Toddler with jaundice

US and nuclear medicine scan of choledochal cyst — Sagittal US of the liver (left) shows a cystic mass in the liver that appeared to communicate with the biliary tree. Image from a hepatobiliary scan (right) shows radiotracer uptake in the lesion, confirming its communication with the biliary tree.

The diagnosis was choledochal cyst.

Our DDX For This Week Is

View the illustrated DDX of liver masses

Infant with hepatomegaly

MRI of liver hemangioma — Coronal T1 weighted MRI without (left) and with (right) contrast of the abdomen shows a round, well-circumscribed lesion in the right lobe of the liver that has ring enhancement and that was seen to fill in on delayed images.

The diagnosis was a congenital hepatic hemangioma.

Pediatric Imaging Pearl of the Week

View the illustrated DDX of vascular rings and slings

Infant with dysphagia

UGI of left aortic arch with aberrant right subclavian artery — AP (left) and lateral (right) images from an upper GI exam shows a left sided aortic arch and a posterior indentation on the esophagus.

The diagnosis was left aortic arch with aberrant right subclavian artery.

Toddler with stridor

CXR of right aortic arch with aberrant left subclavian artery — CXR shows a right side aortic arch. Echocardiogram showed an aberrant left subclavian artery.

The diagnosis was right aortic arch with aberrant left subclavian artery.