Non-visualization of Gallbladder is a feature seen in case of Acute cholecystitis in which of the following investigations?: (A) HIDA scan, (B) USG abdomen, (C) CECT abdomen, (D) MRCP
Answer is A. Acute cholecystitis on HIDA scan - failure to visualise gall bladder even after 60 min / delayed visualisation after 4 hrs