Traumatic AV fistula following RF ablation
Follow up after radiofrequency ablation of hepatocellular carcinoma
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Early opacification of main portal vein without enhancement of the splenic or superior mesenteric vein suggesting development of A-V fistula. Successful ablation of subsegment VII focal lesion with no viable residual tissue.
Arterio-portal fistula may occurs secondary to hepatic trauma or iatrogenic maneuver e.g. liver biopsy or due to malignant infiltration leading to transtumoral shunt.