Renal colic is usually caused by kidney stones, however any kind of kidney pain is called Renal colic.
The two main causes of renal artery stenosis are atherosclerosis and fibromuscular disease.
renal abscess
colics
renal parenchyal echogenicity crf mild
renal failure
Renal Failure
Most cases of renal failure can be attributed to high blood pressure and diabetes. There are other conditions which can cause renal failure, but it isn't common.
caused by dehydration
In children, renal vein thrombosis almost always occurs rapidly after an episode of severe dehydration.
Renal calculi are formed when the urine becomes supersaturated (overloaded) with mineral compounds that can form stones
Acute onset of renal vein thrombosis at any age causes pain in the lower back and side, fever, bloody urine, decreased urine output, and sometimes kidney failure
In adults, renal vein thrombosis can be caused by injury to the abdomen or back, as a result of malignant kidney tumors growing into the renal vein, or as a result of kidney diseases