Figure 1. Gross specimen of prostate gland.. Figure 2. Microscopic effects of BPH.
B-Late changes In severe degree of obstruction : The intrapelvic pressure becomes closure or higher than the glomerular filtration rate(6-12mm Hg), -less.
Common causes of urinary tract obstruction: 1- Lower &Mid tract:
1 Pyelonephritis. Definition It is Bacterial infection of the renal pelvis, tubules and interstitial tissue of one or both kidneys potentially organ-
