Papillary renal cell carcinoma (pathology)

Discussion:

The features are consistent with a papillary renal cell carcinoma.

Papillary RCC is further subclassified on morphological and prognostic grounds into type I and type II; this is a good example of a type II papillary RCC with cores lined by larger lining cells with abundant eosinophilic cytoplasm, arranged in a 'pseudostratified' pattern (in areas the cells appear to be several layers thick, but are infact all still attached to the basement membrane).

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