A 62-year-old man presented with left flank pain and hematuria four days after undergoing mesenteric artery balloon angioplasty and stent placement. Imaging revealed left renal infarction with associated papillary necrosis and a thrombus in the left collecting system causing acute renal obstruction. Complete obstruction was confirmed using MAG3 Renal Scan with Lasix. A nephrostomy tube was inserted under CT guidance by interventional radiology with complete resolution of obstruction and hematuria.
Keywords: kidney; papillary necrosis; renal infarction; renal obstruction; renal papillary necrosis; renal thrombus.
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