1. Thump tenderness over the right upper quadrant may suggest chronic cholecystitis . 2. The presentation of acalculous cholecystitis is similar to calculous cholecystitis. 3. The presentation of acalculous cholecystitis is similar to calculous cholecystitis . 4. Severe complications may arise . acalculous cholecystitis or granulomatous appendicitis. 5. Gallstones are a common cause of inflammation of the gallbladder, called cholecystitis . 6. Acute cholecystitis is associated with gallstones in over 90 per cent of patients. 7. In most patients acute cholecystitis subsides in a few days with conservative treatment. 8. Inflammation of the gallbladder is known as cholecystitis . 9. Migration of proglottids can cause cholecystitis or cholangitis. 10. Cholescintigraphy for acute cholecystitis has sensitivity of 97 %, specificity of 94 %.