At the meeting of the American Association of Genito-Urinary Surgeons in June, 1912, I reported a series of cases of acute unilateral hematogenous infection of the kidney, some treated by nephrectomy, others by decapsulation or drainage, and another group by non-surgical measures.
At this time it is my desire to relate the subsequent course of these patients and to refer to others which have come under my observation since that time. Tuberculosis, the most common of all hemic infection of the kidney, is not to be considered.
Suppuration within the kidney parenchyma, as is well known, results from infection by one or another of certain varieties of micro-organisms taking place usually in one or two ways, either as an ascending infective process from the lower urinary tract or brought to the kidney by the blood stream; yet rarely the kidney becomes acutely infected by adjacent septic foci or by penetrating