A Case of Calculous Pyonephrosis

Pte. P. F. J., aged 42, was admitted to the Crerard Freeman Thomas War Hospital, Bombay, on 22nd June, 1917, with a discharging sinus in the right loin. He stated that since December 1916 he had been troubled with debility and increasing weakness, but had no colic or pains in the loin; this had developed insidiously. It proved to be an abscess, which was opened and drained, the wound soon healing. Pus, however, re-collected, and the abscess was again opened. On this occasion the wound did not completely heal, a small sinus persisting. Up to this time, apparently, kidney disease was not suspected. On admission there was a small discharging sinus in the right loin, associated with slight fever; no trace of urine was detected coming from the sinus, as methylene blue was adminis-