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July 23, 2020

Twitter Poll (July 22, 2020)

Polyomavirus Nephropathy, Banff Class 3, Twitter Poll, Arkana Laboratories

ANSWER: C

The answer is C, Polyomavirus Nephropathy, Banff Class 3. The Banff Working Group Classification was created by Nickeleit et al. to provide a classification scheme to aid communication, better standardize reporting of polyomavirus nephropathy, and provide a way for better comparative analysis of cases going forward. The classification is broken into three classes, Banff Class 1-3. This case highlights an example of a Polyomavirus Nephropathy, Banff Class 3 with a pvl score of 3 and ci (fibrosis) score of 2. Based on this score, the findings of the Banff working group showed that approximately 50% of these patients would develop graft failure at 24 months. 

 

Reference:

Nickeleit V et al. The Banff Working Group Classification of Definitive Polyomavirus Nephropathy: Morphologic Definitions and Clinical Correlations. J Am Soc Nephrol  (2018) 29: 680-695.

Tags: polyomavirus, Banff, pvl score, ci score, transplant, PVN