Is renal biopsy done on both kidneys?

Kidney biopsy is not performed on both kidneys, usually only one of the kidneys is selected. The lower pole of the right kidney is most chosen because of its lower position, ease of puncture, and less risk.

Clinically, the diseases that require renal puncture are mainly various glomerulonephritis, unexplained hematuria, proteinuria, and abnormal renal function. These kidney diseases are diffuse, bilateral kidneys are symmetrical, not localized lesions, so it is representative to select one of the kidneys for puncture.

Of course, which kidney is ultimately selected for puncture is more

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