This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Radiology
Thickened gall bladder wall in USG seen in – a) Acute cholecystitisb) Mucosal thickeningc) Cholesterosisd) Ascitese) AIDS cholangitis 
Select and explain. 
A. abcd, B. bcde, C. abde, D. ade
C: abde
Answer: C: abde 
Explanation: All the given causes except cholesterosis can cause thickening of gallbladder wall. For details read text of the chaptor.
Amongst common cholecystoses, adenomyomatosis causes thickening of gallbladder wall not cholesterosis.