Published in:
01-02-2016 | Images in Nephrology
Lumbar artery injury following renal biopsy
Published in: Clinical and Experimental Nephrology | Issue 1/2016
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A 15-year-old boy underwent percutaneous ultrasound-guided renal biopsy with a 16-gauge automated biopsy gun. Images from an ultrasound study after the procedure demonstrated the existence of retroperitoneal hematoma and flow into the renal parenchyma (Fig. 1). Two hours after renal biopsy, the patient had left flank pain, but did not exhibit shock. Enhanced computed tomography revealed increased retroperitoneal hematoma growth. Selective left lumbar angiography showed a fistula between the left lumbar artery and renal vein (Fig. 2). Shortly after lumbar artery embolization, his flank pain disappeared.
Fig. 1
Color Doppler immediately after renal biopsy. Blue color Doppler presented downward blood flow. This finding means blood flow into renal parenchyma
Fig. 2
Selective left lumbar artery angiography. Blood from the left lumbar artery was flowing into the left renal vein through the extrarenal pseudoaneurysm
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