Renal papillary necrosis
Alternative Names
Necrosis - renal papillae; Renal medullary necrosisSymptoms
Necrosis (tissue death) of the renal papillae may make the kidney unable to concentrate the urine. Symptoms may include:
- Back pain or flank pain
- Bloody urine
- Cloudy urine
- Dark, rust-colored, or brown urine
- Tissue in the urine
Additional symptoms that may be associated with this disease:
- Chills
- Incontinence
- Increased urinary frequency or urgency
- Painful urination
- Passing large amounts of urine
- Urinating frequently at night
- Urinary hesitancy
Exams and Tests
An examination may reveal tenderness when touching the body over the affected kidney. There may be a history of chronic or recurrent urinary tract infections. There may be signs of obstructive uropathy or renal failure.
A urinalysis may show dead tissue in the urine.
An IVP may show obstruction or tissue in the renal pelvis or ureter.
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