What happens to urine routine occult blood?

Urinary routine occult blood may be caused by urinary system infection, urinary system stones, urinary system tumors and other factors, the correlation analysis is as follows:

1. Urinary system infection

urinary system infection caused by inflammatory reaction, will lead to urethral mucosa congestion, so that red blood cells leak into the urine, urine routine occult blood positive reaction.

2. Urinary system stones

urinary system stones after the occurrence of stones may damage the urethra, leading to local blood vessel rupture, so that blood into the urine, the above situation occurs.

3. Urinary system tumors

urinary system tumors will cause erosion, congestion, swelling phenomenon, leading to mucosal rupture, promote blood exudation, leading to urine routine occult blood positive.