Radiology General 16af6a7d Which of the following statements about acute cholecystitis is true? A It usually occurs due to obstruction at the neck of gall bladder B On HIDA scan. gall bladder is not visualized C Immediate cholecystectomy can never be done D Analgesics and intravenous fluids are the best treatment High-Yield Explanation Ans.On HIDA scan. gall bladder is not visualized