ROBERT M. KARK, F.R.C.P., F.A.C.P.; ROBERT C. MUEHRCKE, M.D.; CONRAD L. PIRANI, M.D.; VICTOR E. POLLAK, M.B., M.R.C.P.E.
The Kea parrot kills sheep by pecking at their kidneys with its large, hawklike beak.3 The human counterpart of this bird makes ill-advised stabs with large-bore biopsy needles at the kidneys of patients, and is astounded when he lacerates the organ and endangers the patient's life! Besides laceration of the kidney, other major potential hazards of renal biopsy are retroperitoneal hemorrhage, renal infarct, anuria and dissemination of infection. In the past, biopsy of the kidney was considered too dangerous, but in 1951 Iversen and Brun1 showed that, in the right hands and with proper care and technic, the procedure is
KARK RM, MUEHRCKE RC, PIRANI CL, POLLAK VE. THE CLINICAL VALUE OF RENAL BIOPSY12. Ann Intern Med. 1955;43:807–847. doi: 10.7326/0003-4819-43-4-807
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Published: Ann Intern Med. 1955;43(4):807-847.
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