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Previous issue date: 2013-10-09 / The proper management of breast phyllodes tumors (PTs) remains challenging, due to the difficulty of the correct preoperative diagnosis. The aim of this study was to evaluate the usefulness of the Ki-67, CD10, CD34, p53, CD117 and the number of mast cells for the differential diagnosis between benign PTs and cellular fibroadenomas (CFs), and also at the
grading of PTs. 51 primary PTs and 14 FCs were examined by immunohistochemistry (IH). Through the evaluation of the expression of CD117, greater epithelial expression was found at the FCs and an increased number of mast cells in benign TFs. The stromal expression of the Ki-67, CD10, CD34 and p53 showed relevance to the grading of PTs. / O manejo adequado dos tumores filóides (TFs) mamários continua desafiador, devido à dificuldade do diagnóstico pré-operatório correto. O objetivo deste estudo foi avaliar a utilidade do Ki-67, do CD34, do CD10, do CD117, da p53 e do número de mastócitos no diagnóstico diferencial entre os TFs benignos e fibroadenomas celulares (FCs), bem como na graduação dos TFs. Foram examinados 51 TFs primários e 14 FCs por imunohistoquímica (IH). Na marcação pelo CD117, houve maior expressão epitelial nos FCs e maior número de mastócitos nos TFs benignos. A expressão estromal do Ki-67, da p53, do CD10 e CD34 mostrou-se significante na graduação dosTFs.
| Identifer | oai:union.ndltd.org:IBICT/oai:repositorio.bc.ufg.br:tede/3229 |
| Date | 09 October 2013 |
| Creators | Vilela, Maria Helena Tavares |
| Contributors | Moreira, Marise Amaral Rebouças, Moreira, Marise Amaral Rebouças, Paulinelli, Régis Resende, Deus, José Miguel, Finotti, Marta Curado Carvalho Franco |
| Publisher | Universidade Federal de Goiás, Programa de Pós-graduação em Ciências da Saúde (FM), UFG, Brasil, Faculdade de Medicina - FM (RG) |
| Source Sets | IBICT Brazilian ETDs |
| Language | Portuguese |
| Detected Language | English |
| Type | info:eu-repo/semantics/publishedVersion, info:eu-repo/semantics/masterThesis |
| Format | application/pdf |
| Source | reponame:Biblioteca Digital de Teses e Dissertações da UFG, instname:Universidade Federal de Goiás, instacron:UFG |
| Rights | http://creativecommons.org/licenses/by-nc-nd/4.0/, info:eu-repo/semantics/openAccess |
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