11 year old female with dilated common bile duct on serial ultrasound, no elevation of LFTs ABDOMEN:LIVER, BILIARY TRACT: Normal hepatic morphology. There is mild fusiform dilatation of the mid common bile duct measuring up to 8 mm in diameter over a length of approximately 2 cm. No intrahepatic or ductal dilatation. The gallbladder appears moderately distended and otherwise otherwise normal.SPLEEN: No significant abnormality noted.PANCREAS: No significant abnormality noted.ADRENAL GLANDS: No significant abnormality noted.KIDNEYS, URETERS: Symmetric renal enhancement without hydronephrosis.RETROPERITONEUM, LYMPH NODES: No significant abnormality noted.BOWEL, MESENTERY: No significant abnormality noted.BONES, SOFT TISSUES: No significant abnormality noted.OTHER: No significant abnormality noted.
Mild fusiform dilatation of the mid common bile duct, which may represent a normal variant or type I choledochal cyst.