Indications of Renal biopsy1- Nephrotic syndrome in adults.
2- Nephritic syndrome in adults.
3- Asymptomatic haematuria or proteinuria.
4- Focal lesion.
5- Unexplained acute renal failure.
6- Unexplained chronic renal failure with normal or near normal kidney size.
7- Diagnosis of systemic disease with renal involvement e.g. amyloidosis.
Chronic renal failure with normal sized kidney or enlarged can be met with diabetic nephropathy or amyloidosis kidney.
2- Shrunken kidneys (less than 60% of the expected bipolar length).
3- Solitary kidney (except in renal graft).
4- Uncontrolled hypertension or bleeding tendency.
Complications of Renal biopsy(Mortality 0.1%)
• Injury ===> hematuria.
• Rupture kidney.
• Perirenal hematoma may cause hypertension.