Brooklyn, NY
A 48-year-old female asked:

My urologist noted my kidney stones look dense b/c they show as bright on the kub. what does this mean? i'm scheduled for eswl soon. can it blast them

1 doctor answer1 doctor weighed in
Dr. Gerald Klein
Radiology 52 years experience
Stone is made of cal: Stones are made of a variety of chemical compounds. Most have calcium within them which makes them bright on an x-ray. The more calcium or the larger they are, the brighter they appear. Assuming the stone is large enough for the doctor to localize, yes it can be blasted.
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