A Case Report of Typhoidal Acute Acalculous Cholecystitis

Table 3

Imaging criteria for diagnosis of acute acalculous cholecystitis.

Ultrasound
Either two major criteria or one major criterion and two minor criteria
Major criteria
Gallbladder wall thickening > 3 mm
Striated gallbladder (gallbladder wall edema)
Sonographic Murphy sign (unreliable if patient is obtunded or sedated)
Pericholecystic fluid (absent in ascites or hypoalbuminaemia)
Mucosal sloughing
Intramural gas
Minor criteria
Gallbladder distension (>5 cm in transverse diameter)
Echogenic bile (sludge)
Computer tomography
Either two major criteria or one major criterion and two minor criteria
Major criteria
Gallbladder wall thickening > 3 cm
Subserosal halo sign (intramural lucency caused by edema)
Pericholecystic infiltration of fat
Pericholecystic fluid (absent in ascites or hypoalbuminaemia)
Mucosal sloughing
Intramural gas
Minor criteria
Gallbladder distension (>5 cm in transverse diameter)
High attenuation bile (sludge)