CT evaluation of flank pain and suspected urolithiasis.

Background: Acute renal colic is the most common clinical indication among patients seen in emergency departments. Studies have shown that 2% to 3% of people will experience an episode of acute renal colic during their lifetime.

Objective: The objective of this study was to create and pilot test a single efficient medical imaging examination that can assess the entire urinary system and the surrounding organs' parenchyma for flank pain, suspected urolithiasis or both.