Urinary Ascites
An unusual cause of ascites is urinary ascites: this occurs when there is rupture of either the ureter or bladder, leading to leakage of urine into the peritoneal space. In adults, this is almost always due to either…
Schistosomiasis and Renal Disease
Schistosoma species–also known as blood flukes and bilharzia–can cause some interesting forms of renal disease. Although this is not so common in the United States, it is a very common public health problem in Africa and Asia. Chronic…
Renal Complications of ESWL
Extracorporeal shock wave lithotripsy (ESWL), invented during the 1980s in Germany, uses concentrated pulses of sound waves to break up kidney stones too large to pass on their own into smaller pieces, which will then have a chance…
Xanthogranulomatous pyelonephritis
Xanthogranulomatous pyelonephritis (XGP) is a rare but severe complication of chronic UTIs. I think of it (in simplistic terms) as a pyelonephritis so severe that it results in loss of renal function of the affected kidney as well…
UPJ Obstruction
UPJ obstruction is another common congenital abnormality which under some circumstances can lead to significant renal scarring and chronic kidney diseases. About 50% of ultrasounds during pregnancy which detect antenatal hydronephrosis turn out to have UPJ obstruction. UPJ…
Horseshoe Kidney versus Crossed Fused Ectopia
Horseshoe kidney is a relatively common (1 in 400 live births) congenital malformation of the kidney in which the kidneys are fused together. 90% of the time the fusion occurs at the lower poles (upper left photo) and…
Urinoma
Time for some “Renal Radiology Rounds.” The case involves a 77 year-old man with a history of severe benign prostatic hypertrophy. He had been advised to have a TURP in the past but had repeatedly declined. He was…