Pyonephrosis

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Pyonephrosis
Classification and external resources
ICD-10 N13.6
ICD-9 590.0, 590.1, 590.8
eMedicine med/2851

Pyonephrosis (Greek pyon "pus" + nephros "kidney") is an infection of the kidneys' collecting system. Pus collects in the renal pelvis and causes distension of the kidney.

It can cause kidney failure.[1]

Causes[edit]

Pyonephrosis is sometimes a complication of kidney stones, which can be a source of persisting infection. It may also occur spontaneously. It can occur as a complication of hydronephrosis or pyelonephritis.

Treatment[edit]

This requires drainage, best performed by ureteral stent placement or nephrostomy.

See also[edit]

References[edit]