Hepatic hydatid cysts

Case contributed by Bahman Rasuli
Diagnosis almost certain


Abdominal pain.

Patient Data

Age: 50 years
Gender: Female

Multiple thick-walled hepatic cystic lesions are noted throughout the liver parenchyma with inner layer detachment.

No apparent calcifications or enhancing solid components were observed within.

Case Discussion

The CT features are most consistent with hepatic hydatid cysts.

The liver is the most common site of hydatid infection. The WHO has classified hepatic hydatid cysts into various stages, and the water lily sign is visible in stage CE3a. This phase represents a transitional period between active and inactive disease. The membrane detachment is caused by several factors, such as decreased intracystic pressure, degeneration, host response, trauma, or therapy.

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