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Kidney Biopsy: What It Involves
✓ Fact-checked against sourced references · Editorial standards
A kidney biopsy takes a tiny sample of kidney tissue with a thin needle so a pathologist can determine the exact cause of damage.
Why it is done
It diagnoses glomerular diseases and unexplained kidney failure when blood and urine tests are insufficient.
Frequently asked questions
Is a kidney biopsy painful?
There may be brief discomfort, but local anaesthetic keeps it tolerable.
Sources
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Educational only. This guide is general kidney-care information, not individual medical advice.