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A member asked:
Does a ct or ultrasound always show kidney stones?
3 doctors weighed in across 2 answers
Yes: As limited by resolution. Meaning a stone of and eighth of an inch may be difficult to see especially on ultrasound.
Answered 8/16/2017
6.3k views
No: Ct and ultrasound does not "always" show kidney stones. The resolution may not be sensitive enough to see very small stones less than 2 to 3 mm. Depending on the thickness of the images on the ct scan, a stone may be potentially missed between the images taken by the ct scanner. Ultrasound may also over-read or miss very small stones as well. Overall though, the detection rate is still very hi.
Answered 3/12/2020
6.1k views
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