IndicationRight lower quadrant pain.
ExamCT abdomen and pelvis with contrast.
TechniqueAxial images of the abdomen and pelvis after 100 mL of iohexol 350 IV, with coronal and sagittal reformats.
4 mm nonobstructing calculus in the lower pole of the left kidney. No hydronephrosis.
The appendix is normal in caliber without surrounding inflammation.
No bowel obstruction or free fluid. The liver, spleen and pancreas are unremarkable.
Impression4 mm nonobstructing left renal calculus. No acute finding to explain right lower quadrant pain.