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Indian J Pathol Microbiol ; 2012 Apr-Jun 55(2): 175-179
Artigo em Inglês | IMSEAR | ID: sea-142216

RESUMO

Introduction : HER2/neu gene status in breast cancers can be evaluated by targeting protein and gene - immunohistochemistry (IHC) and fluorescence in-situ hybridization (FISH). Recent studies have shown chromogenic in-situ hybridization (CISH) as a relatively cheaper alternative. Materials and Methods : Forty-three nonconsecutive, randomly selected primary invasive breast cancer cases were evaluated for c-erbB-2 (HER2 protein) by IHC and gene amplification by FISH and CISH. Results of each of the same were compared. Results : CISH showed approximately 90% and 100% concordance for IHC negative and positive cases, respectively; while approximately 94.4% and 91% concordance with FISH amplified and non-amplified cases, respectively. Conclusion : This study showed feasibility of incorporation of CISH as a low cost option in routine management of breast carcinoma in the Indian setting. Secondly, reconfirmation of IHC negative and positive cases can be done by CISH.


Assuntos
Neoplasias da Mama/diagnóstico , Neoplasias da Mama/patologia , Feminino , Humanos , Imuno-Histoquímica/economia , Imuno-Histoquímica/métodos , Hibridização In Situ/economia , Hibridização In Situ/métodos , Índia , Técnicas de Diagnóstico Molecular/economia , Técnicas de Diagnóstico Molecular/métodos , Patologia/economia , Patologia/métodos , Receptor ErbB-2/biossíntese
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