A 24-year-old male asked:
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If i had a CT scan without contrast would kidney stones show up ...

1 doctor answer
Dr. Lane Childs
33 years experience in Urology
Yes: In fact, ct scanning without contrast is becoming the gold standard evaluation for kidney stones. Contrast material frequently obscures stones and makes their identification difficult. Stones as small as 1 mm can be detected with unenhanced ct technique. Radiolucent stones which cannot be seen well with plain x-ray technique do show up well with unenhanced ct scan.
Answered on Mar 19, 2016

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Related questions:

A 43-year-old member asked:
Dr. Phillip Porch
39 years experience in General Practice
Very Well: Almost all kidney stones show up extremely well on a non-contrasted ct scan. A stone that was composed entirely of protein matrix may not show but the ... Read More
4
4 thanks
A 24-year-old male asked:
Dr. Alfred Parkhill Hand
20 years experience in Radiology
yes!: Yes- that is exactly how a ct for renal stones should be performed- with oral or IV contrast.
A 38-year-old female asked:
Dr. Lane Childs
33 years experience in Urology
Yes: Your ct scan certainly look at the adrenal glands and was interpreted as normal. While a ct scan with contrast provides more soft tissue detail, it i ... Read More
2
2 thanks
A member asked:
Dr. Paul Velt
Dr. Paul Velt answered
41 years experience in Diagnostic Radiology
Not always: This does depend on the size of the kidney stone and the way the study is performed. Suffice it to say almost always
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