Reference to "comet tail and "Intramural foci" describe what is seen on the ultra sound. With the other facts; thickened gallbladder wall and sludge or Gallstones is a definite indication of adenomyomatosis. What the heck is that!
The gallbladder wall is made up of 4 layers. Adeenomyomatosis refers to the thickening of the two inner layers.
The dilated common bile duct (it is usually about 4 mm) is a sign that there is or has been an obstruction of the duct and also an indicator that Gallstones should be present.
The increased amylase indicates that the function of the pancreas is restricted. To diagnose pancreatitis the lipase levels should also be high and you need both to be high to diagnose pancreatitis.
The liver is usually less than 16 cm (90% of people) The size is influence by your own body mass index. Big people have a big liver) An enlarged liver is a sign of many many things apart from the usual culprits. You can google "enlarge liver" and read for yourself. The main thing is that it doesn't usually cause pain but can stress the falciform ligament that holds the liver in place. This can cause mid line upper abdominal pain and rib pain.