A member asked:

Can a ct miss a kidney stone? i had a ct in the er monday night to rule out appendicitis and no stone was mentioned but i am almost positive that i...

A doctor has provided 1 answer
Dr. Michael Gabor answered

Specializes in Diagnostic Radiology

Yes and no: A “renal stone” protocol CT would be highly unlikely to miss a stone. A CT performed for appendicitis may be less sensitive for picking up small stones because IV contrast is usually given. IV contrast in the kidneys can potentially mask stones and make them difficult/impossible to see.

Answered 1/19/2021

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