The subspecialty of nephrology owes its existence to a wide assortment of factors, not the least of which is the relative ease with which renal tissue may be obtained from the living patient with kidney disease and correlated with clinical and laboratory manifestations. Credit for this development must go to those who pioneered the technique of percutaneous renal biopsy and shepherded it through its early days of both clinical uncertainty and skeptical reception.1 While today this procedure is performed regularly in thousands of hospitals throughout the world, it should in no way be viewed casually. One must be mindful of the fact that even though renal biopsy is a relatively safe and efficacious technique, it is not without risk, and considerable skill is required in its performance.
The safety of the procedure and the adequacy of the biopsy specimen are much enhanced if the exact position of the kidney
Pollack HM, Goldberg BB, Kellerman E. Ultrasonically Guided Renal Biopsy. Arch Intern Med. 1978;138(3):355-356. doi:10.1001/archinte.1978.03630270009005