12 year-old female with dilated common bile duct on serial ultrasound, evaluate for choledochal cyst type I. ABDOMEN:LIVER, BILIARY TRACT: The liver is normal in morphology with no focal hepatic lesions. No intrahepatic biliary ductal dilatation. Mild saccular dilatation of the mid common bile duct persists measuring up to 9 mm in diameter spanning approximately 2 cm. The gallbladder is slightly distended with no cholelithiasis or findings to suggest cholecystitis. SPLEEN: No significant abnormality noted.PANCREAS: No significant abnormality noted.ADRENAL GLANDS: No significant abnormality noted.KIDNEYS, URETERS: The kidneys demonstrate symmetric enhancement with no evidence of hydronephrosis. RETROPERITONEUM, LYMPH NODES: No significant abnormality noted.BOWEL, MESENTERY: The bowel is normal in caliber with no evidence of bowel obstruction. BONES, SOFT TISSUES: No significant abnormality noted.OTHER: No significant abnormality noted.
Unchanged mild dilatation of the mid common bile duct which may be a normal variant or could represent a type I choledocho cyst.