The sonographic appearance of choledocholithiasis is best described as. Nonshadowing mobile hyperechoic mass. Mobile hyperechoic focus demonstrating posterior shadowing. Immobile echogenic focus demonstrating a posterior shadow. Mobile hyperechoic focus demonstrating anterior shadowing.

Mobile, hyperechoic focus demonstrating posterior shadowing

Explanation:

Cholecystitis can also be regarded as gallbladder inflammation i.e inflammation of a digestive organ which is a small organ beneath the liver. The causes of Cholecystitis is as a result of blocking of tube( cystic duct) that leads the gallbladder all the way to the small intestine, as a result of this Bile can builds up then inflammation will occur. This can be treated through surgery. The features of sonographic oacute cholecystitis are;

✓More than 5mm thickening wall

✓ More than 5cm gallbladder distention

✓sonographic Murphy sign

✓ presence of pericholecystic fluid,

✓ appearance of Gallstones is inform of echogenic foci in the gallbladder.

It should be noted that the sonographic appearance of choledocholithiasis is best described as Mobile, hyperechoic focus demonstrating posterior shadowing.

answer: 21

step-by-step explanation:

divide 630 by 30. 30 goes into 630 21 times