Season 3 Case 3
History: RUQ pain. prior cholecystectomy
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Do you see it? Of course, the sonographer is measure the common bile duct, which is dilated and there is a round hyperechoic structure sitting right inside.
Answer of course is: choledolcholithiasis
just in case you want to read a little: http://radiopaedia.org/articles/choledocholithiasis