Yes: One of the more common reasons for microscopic blood in the urine are kidney stones which , as you say, "scratch" the lining of the small "tubules" collecting the urine in the kidney. The larger the stone the more blood and with major stones the blood becomes visible. Hope this helps Dr Z
Answered 11/15/2014
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A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
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