Pyelonephritis, in which Staphylococcus intermedius was isolated, was diagnosed in a 4-year-old female Siberian tiger (Panthera tigris altaica). At necropsy, the renal pelvis was dilated with a large amount of purulent exudates. Microscopically, the lesions of renal pelvis and medulla consisted of necrotic foci intermingled primarily with numerous degenerative neutrophils and a few lymphocytes,...

Renal replacement lipomatosis (RRL) is a relatively uncommon entity, although misdiagnosis mainly with xanthogranulomatous pyelonephritis (XGP) due to lack of awareness by urologists, radiologists, and pathologists may be responsible for underreporting1,2. We illustrate a case of RRL that was initially misdiagnosed as XGP, and compare it with a classic case of XGP, underscoring the similarities...

In 1956, West and Zimmerman reported a 'first case' of haemolytic anaemia, apparently caused by the use of nitrofurantoin (Furadantin). Since then, no further reports of this untoward effect of the drug have appeared in the literature. Recently a case of acute pyelonephritis treated with Furadantin, observed in the Paediatric Department of the Poriah Government Hospital in Tiberias, developed s...

Emphysematous pyelonephritis is an acute necrotizing infection of the renal parenchyma, resulting in presence of gas within either in the collecting system or perinephric space. We herein report our experience with 5 cases of emphysematous pyelonephritis in 2 men and 3 women managed by broad spectrum antibiotics, supportive measures including hemodialysis (2 patients), ureteral stenting (2 pati...