Renal papillary necrosis
Renal papillary necrosis describes the coagulative necrosis of the renal papillae due to a variety of causes.
Features
Causes
Features
- visible haematuria
- loin pain
- proteinuria
Causes
- severe acute pyelonephritis
- diabetic nephropathy
- obstructive nephropathy
- analgesic nephropathy: phenacetin was the classic cause but this has now been withdrawn
- sickle cell anaemia
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| © Image used on license from PathoPic | |
Renal papillary necrosis secondary to acute pyelonephritis. Note the pale areas highlighted by the blue arrows