A member asked:

Does an ivp x-ray show kidney stones when they don't show up on a kub x-ray and can someone still have a stone if none is seen on a kub x-ray?

4 doctors weighed in across 2 answers

CT scan is better: Ct scan is now preferred test for kidney stones. Radio opaque stone can be seen on kub is the stone is big enough for x ray; ct can detect smaller ones. Ivp rarely being used.

Answered 8/5/2015

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Dr. Rakesh Lattupalli answered

Specializes in Internal Medicine

Yes: Ivp xray can show stones not visible on kub x ray. Best is to perform an non contrast ct scan. Some stones like uric acid and pigment stones do not show up on a x ray.

Answered 11/8/2019

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