Hydronephrosis in Cats
 
In most cats, hydronephrosis occurs when fluid builds up in the kidney, causing progressive distention of the renal pelvis (the funnel-like dilated proximal part of the ureter in the kidney) and diverticula (out pouching, with atrophy of the kidney secondary to obstruction).
 
The disease is usually one-sided and occurs secondary to complete or partial obstruction of the kidney or ureter by kidney stones, tumor, retroperitoneal (the anatomical space behind ...read more