Peyman Mohammadi Torbati 
1*1 Department of Pathology, Shahid Beheshti University of Medical Sciences, Tehran, Iran
        
 
        
        *Corresponding Author: *Corresponding author: Dr. Peyman Mohammadi Torbati, Department of Pathology, Shahid Beheshti University of Medical Sciences, Tehran, Iran., Email: 
p2000torbati@yahoo.com
         
        
	
        
        
Abstract
            Implication for health policy/practice/research/medical education:Oxford classification system was based on actual clinical data, international collaboration, and validation of the reproducibility of defining pathologic lesions. The strongest pathologic predictor of clinical outcome in IgA nephropathy is the extent of tubular atrophy and interstitial fibrosis.