The pathology “Acute alithiasic cholecystitis complicated by empyema” has the following characteristics:
- The gallbladder is enlarged (its length is greater than 10 cm, the anterioposterior diameter is greater than 4.0 cm),).
- Tonicity is increased (the gallbladder has tense aspect).
- The gallbladder wall is thickened up to 0.8 cm.
- The gallbladder contents is abnormal. The focal modifications are absent or they have the aspect of sludge or sludge balls, if present.
- The diffuse modifications are present. They present the aspect of linear or membrane images, with the echogenicity lower than or similar to the one for liver, which have chaotic, roving or floating mobility. The gallbladder contents is spread nonuniform, with stratified, gravitational or declive character.
- The acoustic effects can be absent or present, excepting fugal posterior reverberation.
- The pains in the interested zone are present.
- Murphy's sign is positive.
- The gallbladder obstruction can be absent or present.
- The perivesicular area can be without modifications or presents the transsonic collections with striplike aspect, localized segmentally or on the whole gallbladder perimeter.
- The paraclinical data (hemogram) are the pathological ones.
