Figure 2From: Antenatally detected cystic biliary atresia: differential diagnoses of a double bubbleAbdominal ultrasound of the right upper quadrant. A large anechoic cystic lesion is seen outside the liver, in the region of the porta hepatis, measuring 38 mm. Another smaller extrahepatic cyst is seen. There is no intrahepatic duct dilatation.Back to article page