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|Type:||Artigo de periódico|
|Title:||Calcifying epithelial odontogenic tumor (CEOT): a clinicopathologic and immunohistochemical study and comparison with dental follicles containing CEOT-like areas|
de Almeida, OP
|Abstract:||Objective. To describe the clinicopathologic, immunohistochemical, and scanning electron microscopic features of 19 cases of calcifying epithelial odontogenic tumor (CEOT) in comparison to 4 cases of dental follicles containing CEOT-like areas (DF-CEOT). Study Design. A collaborative Latin American retrospective study. Results. CEOT and DF-CEOT showed a slight predilection for females, mostly affecting the posterior mandible. CEOTs were classified as epithelium-rich (8 cases), amyloid-rich (4), and calcification-rich (3), and 4 cases showed similar proportion of the 3 components. DF-CEOTs contained odontogenic epithelium, amyloid, calcification, and clear cells. Epithelial cells were positive for cytokeratins CK5 and CK19, E-cadherin, and syndecan 1 (CD138), and focally for amyloid A. In CEOT, amyloid was positive for CD138 and amyloid A, and calcification for CK5, CD138, and amyloid A. In DF-CEOT, calcification was positive for amyloid A. CEOT showed higher Ki-67 protein and minichromosome maintenance complex component 2 (MCM-2) labeling indices than did DF-CEOT. In scanning electron microscopy, CEOT calcified material resembled bone in the 3 cases classified as calcification-rich. Conclusions. CEOT and DF-CEOT showed histomorphologic and immunohistochemical similarities, and the histogenetic significance of these features should be further studied.|
|Editor:||Elsevier Science Inc|
|Citation:||Oral Surgery Oral Medicine Oral Pathology Oral Radiology. Elsevier Science Inc, v. 116, n. 6, n. 759, n. 768, 2013.|
|Appears in Collections:||Unicamp - Artigos e Outros Documentos|
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