The pathology “Acute gangrenous alithiasic cholecystitis” 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 the tense aspect).
- The gallbladder wall is thickened, possibly greater than 0.8 cm, with striated aspect.
- The gallbladder contour has the homogeneous band aspect, linear or double.
- The gallbladder contents is abnormal.
- The focal modifications are absent or have the sludge aspect, if present.
- The diffuse modifications are present, with the aspect of echogenic images, linear or membrane, with nonuniform spreading, localized declive, stratified or gravitationally, with chaotic, roving or organized mobility.
- Of all acoustic effects, the modifications sometimes can present only the posterior reverberation of static type.
- The pains in the interested zone are present.
- Murphy's sign is positive.
- The paraclinical data (hemogram) are the pathological ones.
- The gallbladder obstruction is absent or present.
- The perivesicular area can be without modifications or presents transsonic or inhomogeneous collections with striplike aspect, or collections or abnormal accumulations, localized segmentally or on the whole gallbladder perimeter.
