What 10 conditions lead to a unilateral large kidney?

1. Obstructive uropathy
2. Acute pyelonephritis
3. XGPN
4. Acute arterial infarction
5. Renal vein thrombosis (especially in neonates secondary to dehydration)
6. Compensatory hypertrophy
7. Duplicated kidney or collecting system
8. Cyst
9. Tumor (particularly renal cell carcinoma)
10. Multicystic dysplastic kidney