<?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>S0034-75072014000100013</article-id>
<title-group>
<article-title xml:lang="pt"><![CDATA[Tumor Odontogênico Cístico Calcificante associado a Odontoma]]></article-title>
<article-title xml:lang="es"><![CDATA[Tumor quístico odontogénico calcificante asociado con odontoma]]></article-title>
<article-title xml:lang="en"><![CDATA[Calcifying cystic odontogenic tumour associated with Odontoma]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Lopes Dias]]></surname>
<given-names><![CDATA[Sanyra]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Alves Pacheco]]></surname>
<given-names><![CDATA[Matheus]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Queiroz Vasconcelos Oliveira]]></surname>
<given-names><![CDATA[Gabriel]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Matos Paraguassú]]></surname>
<given-names><![CDATA[Gardênia]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Nunes dos Santos]]></surname>
<given-names><![CDATA[Jean]]></given-names>
</name>
<xref ref-type="aff" rid="A02"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Sampaio Queiroz]]></surname>
<given-names><![CDATA[Christiano]]></given-names>
</name>
<xref ref-type="aff" rid="A02"/>
</contrib>
</contrib-group>
<aff id="A01">
<institution><![CDATA[,Universidade Federal da Bahia. (UFBA)  ]]></institution>
<addr-line><![CDATA[Salvador, Bahia ]]></addr-line>
<country>Brasil</country>
</aff>
<aff id="A02">
<institution><![CDATA[,Universidade São Paulo  ]]></institution>
<addr-line><![CDATA[São Paulo SP- ]]></addr-line>
<country>Brasil</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>03</month>
<year>2014</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>03</month>
<year>2014</year>
</pub-date>
<volume>51</volume>
<numero>1</numero>
<fpage>121</fpage>
<lpage>129</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_arttext&amp;pid=S0034-75072014000100013&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_abstract&amp;pid=S0034-75072014000100013&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_pdf&amp;pid=S0034-75072014000100013&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="pt"><p><![CDATA[O Tumor Odontogênico Cístico Calcificante ou Cisto de Gorlin é uma lesão odontogênica rara, descrita como neoplasia cística benigna de origem odontogênica, que apresenta comportamento clínico variável. Sua patogênese permanece desconhecida, embora comumente seja aceito que se desenvolva a partir de remanescentes do epitélio odontogênico, presentes na da mandíbula, maxila e gengiva. O Objetivo deste artigo é relatar o caso clínico de tumor quístico odontogénico calcificante asociado com odontoma. Paciente do gênero masculino, 11 anos de idade, que procurou o Serviço de Cirurgia e Traumatologia Bucomaxilofacial do Hospital Santo Antônio-OSID/Salvador-BA, apresentando aumento de volume intrabucal indolor, na região de corpo mandibular esquerdo. No exame imaginológico observou-se lesão radiolúcida unilocular, bem delimitada, estendendo-se da região de incisivo lateral até primeiro pré-molar inferior esquerdo, associado à massa radiopaca em seu interior além de unidade supranumerária deslocada para basilar da mandíbula. Foi realizada a biópsia excisional da lesão, constatando-se o diagnóstico de tumor odontogênico cístico calcificante associado à odontoma. O paciente encontra-se sem sinais de recidiva, com dois anos de acompanhamento em tratamento ortodôntico. O conhecimento das características da lesão, um exame clínico detalhado e a solicitação de exames complementares são fundamentais para um diagnóstico criterioso, com a finalidade de oferecer ao paciente o tratamento mais adequado, que atualmente consiste na enucleação total da lesão, obtendo-se um bom prognóstico, raramente com relatos de recidiva.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[El tumor odontogénico quístico calcificante es una lesión rara, descrito como neoplasia benigna, de origen odontogénico, que presenta un comportamiento clínico variable. El objetivo de este trabajo es presentar el caso clínico de tumor odontogénico quístico calcificante associado a odontoma. Paciente varón, de 11 años de edad, quien trató de Servicio y Cirugía Máxilofacial, Hospital Santo Antônio-OSID/Salvador-BA, y presentó hinchazón sin dolor intraoral en la región del cuerpo mandibular. En el examen de imágenes revelaron una lesión radiolúcida unilocular, bien definida, que se extiende desde la región del incisivo lateral al primer premolar inferior izquierdo, asociado con una masa radiopaca dentro de la unidad más supernumerario desplazado basilar mandibular. Se realizó biopsia por escisión de la lesión, lo que confirma el diagnóstico de tumor quístico calcificante asociado con odontoma odontogénico. El paciente se encuentra sin signos de recurrencia, con 2 años de seguimiento, el tratamiento ortodóncico. El conocimiento de las características del tumor odontogénico quístico calcificante, el examen clínico detallado y la solicitud de exámenes complementarios constituyen el fundamento para el diagnóstico certero con la finalidad de ofrecer al paciente el tratamiento más adecuado, que actualmente consiste en la enucleación total de la lesión, obteniéndose un buen pronóstico, con raras recidivas.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[The calcifying cystic odontogenic tumor is a rare lesion, described as benign neoplasm of odontogenic origin, which has variable clinical behavior. The aim of this paper is to present a case of calcifying cystic odontogenic tumor associate to odontoma. This is an 11 year male patient, who was treated at Maxillofacial Surgery Service, Hospital Santo Antônio-OSID/Salvador-BA and who presented intraoral swelling with no pain in the mandibular body region. The imaging examination revealed a well-defined unilocular radiolucent lesion, which extended from the lateral region of the lower left first premolar to the incisor, associated with a radiopaque mass within the unit, displaced supernumerary mandibular basilar. Excisional biopsy of the lesion was performed, and it confirmed the diagnosis of cystic odontogenic tumor associated with odontoma calcifying. At present, the patient is with no signs of recurrence during this two year follow-up orthodontic treatment. Knowledge of the calcifying cystic odontogenic tumor characteristics, detailed clinical examination and additional tests are the basis for accurate diagnosis in order to offer patients the most appropriate treatment, which currently consists of total enucleation of the lesion achieving good prognosis, and rare recurrence.]]></p></abstract>
<kwd-group>
<kwd lng="pt"><![CDATA[tumor odontogênico cístico calcificante]]></kwd>
<kwd lng="pt"><![CDATA[cisto de Gorlin]]></kwd>
<kwd lng="pt"><![CDATA[tumores odontogênicos]]></kwd>
<kwd lng="es"><![CDATA[tumor de quiste odontogénico calcificante]]></kwd>
<kwd lng="es"><![CDATA[quiste de Gorlin]]></kwd>
<kwd lng="es"><![CDATA[tumores odontogénicos]]></kwd>
<kwd lng="en"><![CDATA[calcifying odontogenic cyst tumor]]></kwd>
<kwd lng="en"><![CDATA[Gorlin cyst]]></kwd>
<kwd lng="en"><![CDATA[odontogenic tumors]]></kwd>
</kwd-group>
</article-meta>
</front><body><![CDATA[ <p align="right"><font size="2" face="Verdana, Arial, Helvetica, sans-serif">Rev    Cubana Estomatol. 2014;51(1)</font></p>     <p align="right"><font size="2" face="Verdana, Arial, Helvetica, sans-serif"><B>PRESENTACI&Oacute;N    DE CASO </B></font></p>     <p align="right">&nbsp;</p> <B>     <P>      <P>      <P><font size="3" face="Verdana, Arial, Helvetica, sans-serif">Tumor Odontog&ecirc;nico    C&iacute;stico Calcificante associado a Odontoma </font>  </B>      <p>&nbsp;</p>    <P>      <P><font size="3" face="Verdana, Arial, Helvetica, sans-serif"><b>Tumor qu&iacute;stico    odontog&eacute;nico calcificante asociado con odontoma </b></font>      <P>&nbsp;     ]]></body>
<body><![CDATA[<P>      <P><b><font size="3" face="Verdana, Arial, Helvetica, sans-serif">Calcifying cystic    odontogenic tumour associated with Odontoma </font></b>     <P>&nbsp;     <P>&nbsp;     <P>      <P>      <P>      <P><font size="2" face="Verdana, Arial, Helvetica, sans-serif"><B>Sanyra Lopes    Dias,<SUP>I </SUP> Matheus Alves Pacheco,<SUP>I</SUP> Gabriel Queiroz Vasconcelos    Oliveira,<SUP> I</SUP> Gard&ecirc;nia Matos Paraguass&uacute;,<SUP>I </SUP>    Jean Nunes dos Santos,<SUP>II</SUP> Christiano Sampaio Queiroz<SUP>I</SUP> </B>    </font>     <P>      <P><font size="2" face="Verdana, Arial, Helvetica, sans-serif">I Universidade    Federal da Bahia. (UFBA), Salvador, Bahia-Brasil.    ]]></body>
<body><![CDATA[<br>   </font><font size="2" face="Verdana, Arial, Helvetica, sans-serif">II Universidade    S&atilde;o Paulo, S&atilde;o Paulo, SP-Brasil. </font>     <P>&nbsp;     <P>&nbsp; <hr size="1" noshade>     <P>      <P>      <P>      <P><font size="2" face="Verdana, Arial, Helvetica, sans-serif"><B>RESUMO</B> </font>     <P><font size="2" face="Verdana, Arial, Helvetica, sans-serif">O Tumor Odontog&ecirc;nico    C&iacute;stico Calcificante ou Cisto de Gorlin &eacute; uma les&atilde;o odontog&ecirc;nica    rara, descrita como neoplasia c&iacute;stica benigna de origem odontog&ecirc;nica,    que apresenta comportamento cl&iacute;nico vari&aacute;vel. Sua patog&ecirc;nese    permanece desconhecida, embora comumente seja aceito que se desenvolva a partir    de remanescentes do epit&eacute;lio odontog&ecirc;nico, presentes na da mand&iacute;bula,    maxila e gengiva. O Objetivo deste artigo &eacute; relatar o caso cl&iacute;nico    de tumor qu&iacute;stico odontog&eacute;nico calcificante asociado com odontoma.    Paciente do g&ecirc;nero masculino, 11 anos de idade, que procurou o Servi&ccedil;o    de Cirurgia e Traumatologia Bucomaxilofacial do Hospital Santo Ant&ocirc;nio-OSID/Salvador-BA,    apresentando aumento de volume intrabucal indolor, na regi&atilde;o de corpo    mandibular esquerdo. No exame imaginol&oacute;gico observou-se les&atilde;o    radiol&uacute;cida unilocular, bem delimitada, estendendo-se da regi&atilde;o    de incisivo lateral at&eacute; primeiro pr&eacute;-molar inferior esquerdo,    associado &agrave; massa radiopaca em seu interior al&eacute;m de unidade supranumer&aacute;ria    deslocada para basilar da mand&iacute;bula. Foi realizada a bi&oacute;psia excisional    da les&atilde;o, constatando-se o diagn&oacute;stico de tumor odontog&ecirc;nico    c&iacute;stico calcificante associado &agrave; odontoma. O paciente encontra-se    sem sinais de recidiva, com dois anos de acompanhamento em tratamento ortod&ocirc;ntico.    O conhecimento das caracter&iacute;sticas da les&atilde;o, um exame cl&iacute;nico    detalhado e a solicita&ccedil;&atilde;o de exames complementares s&atilde;o    fundamentais para um diagn&oacute;stico criterioso, com a finalidade de oferecer    ao paciente o tratamento mais adequado, que atualmente consiste na enuclea&ccedil;&atilde;o    total da les&atilde;o, obtendo-se um bom progn&oacute;stico, raramente com relatos    de recidiva. </font>     <P>      <P><font size="2" face="Verdana, Arial, Helvetica, sans-serif"><B>Palavras chave:</B>    tumor Odontog&ecirc;nico C&iacute;stico Calcificante, Cisto de Gorlin, Tumores    odontog&ecirc;nicos.</font>  <hr size="1" noshade>     ]]></body>
<body><![CDATA[<P>      <P><font size="2" face="Verdana, Arial, Helvetica, sans-serif"><B>RESUMEN</B>    </font>     <P>      <P><font size="2" face="Verdana, Arial, Helvetica, sans-serif">El tumor odontog&eacute;nico    qu&iacute;stico calcificante es una lesi&oacute;n rara, descrito como neoplasia    benigna, de origen odontog&eacute;nico, que presenta un comportamiento cl&iacute;nico    variable. El objetivo de este trabajo es presentar el caso cl&iacute;nico de    tumor odontog&eacute;nico qu&iacute;stico calcificante associado a odontoma.    Paciente var&oacute;n, de 11 a&ntilde;os de edad, quien trat&oacute; de Servicio    y Cirug&iacute;a M&aacute;xilofacial, Hospital Santo Ant&ocirc;nio-OSID/Salvador-BA,    y present&oacute; hinchaz&oacute;n sin dolor intraoral en la regi&oacute;n del    cuerpo mandibular. En el examen de im&aacute;genes revelaron una lesi&oacute;n    radiol&uacute;cida unilocular, bien definida, que se extiende desde la regi&oacute;n    del incisivo lateral al primer premolar inferior izquierdo, asociado con una    masa radiopaca dentro de la unidad m&aacute;s supernumerario desplazado basilar    mandibular. Se realiz&oacute; biopsia por escisi&oacute;n de la lesi&oacute;n,    lo que confirma el diagn&oacute;stico de tumor qu&iacute;stico calcificante    asociado con odontoma odontog&eacute;nico. El paciente se encuentra sin signos    de recurrencia, con 2 a&ntilde;os de seguimiento, el tratamiento ortod&oacute;ncico.    El conocimiento de las caracter&iacute;sticas del tumor odontog&eacute;nico    qu&iacute;stico calcificante, el examen cl&iacute;nico detallado y la solicitud    de ex&aacute;menes complementarios constituyen el fundamento para el diagn&oacute;stico    certero con la finalidad de ofrecer al paciente el tratamiento m&aacute;s adecuado,    que actualmente consiste en la enucleaci&oacute;n total de la lesi&oacute;n,    obteni&eacute;ndose un buen pron&oacute;stico, con raras recidivas. </font>      <P>      <P><font size="2" face="Verdana, Arial, Helvetica, sans-serif"><B>Palabras clave</B>:    tumor de quiste odontog&eacute;nico calcificante, quiste de Gorlin, tumores    odontog&eacute;nicos.</font>  <hr size="1" noshade>     <P>      <P>      <P><font size="2" face="Verdana, Arial, Helvetica, sans-serif"><B>ABSTRACT</B>    </font>     <P><font size="2" face="Verdana, Arial, Helvetica, sans-serif">The calcifying    cystic odontogenic tumor is a rare lesion, described as benign neoplasm of odontogenic    origin, which has variable clinical behavior. The aim of this paper is to present    a case of calcifying cystic odontogenic tumor associate to odontoma. This is    an 11 year male patient, who was treated at Maxillofacial Surgery Service, Hospital    Santo Ant&ocirc;nio-OSID/Salvador-BA and who presented intraoral swelling with    no pain in the mandibular body region. The imaging examination revealed a well-defined    unilocular radiolucent lesion, which extended from the lateral region of the    lower left first premolar to the incisor, associated with a radiopaque mass    within the unit, displaced supernumerary mandibular basilar. Excisional biopsy    of the lesion was performed, and it confirmed the diagnosis of cystic odontogenic    tumor associated with odontoma calcifying. At present, the patient is with no    signs of recurrence during this two year follow-up orthodontic treatment. </font><font size="2" face="Verdana, Arial, Helvetica, sans-serif">Knowledge    of the calcifying cystic odontogenic tumor characteristics, detailed clinical    examination and additional tests are the basis for accurate diagnosis in order    to offer patients the most appropriate treatment, which currently consists of    total enucleation of the lesion achieving good prognosis, and rare recurrence.    </font>     ]]></body>
<body><![CDATA[<P><font size="2" face="Verdana, Arial, Helvetica, sans-serif"><B>Keywords: </B>calcifying    odontogenic cyst tumor, Gorlin cyst, odontogenic tumors. </font> <hr size="1" noshade>     <P>&nbsp;     <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">O tumor odontog&ecirc;nico    c&iacute;stico calcificante (TOCC) &eacute; uma les&atilde;o rara representando    menos de 2 % de todos os cistos e tumores odontog&ecirc;nicos.<SUP>1,2</SUP>    Descrito pela primeira vez em 1962 por <I>Gorlin</I>,<SUP>3</SUP> e quase simultaneamente    por <I>Gold</I><SUP>4</SUP> em 1963, o cisto odontog&ecirc;nico calcificante    tem poss&iacute;vel origem do epit&eacute;lio reduzido do &oacute;rg&atilde;o    do esmalte, sendo classificada como uma les&atilde;o odontog&ecirc;nica de desenvolvimento.<SUP>5</SUP>    </font>     <P>      <P><font size="2" face="Verdana, Arial, Helvetica, sans-serif">Em 1971, a Organiza&ccedil;&atilde;o    Mundial de Sa&uacute;de (OMS) definiu o TOCC, &agrave; &eacute;poca descrita    como cisto odontog&ecirc;nico calcificante como uma entidade patol&oacute;gica    distinta, e classificada como les&atilde;o c&iacute;stica n&atilde;o neopl&aacute;sica.<SUP>6</SUP>    Atualmente a OMS define o TOCC como uma neoplasia c&iacute;stica benigna de    origem odontog&ecirc;nica, caracterizado por um epit&eacute;lio semelhante ao    ameloblastoma, com c&eacute;lulas fantasmas que podem calcificar-se.<SUP>5</SUP>    </font>     <P>      ]]></body>
<body><![CDATA[<P><font size="2" face="Verdana, Arial, Helvetica, sans-serif">Desde a identifica&ccedil;&atilde;o    inicial do TOCC em 1962, o mesmo tem sido reconhecido como uma les&atilde;o    central (intra-&oacute;ssea) de ocorr&ecirc;ncia na maxila ou na mand&iacute;bula,    por&eacute;m ocasionalmente pode se manifestar perifericamente (extra-&oacute;sseo).    Quando extra-&oacute;sseos aparecem como tumora&ccedil;&otilde;es locais, e    quando intra-&oacute;sseos, produzem uma expans&atilde;o generalizada no local    da ocorr&ecirc;ncia, de crescimento lento e habitualmente indolor, afetando,    por igual, maxila e mand&iacute;bula, com predile&ccedil;&atilde;o pela regi&atilde;o    anterior e em adultos jovens com uma m&eacute;dia de 33 anos de idade, sem prefer&ecirc;ncias    por sexo.<SUP>7-9</SUP> </font>     <P>      <P><font size="2" face="Verdana, Arial, Helvetica, sans-serif">Radiograficamente,    o cisto intra-&oacute;sseo &eacute; uma les&atilde;o essencialmente destrutiva,    produzindo uma imagem radiol&uacute;cida unilocular ou multilocular que pode    conter &aacute;reas radiopacas irregulares,<SUP>10</SUP> e ocasionalmente essas    les&otilde;es est&atilde;o associadas a dentes n&atilde;o erupcionados.<SUP>11,12</SUP>    As placas corticais de osso s&atilde;o frequentemente finas e expandidas, podendo    se tornar perfuradas pela les&atilde;o que, usualmente, causa deslocamento dent&aacute;rio<SUP>10</SUP>    e reabsor&ccedil;&atilde;o do dente adjacente. As les&otilde;es extra-&oacute;sseas    podem causar eros&atilde;o do osso subjacente.<SUP>9</SUP> </font>     <P>      <P><font size="2" face="Verdana, Arial, Helvetica, sans-serif">Histologicamente,    a les&atilde;o &eacute; caracterizada por uma parede c&iacute;stica fibrosa,    revestida por um epit&eacute;lio odontog&ecirc;nico composto por c&eacute;lulas    basais do tipo colunares ou cub&oacute;ides lembrando ameloblastos. Sobrejacente,    h&aacute; presen&ccedil;a de um tecido lembrando o ret&iacute;culo estrelado    do &oacute;rg&atilde;o do esmalte. Uma caracter&iacute;stica marcante dessa    les&atilde;o &eacute; a presen&ccedil;a de c&eacute;lulas largas, circulares,    sem n&uacute;cleo e levemente eosinof&iacute;licas, denominadas c&eacute;lulas-fantasmas.<SUP>5,6,13</SUP>    Outras caracter&iacute;sticas observadas incluem a calcifica&ccedil;&atilde;o    de c&eacute;lulas-fantasmas e a presen&ccedil;a de dentina displ&aacute;sica    que pode estar localizada perto da camada basal do epit&eacute;lio. Em algumas    inst&acirc;ncias, o cisto est&aacute; associado a uma &aacute;rea mais extensa    de forma&ccedil;&atilde;o de tecido duro dent&aacute;rio, que se assemelha &agrave;quela    de um odontoma composto ou complexo.<SUP>10,14</SUP> </font>     <P>      <P><font size="2" face="Verdana, Arial, Helvetica, sans-serif">O diagn&oacute;stico    &eacute; conclu&iacute;do ap&oacute;s a realiza&ccedil;&atilde;o e avalia&ccedil;&atilde;o    de exames radiogr&aacute;ficos e histopatol&oacute;gicos. O exame de tomografia    computadorizada (TC) &eacute; de grade valia para avaliar a correta extens&atilde;o    da les&atilde;o, j&aacute; que o seu comportamento biol&oacute;gico pode ser    vari&aacute;vel, auxiliando assim a visualiza&ccedil;&atilde;o dos limites da    les&atilde;o e de estruturas anat&ocirc;micas envolvidas, o que facilita o planejamento    do tratamento.<SUP>14</SUP> </font>     <P>      <P><font size="2" face="Verdana, Arial, Helvetica, sans-serif">A maioria dos autores    recomenda a enuclea&ccedil;&atilde;o com curetagem para a variante central e    excis&atilde;o para a variante perif&eacute;rica e neopl&aacute;sica como o    m&eacute;todo de tratamento mais satisfat&oacute;rio.<SUP>12,15</SUP> Entretanto,    casos apresentando recorr&ecirc;ncia t&ecirc;m sido descritos na literatura.<SUP>3</SUP>    </font>     <P>      ]]></body>
<body><![CDATA[<P><font size="2" face="Verdana, Arial, Helvetica, sans-serif">Este trabalho tem    como objetivo relatar um caso cl&iacute;nico de um paciente acometido por tumor    odontog&ecirc;nico c&iacute;stico calcificante, enfatizando aspectos relevantes    para o diagn&oacute;stico e tratamento desta patologia.</font>     <P>&nbsp;     <P>      <P>      <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 g&ecirc;nero    masculino, 11 anos de idade, melanoderma, compareceu ao Servi&ccedil;o de Cirurgia    e Traumatologia Bucomaxilofacial do Hospital Santo Ant&ocirc;nio - Obras Sociais    Irm&atilde; Dulce, queixando-se da presen&ccedil;a de um &quot;caro&ccedil;o&quot;    do rosto. Paciente Asa I, n&atilde;o apresentava sintomatologia dolorosa na    regi&atilde;o afetada. Ao exame f&iacute;sico observou-se aumento de volume    em corpo mandibular do lado esquerdo com abaulamento da cortical &oacute;ssea    vestibular, sem altera&ccedil;&otilde;es da colora&ccedil;&atilde;o da mucosa    da regi&atilde;o, atraso na erup&ccedil;&atilde;o da unidade 3.3 e 34, e forma&ccedil;&atilde;o    de diastema entre as unidades dent&aacute;rias 7.3 e 7.4 (<a href="#f1_13">Fig.    1</a>). </font>     <P align="center"><img src="/img/revistas/est/v51n1/f0113114.jpg" width="325" height="435"><a name="f1_13"></a>     <P><font size="2" face="Verdana, Arial, Helvetica, sans-serif">Radiograficamente    observou-se les&atilde;o radiol&uacute;cida unilocular, bem delimitada, estendendo-se    da regi&atilde;o de incisivo lateral at&eacute; primeiro pr&eacute;-molar inferior    esquerdo, associado &agrave; massa radiopaca em seu interior al&eacute;m de    unidade supranumer&aacute;ria deslocada para basilar da mand&iacute;bula (<a href="#f2_13">Fig.    2</a>). A hip&oacute;tese diagn&oacute;stica, fundamentada nos achados cl&iacute;nicos    e radiogr&aacute;ficos foi de Cisto Odontog&ecirc;nico Calcificante.</font>     ]]></body>
<body><![CDATA[<P align="center"><img src="/img/revistas/est/v51n1/f0213114.jpg" width="460" height="342"><a name="f2_13"></a>      <P>      <P><font size="2" face="Verdana, Arial, Helvetica, sans-serif">Com base na suspeita    diagn&oacute;stica formulou-se o plano de tratamento que consistiu de bi&oacute;psia    excisional, com enuclea&ccedil;&atilde;o e curetagem de toda les&atilde;o e    ex&eacute;rese do dente supranumer&aacute;rio. No primeiro momento cir&uacute;rgico    procedeu-se &agrave; pun&ccedil;&atilde;o aspirativa intralesional que se mostrou    positiva para l&iacute;quido citrino. O aspecto transoperat&oacute;rio da les&atilde;o    foi sugestivo de uma les&atilde;o c&iacute;stica benigna, associada &agrave;    massa calcificada irregular e dente supranumer&aacute;rio adjacente. O osso    adjacente, ap&oacute;s a enuclea&ccedil;&atilde;o e curetagem da les&atilde;o    apresentava-se sadio (<a href="#f3_13">Fig. 3</a>). </font>     <P align="center"><img src="/img/revistas/est/v51n1/f0313114.jpg" width="286" height="312"><a name="f3_13"></a>     <P><font size="2" face="Verdana, Arial, Helvetica, sans-serif">A pe&ccedil;a cir&uacute;rgica,    medindo aproximadamente 03 cent&iacute;metros no seu maior di&acirc;metro e    contendo calcifica&ccedil;&otilde;es e tecido dent&aacute;rio do seu interior,    foi encaminhada ao Servi&ccedil;o de Patologia Bucal da Faculdade de Odontologia    da Universidade Federal da Bahia UFBA. Ao exame microsc&oacute;pico, observou-se    les&atilde;o c&iacute;stica revestida por c&eacute;lulas basais colunares permeadas    por c&eacute;lulas fantasmas. O l&uacute;men c&iacute;stico encontrava-se com    massa descalcificada caracterizada por tecidos dent&aacute;rios distribu&iacute;dos    ao acaso.</font>     <P>      <P><font size="2" face="Verdana, Arial, Helvetica, sans-serif">No acompanhamento    de 32 meses p&oacute;s-operat&oacute;rio, o paciente n&atilde;o apresentou queixas    ou sinais de recidiva. No momento, o paciente encontra-se sob tratamento ortod&ocirc;ntico    para corre&ccedil;&atilde;o e alinhamento das unidades dent&aacute;rias inferiores.    </font>      <P>&nbsp;     <P>      <P><font size="3" face="Verdana, Arial, Helvetica, sans-serif"><B>DISCUSS&Atilde;O</B>    </font>     ]]></body>
<body><![CDATA[<P>      <P><font size="2" face="Verdana, Arial, Helvetica, sans-serif">O tumor Odontog&ecirc;nico    C&iacute;stico Calcificante &eacute; uma les&atilde;o incomum e mostra extrema    diversidade em suas caracter&iacute;sticas clinicas e histol&oacute;gicas bem    como em seu comportamento biol&oacute;gico. Por causa dessa diversidade, tem    havido alguma confus&atilde;o e discord&acirc;ncia com rela&ccedil;&atilde;o    &agrave; terminologia e classifica&ccedil;&atilde;o.<SUP>10</SUP> </font>     <P>      <P><font size="2" face="Verdana, Arial, Helvetica, sans-serif">Quanto a sua origem,    v&aacute;rias s&atilde;o propostas, a citar: do epit&eacute;lio reduzido do    esmalte,<SUP>4</SUP> ou mesmo a partir de ameloblastos bem diferenciados,<SUP>16</SUP>    ou ainda por epit&eacute;lio odontog&ecirc;nico ativo.<SUP>17</SUP> </font>     <P>      <P><font size="2" face="Verdana, Arial, Helvetica, sans-serif">Conhecido tamb&eacute;m    como cisto de Gorlin, cisto odontog&ecirc;nico calcificante e ceratinizante    e tumor odontog&ecirc;nico de c&eacute;lulas fantasmas, a OMS definiu o TOCC,    como uma les&atilde;o de natureza neopl&aacute;sica c&iacute;stica benigna,<SUP>5</SUP>    caracterizada pela presen&ccedil;a de um n&uacute;mero vari&aacute;vel de c&eacute;lulas    fantasmas no componente epitelial. A origem destas c&eacute;lulas &eacute; muito    discutida entre os autores. Alguns acreditam serem c&eacute;lulas do epit&eacute;lio    em necrose por coagula&ccedil;&atilde;o,<SUP>18</SUP> produto da ceratiniza&ccedil;&atilde;o    aberrante da camada epitelial,<SUP>9</SUP> produto da expuls&atilde;o da matriz    de esmalte do epit&eacute;lio odontog&ecirc;nico.<SUP>19</SUP> </font>     <P>      <P><font size="2" face="Verdana, Arial, Helvetica, sans-serif">A revis&atilde;o    de literatura mostra que essa les&atilde;o ocorre igualmente em homens e mulheres,<SUP>13</SUP>    surgindo na maioria dos casos por volta dos 33 anos de idade,<SUP>15</SUP> e    parece ser mais prevalente na mand&iacute;bula.<SUP>16</SUP> O caso cl&iacute;nico    por n&oacute;s relatado acomete a regi&atilde;o anterior de mand&iacute;bula,    estando de acordo com a literatura, no entanto, acomete uma crian&ccedil;a de    11 anos, idade pouco descrita na literatura no aparecimento desta patologia.    </font>     <P>      <P><font size="2" face="Verdana, Arial, Helvetica, sans-serif"><I>Buchner</I><SUP>7</SUP>    em 1991 reviu 215 casos de TOCC central e destes, 62 % apresentaram expans&atilde;o    da t&aacute;bua &oacute;ssea e, 4,5 % perfura&ccedil;&atilde;o da mesma. A les&atilde;o    &eacute; descrita como uma &aacute;rea radiol&uacute;cida unilocular ou multilocular,    bem delimitada, podendo causar expans&atilde;o e perfura&ccedil;&atilde;o da    t&aacute;bua &oacute;ssea, al&eacute;m do deslocamento dental.<SUP>3,14</SUP>    Estes resultados corroboram com o presente trabalho, tratando-se de uma les&atilde;o    radiol&uacute;cida, unilocular, com expans&atilde;o da cortical vestibular e    com deslocamento dental. </font>     ]]></body>
<body><![CDATA[<P>      <P><font size="2" face="Verdana, Arial, Helvetica, sans-serif">Radiograficamente,    a maioria das les&otilde;es presentes revelam uma radiolucidez unilocular, com    margens bem definidas.<SUP>8,14</SUP> Em uma pequena propor&ccedil;&atilde;o    de casos, entre 5 % a 13 %, o aspecto multilocular tem sido notado, sendo observado    no caso exposto acima concord&acirc;ncia com a literatura, pois mostrou ser    unilocular com margens bem definidas. Diversos relatos t&ecirc;m mostrado a    incid&ecirc;ncia de les&otilde;es em associa&ccedil;&atilde;o com dentes n&atilde;o    erupcionados, variando de 13 % a 50 %, enquanto outros autores t&ecirc;m mostrado    uma alta incid&ecirc;ncia de reabsor&ccedil;&atilde;o radicular de dentes adjacentes    &agrave; les&atilde;o.<SUP>8,11,13</SUP> Com base nos trabalhos publicados sobre    TOCC, foi observado que o caso acima n&atilde;o se comportou como a maioria    no tocante &agrave; reabsor&ccedil;&atilde;o radicular, no entanto, encontra-se    dentro do esperado quanto a exist&ecirc;ncia da unidade supranumer&aacute;ria    inclusa associada &agrave; les&atilde;o. </font>     <P>      <P><font size="2" face="Verdana, Arial, Helvetica, sans-serif">Da mesma forma    como o TOCC, o tumor odontog&ecirc;nico epitelial calcificante (TOEC), o tumor    odontog&ecirc;nico adenomatoide (TOA) e o fibro-odontoma ameloblastico (FOA),    radiograficamente, mostram-se como les&otilde;es radiol&uacute;cidas que comumente    apresentam focos radiopacos no seu interior. Por&eacute;m, diferente do TOCC    que ocorre com mais freq&uuml;&ecirc;ncia na regi&atilde;o de incisivos e caninos,    o TOEC exibe predile&ccedil;&atilde;o pela regi&atilde;o dos terceiros molares    e o FOA pela regi&atilde;o de pr&eacute;-molares e molares de pacientes mais    jovens.<SUP>2,16</SUP> O TOA acomete pacientes mais jovens, com uma m&eacute;dia    de 16,5 anos e afeta duas vezes mais as mulheres que os homens. O diagn&oacute;stico    final entre essas les&otilde;es &eacute; sempre realizado ap&oacute;s o exame    histopatol&oacute;gico.<SUP>16</SUP> </font>      <P>      <P><font size="2" face="Verdana, Arial, Helvetica, sans-serif">H&aacute; um consenso    entre os autores com rela&ccedil;&atilde;o ao tratamento preconizado para o    TOCC, o qual seria a enuclea&ccedil;&atilde;o cir&uacute;rgica, apresentando    um &iacute;ndice de recidiva muito baixa.<SUP>7,10,12</SUP> No entanto, se o    TOCC estiver associado a outra patologia, o tratamento deve levar em considera&ccedil;&atilde;o    a presen&ccedil;a da les&atilde;o associada,<SUP>12,18,20</SUP> como no caso    em quest&atilde;o no qual procedeu-se a enuclea&ccedil;&atilde;o conjunta do    odontoma e ex&eacute;rese do dente supranumer&aacute;rio incluso, encontrando-se    o paciente atualmente no 25&#186; m&ecirc;s de acompanhamento p&oacute;s-operat&oacute;rio    sem sinais cl&iacute;nicos e radiogr&aacute;ficos de recidiva. No entanto, h&aacute;    relatos de casos na literatura em que houve recorr&ecirc;ncia das les&otilde;es,    inclusive apresentando casos de transforma&ccedil;&atilde;o em les&otilde;es    malignas, o que ressalta a import&acirc;ncia do acompanhamento dos pacientes.<SUP>21-23</SUP>    </font>     <P>      <P><font size="2" face="Verdana, Arial, Helvetica, sans-serif">Em conclus&atilde;o,    o Cisto de Gorlin &eacute; uma entidade patol&oacute;gica distinta e incomum,    com comportamento variado do ponto de vista cl&iacute;nico, radiogr&aacute;fico    e histopatol&oacute;gico. O conhecimento das caracter&iacute;sticas da les&atilde;o,    um exame cl&iacute;nico detalhado e a solicita&ccedil;&atilde;o de exames complementares    s&atilde;o fundamentais para um diagn&oacute;stico criterioso, com a finalidade    de oferecer ao paciente o tratamento mais adequado, que atualmente consiste    na enuclea&ccedil;&atilde;o total da les&atilde;o, obtendo-se um bom progn&oacute;stico,    raramente com relatos de recidiva. </font>     <P>&nbsp;     <P>      ]]></body>
<body><![CDATA[<P><font size="3" face="Verdana, Arial, Helvetica, sans-serif"><B>REFER&Ecirc;NCIAS    BIBLIOGR&Aacute;FICAS </B> </font>     <P>      <P>      <!-- ref --><P><font size="2" face="Verdana, Arial, Helvetica, sans-serif">1. Sakai VT, Filho    CE, Moretti AB, Pereira AA, Hanemann JA, Duque JA. Conservative surgical treatment    ofan aggressive calcifying cystic odontogenic maxillary tumor in the young permanent    dentition. Pediatr Dent. 2011;33(3):261.     </font>     <P>      <!-- ref --><P><font size="2" face="Verdana, Arial, Helvetica, sans-serif">2. Sonone A, Sabane    VS, Desai R. Calcifying Ghost cell odontogenic cyst: Report of a case and review    of literature. Case Rep in Dent. 2011;2011:1-5.     </font>     <P>      <!-- ref --><P><font size="2" face="Verdana, Arial, Helvetica, sans-serif">3. Gorlin RJ. et    al. The calcifying odontogenic cyst. A possible analogue of the cutaneous calcifying    epithelioma of Malherbe. Oral Surg. 1962;15:1235-43.     </font>     <P>      <!-- ref --><P><font size="2" face="Verdana, Arial, Helvetica, sans-serif">4. Gold L. The    keratinizing and calcifying odontogenic cyst. Oral Surg Oral Med, Oral Pathol.    1963;16(12):1414-24.     </font>     <P>      <!-- ref --><P><font size="2" face="Verdana, Arial, Helvetica, sans-serif">5. Barnes L, Eveson    JW, Reichart PA, Sidransky D, eds. World Health Organization classification    of tumours: pathology and genetics of tumours of the head and neck. Lyon: IARC;    2005.     </font>     <P>      <!-- ref --><P><font size="2" face="Verdana, Arial, Helvetica, sans-serif">6. Kramer IRH,    Pindborg JJ, Shear M. Histological typing of odontogenic tumours. World Health    Organization (WHO) - Internacional Histological Classification of Tumours, 2&#176;    ed. Berlin; 1971.     </font>     ]]></body>
<body><![CDATA[<P>      <!-- ref --><P><font size="2" face="Verdana, Arial, Helvetica, sans-serif">7. Buchner A. The    central (intraosseous) calcifying odontogenic cyst: an analysis of 215 cases.    J Oral Maxillofac Surg. 1991;49 (4):330-9.     </font>     <P>      <!-- ref --><P><font size="2" face="Verdana, Arial, Helvetica, sans-serif">8. Moen K, Lybak    S, Jonsson HN, Seland H, St&oslash;rksen K, Johannessen AC,<B> </B>&#160;et    al. Orbital Reconstruction After Resection of Giant Calcifying Cystic Odontogenic    Tumor of Mid-Face. J Oral Maxillofac Surg. 2012;70(1):233-41.     </font>     <P>      <!-- ref --><P><font size="2" face="Verdana, Arial, Helvetica, sans-serif">9. Resende RG,    Brito JAR, Souza LN, Gomez RS, Mesquita RA. Peripheral Calcifying Odontogenic    Cyst: A Case Report and Review of the Literature. Head and Neck Pathol.2011;5(1):76-80.        </font>     <P>      ]]></body>
<body><![CDATA[<!-- ref --><P><font size="2" face="Verdana, Arial, Helvetica, sans-serif">10. Moleri AB,    Moreira LC, Carvalho JJ. Comparative morphology of 7 new cases of calcifying    odontogenic cyst. J Oral Maxillofac Surg. 2002;60 (6):689-96.     </font>     <P>      <!-- ref --><P><font size="2" face="Verdana, Arial, Helvetica, sans-serif">11. Pereira CM,    Carneiro DS, Pofahl HBC, Gasparetto PF, Silva Junior AF. Calcifying cystic odontogenic    tumor radiographically mimicking a lateral periodontal cyst: clinical case report.    J Health Sci Inst. 2010;28(4):315-7.     </font>     <P>      <!-- ref --><P><font size="2" face="Verdana, Arial, Helvetica, sans-serif">12. Poleti ML,    Duarte BG, Lara VS, Farias PF, Rubira-Bullen IF, Gon&ccedil;ales ES. Odontoma    associated with calcifying cystic odontogenic tumor in deciduous dentition:    case report. Oral Maxillofac Surg. 2013;17(1):77-80.     </font>     <P>      <!-- ref --><P><font size="2" face="Verdana, Arial, Helvetica, sans-serif">13. Kler S , Palaskar    S , Shetty VP , Bhushan A. Intraosseous calcifying cystic odontogenic tumor.    J Oral Maxillofac Pathol. 2009 Jan;13(1):27-9.     </font>     <P>      <!-- ref --><P><font size="2" face="Verdana, Arial, Helvetica, sans-serif">14. Chindasombatjaroen    J, Poomsawat S, Klongnoi B. Calcifying cystic odontogenic tumor associated with    other lesions: case report with cone-beam computed tomography findings. Oral    Surg Oral Med Oral Pathol Oral Radiol. 2012;113(3):414-20.     </font>     <P>      <!-- ref --><P><font size="2" face="Verdana, Arial, Helvetica, sans-serif">15. Cury SE, Cury    SN, Cury M , Calderoni A , Fajardo VD, Carvalho MR, Luderer LA. Calcifying Cystic    Odontogenic Tumor: Case Report . Webmed Central ORAL MEDICINE. 2011;2(12).     </font>     <P>      <!-- ref --><P><font size="2" face="Verdana, Arial, Helvetica, sans-serif">16. Medeiros PB,    Avelar RL, de Oliveira Neto PJ, Pita Neto IC, Andrade ESS. Cisto de Gorlin:    relato de caso e revis&atilde;o de literatura. Rev. Cir. Traumatol. Buco-Maxilo-Fac.    2007;7(1):59-64.     </font>     ]]></body>
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<body><![CDATA[<!-- ref --><P><font size="2" face="Verdana, Arial, Helvetica, sans-serif">20. Basile JR,    Klene C, Lin YL. Calcifying odontogenic cyst with odontogenic keratocyst: a    case report and review of the literature. Oral Surg Oral Med Oral Pathol Oral    Radiol Endod. 2010;109(4):e40-e45.     </font>     <P>      <!-- ref --><P><font size="2" face="Verdana, Arial, Helvetica, sans-serif">21. Habibi A, Saghravanian    N, Salehinejad J, Jafarzadeh H. Thirty years clinicopathological study of 60    calcifying cystic odontogenic tumors in Iranian population. J Contemp Dent Pract.    2011 May 1;12(3):171-3.     </font>     <P>      <!-- ref --><P><font size="2" face="Verdana, Arial, Helvetica, sans-serif">22. Arashiyama    T, Kodama Y, Kobayashi T, Hoshina H, Takagi R, Hayashi T, et al. Ghost cell    odontogenic carcinoma arising in the background of a benign calcifying cystic    odontogenic tumor of the mandible. Oral Surg Oral Med Oral Pathol Oral Radiol    Oral Surg Oral Med Oral Pathol Oral Radiol.&#160;2012;114(3):35-40.     </font>     <P>      <!-- ref --><P><font size="2" face="Verdana, Arial, Helvetica, sans-serif">23. Motosugi U,    Ogawa I, Yoda T, Abe T, Sugasawa M, Murata S, et al. Ghost cell odontogenic    carcinoma arising in calcifying odontogenic cyst. Ann Diagn Pathol. 2009 Dec;13(6):394-7.        </font>     <P>&nbsp;     <P>&nbsp;     <P>      <P><font size="2" face="Verdana, Arial, Helvetica, sans-serif">Recibido: 5 de    septiembre de 2012.    <br>   </font><font size="2" face="Verdana, Arial, Helvetica, sans-serif">Aprobado:    13 de julio de 2013. </font>     <P>&nbsp;     <P>&nbsp;     <P>      <P>      ]]></body>
<body><![CDATA[<P><font size="2" face="Verdana, Arial, Helvetica, sans-serif"><i>Sanyra Lopes    Dias</i>. Universidade Federal da Bahia (UFBA), Salvador, Bahia-Brasil. Avenida    Ara&uacute;jo Pinho, 72, bairro canela, Salvador, Bahia-Brasil. CEP- 40110-912.    E-mail: <a href="mailto:sanyrald@hotmail.com">sanyrald@hotmail.com</a></font>      ]]></body><back>
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