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Overview
In a kidney biopsy, a thin needle guided by ultrasound is used to take one or more small samples of kidney tissue. The samples are examined under a microscope to diagnose the cause of kidney problems and guide treatment.
Why it is done
- Protein or blood in the urine without a clear cause
- An unexplained decline in kidney function
- Suspected kidney inflammation (glomerulonephritis)
- To monitor a transplanted kidney
Before the procedure
Blood tests check your blood clotting and kidney function. You may need to stop blood-thinning medicines for several days, and your blood pressure should be well controlled.
During the procedure
You lie on your front, or on your back for a transplanted kidney. The skin is numbed with local anaesthetic, and the needle is passed into the kidney under ultrasound guidance. The procedure takes about 30 minutes.
After the procedure
You will rest in bed for several hours while your blood pressure and urine are monitored. Some patients stay overnight. Avoid heavy lifting for about two weeks.
Risks
The main risk is bleeding, which usually settles on its own. Blood in the urine for a short time is common. Rarely, bleeding needs a blood transfusion or further treatment.
At KIH
KIH's nephrology team offers biopsy of kidney tissue alongside ultrasound, CT, MRI and laboratory investigations.
This information is for general education. Your doctor will explain whether this treatment is suitable for you, and its benefits and risks. For a medical emergency, call +92-51-8446666 or go to the nearest emergency department.
