We report a case of predominantly vascular and interstitial amyloid ddeposition in the kidney in a patient who presented with acute renal failure and without overt proteinuria. A 59 year-old male patient was admitted to the hospital because of
general
weakness, dyspnea, decreased urine output and generalized edema. Laboratory findings included BUN 49mg/dL, serum creatinine 6.7mg/dL, and serum albumin 3.7g/dL. His urinalysis showed albumin(-), RBC 3/HPF, and WBC 6/HPF. Percutaneous renal biopsy
revealed a predominantly vascular and interstitial deposition of amyloid, and had no glomerular amyloid deposition. His renal funtion improved with symptomatic treatment to serum creatinine level of 1.2mg/dL at 1 month after diagnosis.
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