. Author manuscript; available in PMC: 2017 Mar 1.

Published in final edited form as: Kidney Int. 2015 Dec 23;89(3):612–624. doi: 10.1016/j.kint.2015.11.017

Table III.

Macroscopic Pathology Scoring Criteria

Score	Criteria - Degree of Hydronephrosis (H&E stained slide)
0	*Within Normal Limits*
	- no dilation of the renal pelvis

1	*Minimal*
	- pelvis visibly dilated, occupying less than 15% of the kidney width at the hilus

2	*Mild*
	- pelvis visibly dilated, occupying 20% to 40% of the kidney width at the hilus

3	*Moderate*
	- pelvis visibly dilated, occupying 45% to 70% of the kidney width at the hilus

4	*Marked*
	- pelvis visibly dilated, occupying more than 75% of the kidney width at the hilus