1. Nephrotomy for calculus pyelitis: nephrectomy rightly decided against because of the small percentage of urea : an apparently almost destroyed and useless kidney found to secrete over four and a half times as much urine as the other kidney : death Author(s): Keen, William W. (William Williams), 1837-1932 Publication: Detroit, Mich. : George S. Davis, 1892 Subject(s): Pyelitis -- surgery