RT Journal A1 EISENDRATH DN T1 A case of bilateral renal calculi JF Journal of the American Medical Association JO Journal of the American Medical Association YR 1909 FD June 26 VO LII IS 26 SP 2103 OP 2103 DO 10.1001/jama.1909.25420520017003c UL http://dx.doi.org/10.1001/jama.1909.25420520017003c AB The following case illustrates the necessity of taking skiagraphs of both kidneys in every case of suspected renal calculi. It is a generally accepted fact that the simultaneous presence of calculi in both kidneys is not so rare as was formerly thought. It has been estimated to occur in from 15 to 20 per cent. of cases of nephrolithiasis. It is of the utmost importance to ascertain the bilateral presence of calculi, owing to the frequency with which anuria may occur, with obstruction of the ureter of one side and reflex inhibition of the functional activity of the opposite kidney or cessation of the secretory functions of the latter as the result of blocking of its ureter by a calculus. It is beyond the province of this brief clinical report to discuss the advisability of operating on one or both kidneys at the same sitting. At present I am inclined