Fig. 1From: Arteriovenous fistula in a renal allograft with gross hematuria and subsequent acute kidney injury due to urinary tract obstruction: a case reportInitial ultrasonography image of the renal transplant AVF. (a) A renal transplant AVF 10 years after kidney transplantation. (b) A color Doppler ultrasonography image shows an aneurysmal dilatation (42 × 19 × 20 mm) in the lower pole of the allograft AVF: arteriovenous fistulaBack to article page