The Onset of a Peripheral Ameloblastoma
Identifieur interne : 001B68 ( Pmc/Curation ); précédent : 001B67; suivant : 001B69The Onset of a Peripheral Ameloblastoma
Auteurs : Kellen Cristine Tjioe [Brésil] ; José Humberto Damante [Brésil] ; Denise Tostes OliveiraSource :
- Case Reports in Oncological Medicine [ 2090-6706 ] ; 2012.
Abstract
Incipient odontogenic tumors often display intermediate features between two or more lesions leading to diagnosis dilemma. We report the onset of a peripheral ameloblastoma fortuitously found subjacent to a nondysplastic leukoplakia in the region of missing 38 teeth of a 52-year-old man. The aim of this paper is the discussion of the microscopical features observed in the case reported which allowed the establishment of the final diagnosis of an early peripheral ameloblastoma.
Url:
DOI: 10.1155/2012/729467
PubMed: 22666615
PubMed Central: 3362824
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<author><name sortKey="Tjioe, Kellen Cristine" sort="Tjioe, Kellen Cristine" uniqKey="Tjioe K" first="Kellen Cristine" last="Tjioe">Kellen Cristine Tjioe</name>
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<author><name sortKey="Damante, Jose Humberto" sort="Damante, Jose Humberto" uniqKey="Damante J" first="José Humberto" last="Damante">José Humberto Damante</name>
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<front><div type="abstract" xml:lang="en"><p>Incipient odontogenic tumors often display intermediate features between two or more lesions leading to diagnosis dilemma. We report the onset of a peripheral ameloblastoma fortuitously found subjacent to a nondysplastic leukoplakia in the region of missing 38 teeth of a 52-year-old man. The aim of this paper is the discussion of the microscopical features observed in the case reported which allowed the establishment of the final diagnosis of an early peripheral ameloblastoma.</p>
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<author><name sortKey="Yamada, H" uniqKey="Yamada H">H Yamada</name>
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<biblStruct><analytic><author><name sortKey="Gardner, Dg" uniqKey="Gardner D">DG Gardner</name>
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<author><name sortKey="Heikinheimo, K" uniqKey="Heikinheimo K">K Heikinheimo</name>
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<author><name sortKey="Shear, M" uniqKey="Shear M">M Shear</name>
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<author><name sortKey="Philipsen, Hp" uniqKey="Philipsen H">HP Philipsen</name>
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<front><journal-meta><journal-id journal-id-type="nlm-ta">Case Rep Oncol Med</journal-id>
<journal-id journal-id-type="iso-abbrev">Case Rep Oncol Med</journal-id>
<journal-id journal-id-type="publisher-id">CRIM.ONCMED</journal-id>
<journal-title-group><journal-title>Case Reports in Oncological Medicine</journal-title>
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<issn pub-type="ppub">2090-6706</issn>
<issn pub-type="epub">2090-6714</issn>
<publisher><publisher-name>Hindawi Publishing Corporation</publisher-name>
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<article-id pub-id-type="pmc">3362824</article-id>
<article-id pub-id-type="doi">10.1155/2012/729467</article-id>
<article-categories><subj-group subj-group-type="heading"><subject>Case Report</subject>
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<title-group><article-title>The Onset of a Peripheral Ameloblastoma</article-title>
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<contrib-group><contrib contrib-type="author"><name><surname>Tjioe</surname>
<given-names>Kellen Cristine</given-names>
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<xref ref-type="aff" rid="I1"><sup>1</sup>
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<contrib contrib-type="author"><name><surname>Damante</surname>
<given-names>José Humberto</given-names>
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<xref ref-type="aff" rid="I1"><sup>1</sup>
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<contrib contrib-type="author"><name><surname>Oliveira</surname>
<given-names>Denise Tostes</given-names>
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<xref ref-type="aff" rid="I2"><sup>2, 3</sup>
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<xref ref-type="aff" rid="I3"></xref>
<xref ref-type="corresp" rid="cor1">*</xref>
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<aff id="I1"><sup>1</sup>
Department of Stomatology, Bauru School of Dentistry, University of São Paulo, Bauru, SP, Brazil</aff>
<aff id="I2"><sup>2</sup>
Area of Pathology, Department of Stomatology, Bauru School of Dentistry, University of São Paulo, Bauru, SP, Brazil</aff>
<aff id="I3"><sup>3</sup>
Alameda Octávio Pinheiro Brisolla, 9-75, 17012-901 Bauru, SP, Brazil</aff>
<author-notes><corresp id="cor1">*Denise Tostes Oliveira: <email>denisetostes@usp.br</email>
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<fn fn-type="other"><p>Academic Editors: Y.-J. Chen, E. Itakura, and C. Mignogna</p>
</fn>
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<pub-date pub-type="ppub"><year>2012</year>
</pub-date>
<pub-date pub-type="epub"><day>17</day>
<month>5</month>
<year>2012</year>
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<volume>2012</volume>
<elocation-id>729467</elocation-id>
<history><date date-type="received"><day>7</day>
<month>2</month>
<year>2012</year>
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<date date-type="accepted"><day>7</day>
<month>3</month>
<year>2012</year>
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<permissions><copyright-statement>Copyright © 2012 Kellen Cristine Tjioe et al.</copyright-statement>
<copyright-year>2012</copyright-year>
<license xlink:href="https://creativecommons.org/licenses/by/3.0/"><license-p>This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.</license-p>
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<abstract><p>Incipient odontogenic tumors often display intermediate features between two or more lesions leading to diagnosis dilemma. We report the onset of a peripheral ameloblastoma fortuitously found subjacent to a nondysplastic leukoplakia in the region of missing 38 teeth of a 52-year-old man. The aim of this paper is the discussion of the microscopical features observed in the case reported which allowed the establishment of the final diagnosis of an early peripheral ameloblastoma.</p>
</abstract>
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</front>
<floats-group><fig id="fig1" position="float"><label>Figure 1</label>
<caption><p>Panoramic radiographs of the patient. (a) Taken at the first visit. No bone alterations can be seen in the area of the lesion; (b) Nine-year follow-up: no change worthy of note.</p>
</caption>
<graphic xlink:href="CRIM.ONCMED2012-729467.001"></graphic>
</fig>
<fig id="fig2" position="float"><label>Figure 2</label>
<caption><p>(a) Nondysplastic hyperkeratotic oral epithelium (magnified in the box, H&E, 10x) and the submucous odontogenic epithelial cell islands (H&E, 2,5x); (b) Less mature odontogenic island with vacuolated oval to polyhedric cells (H&E, 40x); (c) ameloblastomatous nest composed by peripheral palisading columnar and central polyhedric cells (H&E, 20x); (d) budding projection in an ameloblastomatous island (circle) (H&E, 20x).</p>
</caption>
<graphic xlink:href="CRIM.ONCMED2012-729467.002"></graphic>
</fig>
<fig id="fig3" position="float"><label>Figure 3</label>
<caption><p>(a) Cystic formations in an ameloblastomatous nest (H&E, 20x); (b) squamous metaplasia seen in an ameloblastomatous nest (H&E, 20x). (c)Stroma surrounding the odontogenic epithelial islands with a more fibrous arrangement than that outer connective tissue (H&E, 10x).</p>
</caption>
<graphic xlink:href="CRIM.ONCMED2012-729467.003"></graphic>
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