencialmente o sexo masculino, atinge ampla faixa et&aacute;ria e n&atilde;o se observa predile&ccedil;&atilde;o por ra&ccedil;a.<sup>2,4,5</sup> </font></p>     <p><font size="2" face="Verdana, Arial, Helvetica, sans-serif">A exata etiologia do c&aacute;lculo salivar ainda &eacute; desconhecida, por&eacute;m h&aacute; v&aacute;rias teorias relacionadas ao seu mecanismo de forma&ccedil;&atilde;o. Fatores como a calcifica&ccedil;&atilde;o ao redor de corpos estranhos, c&eacute;lulas epiteliais descamadas, bact&eacute;rias ou produtos da decomposi&ccedil;&atilde;o bacteriana e o desequil&iacute;brio i&ocirc;nico foram propostos para explicar a etiologia dos sialolitos.<sup>6,7,8</sup> </font></p>     ]]></body>
<body><![CDATA[<p><font size="2" face="Verdana, Arial, Helvetica, sans-serif">Os sialolitos podem se formar em qualquer gl&acirc;ndula salivar, entretanto, a maioria tem origem na gl&acirc;ndula submandibular.<sup>9,5,2,10,7,3,11</sup> O trajeto alongado, tortuoso e ascendente do ducto submandibular (ducto de Warthon), a secre&ccedil;&atilde;o mucosa e espessa, maiores concentra&ccedil;&otilde;es de &iacute;ons de c&aacute;lcio e fosfato podem ser respons&aacute;veis pela maior tend&ecirc;ncia &agrave; forma&ccedil;&atilde;o de c&aacute;lculos nestas gl&acirc;ndulas.<sup>9,6,8,12,13,2</sup> </font></p>     <p><font size="2" face="Verdana, Arial, Helvetica, sans-serif">Os sintomas da sialolit&iacute;ase podem variar dependendo do tamanho do c&aacute;lculo. Suas manifesta&ccedil;&otilde;es cl&iacute;nicas tornam- se mais evidentes durante as refei&ccedil;&otilde;es. Frequentemente os pacientes se queixam de xerostomia, tumefa&ccedil;&atilde;o na regi&atilde;o da gl&acirc;ndula envolvida, dor, febre e presen&ccedil;a de secre&ccedil;&atilde;o purulenta.<sup>13,4,1,5</sup> </font></p>     <p><font size="2" face="Verdana, Arial, Helvetica, sans-serif">O diagn&oacute;stico dessa condi&ccedil;&atilde;o se faz pela associa&ccedil;&atilde;o dos exames cl&iacute;nico e radiogr&aacute;fico, ou ainda por meio de exames mais complexos como a sialografia, a tomografia computadorizada, a resson&acirc;ncia magn&eacute;tica, a cintilografia, a ultrassonografia e a endoscopia. Radiograficamente, os sialolitos podem se apresentar como uma massa radiopaca alongada ou ovoide, podendo ser identificados por meio das incid&ecirc;ncias oclusal, extraoral e ocasionalmente ao exame periapical.<sup>14,15,16,11</sup> Ao exame histopatol&oacute;gico, observam-se lamina&ccedil;&otilde;es conc&ecirc;ntricas que podem circundar um nicho de restos org&acirc;nicos. Quando h&aacute; remo&ccedil;&atilde;o do ducto, pode ser notar metaplasia de c&eacute;lulas escamosas, oncoc&iacute;ticas ou mucosas. A inflama&ccedil;&atilde;o periductal aguda ou cr&ocirc;nica tamb&eacute;m est&aacute; presente.<sup>10,17</sup> </font></p>     <p><font size="2" face="Verdana, Arial, Helvetica, sans-serif">O tratamento pode variar de acordo com a localiza&ccedil;&atilde;o e o tamanho do c&aacute;lculo<sup>6,8,13,16</sup>. Para al&iacute;vio dos sintomas associados, s&atilde;o institu&iacute;das terapias com antibi&oacute;ticos, analg&eacute;sicos ou antipir&eacute;ticos. Quando o c&aacute;lculo encontra-se no interior do ducto glandular, o tratamento de escolha &eacute; a remo&ccedil;&atilde;o do c&aacute;lculo atrav&eacute;s do acesso intraoral. Quando o c&aacute;lculo est&aacute; localizado dentro da gl&acirc;ndula, faz-se necess&aacute;ria a remo&ccedil;&atilde;o de toda a gl&acirc;ndula afetada.<sup>9,18,17,11,5</sup> </font></p>     <p><font size="2" face="Verdana, Arial, Helvetica, sans-serif">Este artigo tem como objetivo relatar um caso de sialolito de grandes dimens&otilde;es que acometeu a gl&acirc;ndula submandibular.</font></p>     <p>&nbsp;</p>     <p><font size="3" face="Verdana, Arial, Helvetica, sans-serif"><B> RELATO DE CASO </B></font></p>     <p><font size="2" face="Verdana, Arial, Helvetica, sans-serif">Paciente do sexo feminino, leucoderma, 53 anos, procurou o Cirurgi&atilde;o-Dentista queixando-se de xerostomia, dor e incha&ccedil;o na regi&atilde;o de assoalho bucal, principalmente observada durante as refei&ccedil;&otilde;es. Ao exame f&iacute;sico, detectou-se tumefa&ccedil;&atilde;o em regi&atilde;o submandibular esquerda, sens&iacute;vel &agrave; palpa&ccedil;&atilde;o, al&eacute;m de um aumento de volume intraoral de consist&ecirc;ncia firme, na regi&atilde;o sublingual esquerda. Ao ordenhar a gl&acirc;ndula submandibular, houve sa&iacute;da de secre&ccedil;&atilde;o purulenta. </font></p>     <p><font size="2" face="Verdana, Arial, Helvetica, sans-serif">Primeiramente foi realizada uma radiografia lateral obl&iacute;qua de mand&iacute;bula (<a href="#fig01">Figura 1A</a>), que evidenciou a presen&ccedil;a de imagem radiopaca cil&iacute;ndrica com uma inclina&ccedil;&atilde;o anteroposterior. A tomada radiogr&aacute;fica oclusal inferior permitiu a visualiza&ccedil;&atilde;o mais detalhada da altera&ccedil;&atilde;o, caracterizada como uma extensa imagem radiopaca, cil&iacute;ndrica e alongada, bem delimitada na regi&atilde;o de assoalho bucal, &agrave; esquerda (<a href="#fig01">Figura 1B</a>). A associa&ccedil;&atilde;o dos exames cl&iacute;nicos e radiogr&aacute;ficos permitiu que se estabelecesse o diagn&oacute;stico de c&aacute;lculo salivar. </font></p>     <p><font size="2" face="Verdana, Arial, Helvetica, sans-serif">O sialolito foi removido por meio de uma cirurgia simples, com abordagem intraoral, sob anestesia local, utilizando tubete anest&eacute;sico do tipo cloridrato de lidoca&iacute;na a 2% (SSWhite/ Duflex). Foi realizada a estabiliza&ccedil;&atilde;o do c&aacute;lculo com pin&ccedil;a hemost&aacute;tica (Quinelato, Schobell Industrial Ltda) e procedeu-se a incis&atilde;o dos tecidos moles, sobre o assoalho bucal. Foi feita uma &uacute;nica incis&atilde;o linear, de aproximadamente 1,5 cm de extens&atilde;o, com l&acirc;mina de bisturi n&ordm;15 (Solidor). Os tecidos foram divulsionados cuidadosamente com tesoura Metzembaum (Quinelato, Schobell Industrial Ltda), facilitando a visualiza&ccedil;&atilde;o das estruturas, at&eacute; que se pudesse separar o c&aacute;lculo dos tecidos subjacentes e remov&ecirc;-lo. Irrigou-se a regi&atilde;o abundantemente com solu&ccedil;&atilde;o de soro fisiol&oacute;gico a 0,9% e a incis&atilde;o foi suturada com tr&ecirc;s pontos simples (fio 4.0 de seda tran&ccedil;ada, Ethicon, Johnson &amp; Johnson). Houve preserva&ccedil;&atilde;o completa da gl&acirc;ndula submandibular (<a href="#fig02">Figura 2A</a>). </font></p>     ]]></body>
<body><![CDATA[<p><font size="2" face="Verdana, Arial, Helvetica, sans-serif">O exame anatomopatol&oacute;gico revelou, na macroscopia, um n&oacute;dulo cil&iacute;ndrico de consist&ecirc;ncia dura e cor amarela, medindo 22 x 07 x 05 mm (<a href="#fig02">Figura 2B</a>). Na microscopia, observou-se a presen&ccedil;a de lamina&ccedil;&otilde;es conc&ecirc;ntricas de material calcificado associado aos agregados de material org&acirc;nico (<a href="#fig03">Figura 3</a>). </font></p>     <p><font size="2" face="Verdana, Arial, Helvetica, sans-serif">A paciente encontra-se em acompanhamento h&aacute; 2 anos e 8 meses, sem queixas de disfun&ccedil;&atilde;o glandular ou de altera&ccedil;&atilde;o do fluxo salivar, sem aumento de volume e exame radiogr&aacute;fico sem altera&ccedil;&otilde;es (<a href="#fig04">Figura 4</a>).</font></p>     <p>&nbsp;</p>     <p><a name="fig01"></a></p>     <p>&nbsp; </p>     <p align="center"><img src="/img/revistas/apcd/v68n1/a07fig01.jpg">     <p>&nbsp;</p>     <p><a name="fig02"></a></p>     <p>&nbsp; </p>     <p align="center"><img src="/img/revistas/apcd/v68n1/a07fig02.jpg">     ]]></body>
<body><![CDATA[<p>&nbsp;</p>     <p><a name="fig03"></a></p>     <p>&nbsp; </p>     <p align="center"><img src="/img/revistas/apcd/v68n1/a07fig03.jpg">     <p>&nbsp;</p>     <p><a name="fig04"></a></p>     <p>&nbsp; </p>     <p align="center"><img src="/img/revistas/apcd/v68n1/a07fig04.jpg">     <p>&nbsp;</p>     <p><font size="3" face="Verdana, Arial, Helvetica, sans-serif"><B>DISCUSS&Atilde;O</B></font></p>     ]]></body>
<body><![CDATA[<p><font size="2" face="Verdana, Arial, Helvetica, sans-serif">O sialolito da gl&acirc;ndula submandibular pode variar de menos de 2 mm<sup>19</sup> a 72 mm em sua maior dimens&atilde;o.<sup>20</sup> S&atilde;o considerados sialolitos gigantes os c&aacute;lculos com tamanho superior 1,4 cm<sup>3,21</sup>, por&eacute;m, alguns autores reservam tal denomina&ccedil;&atilde;o apenas para os c&aacute;lculos com dimens&atilde;o maior do que 3,0 cm.<sup>16,4</sup> O caso apresentado se refere a um sialolito de 2,2 cm de comprimento, bem acima da m&eacute;dia de 1 cm<sup>7,19</sup> dos c&aacute;lculos salivares, podendo ser caracterizado como um sialolito de grandes dimens&otilde;es. </font></p>     <p><font size="2" face="Verdana, Arial, Helvetica, sans-serif">Os sintomas mais comuns da sialolit&iacute;ase s&atilde;o dor e aumento de volume associados &agrave; gl&acirc;ndula salivar, principalmente durante as refei&ccedil;&otilde;es<sup>1,12,8,18</sup>. Pode-se observar tamb&eacute;m casos que apresentam xerostomia, eritema e drenagem de secre&ccedil;&atilde;o purulenta. <sup>9,22</sup> Embora os sialolitos possam ser assintom&aacute;ticos,<sup>15</sup> manifesta&ccedil;&otilde;es como febre, edema difuso, hiperemia, disfagia e dor ao falar podem estar presentes.<sup>13,23,17</sup> No presente relato, devido &agrave;s grandes dimens&otilde;es do sialolito, a paciente se queixava de xerostomia e apresentava dor e edema sublingual, al&eacute;m de edema da gl&acirc;ndula submandibular esquerda. </font></p>     <p><font size="2" face="Verdana, Arial, Helvetica, sans-serif">O m&eacute;todo mais utilizado para o diagn&oacute;stico da sialolit&iacute;ase &eacute; a associa&ccedil;&atilde;o do exame cl&iacute;nico e radiogr&aacute;fico.<sup>1,2,6,7,18,13,22</sup> As t&eacute;cnicas radiogr&aacute;ficas mais aplicadas para detec&ccedil;&atilde;o de c&aacute;lculos salivares s&atilde;o a radiografia oclusal<sup>6,7,22</sup>, a panor&acirc;mica<sup>1,6,12</sup>, e a lateral obl&iacute;qua da mand&iacute;bula.<sup>6,7,17</sup> Recursos como a tomografia computadorizada<sup>16,3,23,11</sup> e a ultrassonografia<sup>19</sup> tamb&eacute;m t&ecirc;m sido utilizados para detec&ccedil;&atilde;o de sialolitos. &eacute; indicada em caso de suspeita de c&aacute;lculos pouco calcificados que n&atilde;o podem ser detectados radiograficamente.<sup>6,14</sup> S&atilde;o tamb&eacute;m exames complementares que podem ser utilizados em casos de dificuldade de diagn&oacute;stico pelas t&eacute;cnicas radiogr&aacute;ficas de rotina, a cintilografia e a resson&acirc;ncia magn&eacute;tica.<sup>6</sup> No presente caso, o exame cl&iacute;nico evidenciou a presen&ccedil;a do c&aacute;lculo que foi confirmada a partir de duas tomadas radiogr&aacute;ficas dispon&iacute;veis no momento do exame inicial.</font></p>     <p><font size="2" face="Verdana, Arial, Helvetica, sans-serif"> O tratamento conservador de c&aacute;lculos salivares tem ganhado crescente destaque na literatura. Segundo Soares et al. (2009)<sup>22</sup>, em caso de sialolitos extensos, o uso da litotripsia extracorp&oacute;rea por ondas de choque e a litotripsia intracorp&oacute;rea endosc&oacute;pica por ondas de choque, oferecem menos riscos do que a op&ccedil;&atilde;o cir&uacute;rgica e causam menos desconforto para o paciente preservando a gl&acirc;ndula salivar associada.<sup>22</sup> Com o intuito de evitar o acesso transcervical, al&eacute;m da abordagem intraoral,<sup>23</sup> os cirurgi&otilde;es lan&ccedil;am m&atilde;o da sialoadenectomia por endoscopia<sup>24</sup> ou assistida por v&iacute;deo.<sup>1</sup> Para os c&aacute;lculos pequenos, busca-se sua elimina&ccedil;&atilde;o por meio de orienta&ccedil;&atilde;o ao paciente, incentivando o aumento da ingest&atilde;o de l&iacute;quidos, o est&iacute;mulo do fluxo salivar com administra&ccedil;&atilde;o de medicamentos ou subst&acirc;ncias &aacute;cidas e a aplica&ccedil;&atilde;o de calor &uacute;mido sobre a regi&atilde;o afetada.<sup>13</sup> Caso as condutas conservadoras n&atilde;o sejam bem sucedidas, opta-se pela remo&ccedil;&atilde;o cir&uacute;rgica dos c&aacute;lculos, que podem consistir na completa excis&atilde;o da gl&acirc;ndula afetada<sup>9,8,18,23,17,5</sup> ou, assim como no caso apresentado, pela remo&ccedil;&atilde;o isolada do sialolito sob anestesia local com preserva&ccedil;&atilde;o da gl&acirc;ndula salivar envolvida.<sup>7,12,21,22,4</sup> </font></p>     <p><font size="2" face="Verdana, Arial, Helvetica, sans-serif">O diagn&oacute;stico diferencial deve ser realizado considerando outras patologias glandulares, tais como sialoadenite obstrutiva, parotidite epid&ecirc;mica, neoplasias de gl&acirc;ndulas salivares<sup>9</sup>, sialodenite esclerosante cr&ocirc;nica<sup>17</sup>, e calcifica&ccedil;&otilde;es de n&oacute;dulos linf&aacute;ticos.<sup>14</sup> O aumento volum&eacute;trico constante geralmente &eacute; causado por tumores ou processos generalizados, como a s&iacute;ndrome de Sj&ouml;gren, diabetes, alcoolismo, dentre outros<sup>6</sup>. Na maioria dos casos de sialolit&iacute;ase, a hist&oacute;ria cl&iacute;nica, o exame f&iacute;sico e o exame radiogr&aacute;fico s&atilde;o suficientes para se chegar ao diagn&oacute;stico. Poucos s&atilde;o os estudos que fazem o exame histopatol&oacute;gico do c&aacute;lculo em si, como no presente trabalho. Tamb&eacute;m &eacute; poss&iacute;vel fazer a an&aacute;lise bioqu&iacute;mica e microbiol&oacute;gica do sialolito. Contudo, quando a gl&acirc;ndula &eacute; retirada juntamente com o sialolito<sup>23,9,17</sup> o exame histopatol&oacute;gico torna-se mandat&oacute;rio, uma vez que pode haver altera&ccedil;&otilde;es inflamat&oacute;rias, como a sialodenite cr&ocirc;nica comumente associada, ou que mimetizem uma neoplasia, como a sialoadenite esclerosante cr&ocirc;nica (Tumor de Kuttner).</font></p>     <p>&nbsp;</p>     <p><font size="3" face="Verdana, Arial, Helvetica, sans-serif"><B>CONCLUS&Atilde;O</B></font></p>     <p><font size="2" face="Verdana, Arial, Helvetica, sans-serif">A sialolit&iacute;ase &eacute; uma altera&ccedil;&atilde;o comum das gl&acirc;ndulas salivares que deve ser diagnosticada corretamente pelo cirurgi&atilde;o-dentista para que o caso seja conduzido de forma adequada, uma vez que, na presen&ccedil;a de c&aacute;lculos na por&ccedil;&atilde;o terminal do ducto, mesmo que sejam de grandes dimens&otilde;es, como no caso descrito, h&aacute; a possibilidade do tratamento conservador, evitando a remo&ccedil;&atilde;o total da gl&acirc;ndula envolvida. O presente caso ilustra como esse procedimento simples foi eficaz na remiss&atilde;o de todos os sinais e sintomas que acompanhavam a sialolit&iacute;ase. </font></p>     <p>&nbsp;</p>     <p><font size="3" face="Verdana, Arial, Helvetica, sans-serif"><B>APLICA&Ccedil;&Atilde;O CL&Iacute;NICA</B></font></p>     ]]></body>
<body><![CDATA[<p><font size="2" face="Verdana, Arial, Helvetica, sans-serif">O Cirurgi&atilde;o-Dentista deve saber que o diagn&oacute;stico da sialolit&iacute;ase em geral &eacute; feito atrav&eacute;s da combina&ccedil;&atilde;o dos dados obtidos na anamnese, associados &agrave; apresenta&ccedil;&atilde;o cl&iacute;nica e radiogr&aacute;fica. Mesmo nos casos de sialolitos gigantes ou de grandes dimens&otilde;es, &eacute; poss&iacute;vel fazer uma abordagem cir&uacute;rgica conservadora, conforme a localiza&ccedil;&atilde;o do sialolito no trajeto do ducto ou da gl&acirc;ndula salivar. N&atilde;o deve ser confundido com um processo neopl&aacute;sico e o material pode ser enviado para an&aacute;lise histopatol&oacute;gica.</font></p>     <p>&nbsp;</p>     <p><font size="3" face="Verdana, Arial, Helvetica, sans-serif"><B>REFER&Ecirc;NCIAS </B></font></p>     <!-- ref --><p><font size="2" face="Verdana, Arial, Helvetica, sans-serif">1. Boffano P, Gallesio C. 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<body><![CDATA[<!-- ref --><p><font size="2" face="Verdana, Arial, Helvetica, sans-serif">10. Alcure ML, Vargas PA, Jorge Jr J, Hip&oacute;lito Jr, Lopes A. Clinical and histopathological findings of sialoliths. Braz J Oral Sci. October-December 2005; 4(15): 899-903.    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=414795&pid=S0004-5276201400010000700010&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, Arial, Helvetica, sans-serif">11. Santos TS, Ara&uacute;jo FAC, Frota R, Caubi AF, Silva EDO. Intraoral Approach for Removal of Large Sialolith in Submandibular Gland. J Craniofac Surg. 2012; 23(6):1845-1847.    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=414797&pid=S0004-5276201400010000700011&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, Arial, Helvetica, sans-serif">12. Branco LC, Cardoso AB, Caubi AF,Pena GN. Sialolit&iacute;ase: Relato de um caso. Rev. Cir. Traumatol. Buco-Maxilo-Fac. 2003;3(3):9-14.    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=414799&pid=S0004-5276201400010000700012&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, Arial, Helvetica, sans-serif"> 13. Sutay S, Erdag TK, Ikiz AO, Guneri EA. Large submandibular gland calculus with perforation of the floor of the mouth. Otolaryngol Head Neck Surg. 2003;128(4):587-8.    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=414801&pid=S0004-5276201400010000700013&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, Arial, Helvetica, sans-serif">14. Jacome, AMSC, Abdo EN. Aspectos Radiogr&aacute;ficos das calcifica&ccedil;&otilde;es em tecidos moles da regi&atilde;o bucomaxilofacial. Odontol. Cl&iacute;n.-Cient., Recife 2010;9 (1):25-32.    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=414803&pid=S0004-5276201400010000700014&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --> </font></p>     ]]></body>
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G&uuml;ng&ouml;rm&uuml;&#351; M, Yavuz MS, Yolcu U. Giant sublingual sialolith leading to dysphagia. J Emerg Med 2010;39(3):129-30.    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=414819&pid=S0004-5276201400010000700023&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, Arial, Helvetica, sans-serif">24. Witt RL, Iro H, Koch M, McGurk M, Nahlieli O, Zenk J. Minimally invasive options for salivary calculi. Laryngoscope. 2012 Jun;122(6):1306-11.    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=414821&pid=S0004-5276201400010000700024&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --></font></p>     <p>&nbsp;</p>     <p>&nbsp;</p>     ]]></body>
<body><![CDATA[<p><font size="2" face="Verdana, Arial, Helvetica, sans-serif"><a name="back"/></a><a href="#top"><img src="/img/revistas/apcd/v67n3/seta.jpg" border="0" align="absmiddle"/></a><b>Endere&ccedil;o para correspond&ecirc;ncia:</b>    <br>   </font><font size="2" face="Verdana, Arial, Helvetica, sans-serif">Danielle Resende Camisasca    <br>   Rua Doutor Silvio Henrique Braune, 22    <br>   Centro - Nova Friburgo - RJ    <br>   28625-650    <br>   Brasil</font><font size="2" face="Verdana, Arial, Helvetica, sans-serif">    <br>   e-mail: </font><font size="2" face="Verdana, Arial, Helvetica, sans-serif"><a href="mailto:daniellecamisasca@yahoo.com.br" target="_blank">daniellecamisasca@yahoo.com.br</a></font></p>     <p>&nbsp;</p>        <p><font size="2" face="Verdana, Arial, Helvetica, sans-serif"><b>Recebido em: nov/2013    <br>  Aprovado em: fev/2014</b></font></p>      ]]></body>
<body><![CDATA[<p>&nbsp;</p>        ]]></body>
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