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Renal papillary necrosis

Alternative Names: Necrosis - renal papillae; Renal medullary necrosis Symptoms: Tissue in the urine Cloudy urine Dark, rust-colored, or brown urine Bloody urine Back pain or flank pain May be on only one side May be acute May be colicky or spasm-like pain Additional symptoms that may be associated with this disease: Painful urination Urinary hesitancy Increased urinary frequency or urgency Polyuria (large urine volumes) Nocturia (urinating frequently at night) Incontinence Chills Signs and tests: Text Continues Below 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 sediment, casts, tissue, or blood in the urine. Examination of tissue in the urine may show a necrotic renal papilla. An IVP may show obstruction or tissue in the renal pelvis or ureter.

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