Hepatic hydatid cyst

Case contributed by Mohammadtaghi Niknejad
Diagnosis almost certain

Presentation

Right upper quadrant pain and fever.

Patient Data

Age: 15 years
Gender: Female
ct

A large well-defined thick-walled cystic lesion at the right lobe of the liver with Inner layer detachment, without calcification or enhancing solid component.

Case Discussion

The findings are consistent with hepatic hydatid cyst.

When the hydatid cyst is less than  3 cm, the imaging findings are nonspecific, resembling those of simple hepatic cysts.  With  larger  lesions,  the  CT findings  are :

  • a hypodense band owing to the presence of a pericyst 
  • wall calcification 
  • daughter cysts within the main focus
  • inner layer detachment 

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