2-15% OBSTRUCTIVE UROPATHY

AUTOPSY FINDINGS IN SYMPTOMATIC HYDRONEPHROSIS 3,5-3,8%

CAUSES [1] ENDOGENOUS [A] INTRALUMINAL [OVALATE STONES/URIC ACID CRYSTALS/APOPTOSIS RENAL SCAR FORMATION/BLOOD CLOTS] [B] INTRAMURAL [TUMORS/STENOSIS/GRANULOMA/INJURIES/RADIOTHERAPY/MEDICINES/VUR/NEUROGENIC BLADDER]

[2] RELATED [A] OBSTRUCTION PYELOOYRITIRIKIS SYMBOL [B] POSTERIOR URETHRAL VALVES