- Etiology: Neonatal viral infection of liver
- Imaging US: Gallbladder is visualized
- Imaging HIDA scan:
— Pretreat with phenobarbital for 1 week to optimize liver uptake
— Decreased uptake of radiotracer in liver
— Excretion of radiotracer into biliary tree and bowel - DDX: Biliary atresia
- Complications:
- Treatment:
- Clinical: Presents with neonatal jaundice