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Chromophobe Renal Cell Carcinoma: Some Morphologic and Differential Diagnostic Considerations

 

作者: Satish Tickoo,  

 

期刊: Pathology Case Reviews  (OVID Available online 2000)
卷期: Volume 5, issue 2  

页码: 111-115

 

ISSN:1082-9784

 

年代: 2000

 

出版商: OVID

 

数据来源: OVID

 

摘要:

&NA;The recognition of chromophobe renal cell carcinoma (RCC) as a distinct pathologic entity less than two decades ago has been greatly instrumental in the current classification of renal epithelial neoplasms. The validity of this pathologic categorization stands confirmed by genetics and the clinical behavior of most tumor groups. Therefore, proper separation of these distinct clinicopathologic entities is essential. Chromophobe RCC may show some morphologic features that overlap with renal oncocytoma and conventional (clear cell) RCC. However, close attention to light microscopic features, in particular the cytoplasmic and nuclear characteristics, enables proper classification in the vast majority of the cases. Ancillary studies, including colloidal iron staining and electron microscopy, only rarely are needed for accurate categorization. This article reviews the pathologic features that are helpful for a proper recognition of chromophobe RCC and the characteristics that distinguish it from its mimics.

 

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