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Instrumental Parameters for 115 Acute Cholecystitis Cases—49 Difficult Cholecystectomy Cases (42.6 %)
| Parameters | % of Cases |
|---|---|
| US*: normal PBD† morphology | 87% (100 cases) |
| US*: ultrasonographic identification of acute cholecystitis | |
| •Volume of gallbladder | |
| •Thickness of the wall | |
| •Pericholecystic phlogosis | 100% |
| US*: ultrasonographic morphology of chronic hepatopathy | 4.3% (5 cases) |
| Histology: acute phlogosis | 87% (100 cases) |
US = ultrasound.
PBD = principal biliary duct.
