what is the measurement of common bile duct in a 60 year old patient?
The mean diameter of the normal common duct was 4.1 mm. A common duct greater than 7 mm (circumfrence = 21.98 mm) in diameter can be seen in (a) nonjaundiced patients with gallstones and/or pancreatitis, or (b) jaundiced patients with common duct obstruction by stone or tumor. A common duct greater than 11 mm (circumfrence 34.54mm) in diameter is strongly suggestive of obstruction by stone or tumor. Gekko!!!