Water lily sign - hepatic hydatid cysts

Case contributed by Senai Goitom Sereke
Diagnosis certain

Presentation

Right upper quadrant pain.

Patient Data

Age: 20 years
Gender: Female

Two large thick walled cystic lesions in the right lobe of the liver, that demonstrate internal layer detachments floating in side both cysts (water lily sign), in keeping with hydatid cysts.

Case Discussion

Water lily sign represents a detachment of an endocyst membrane in echinococcal infection with floating of the detached membrane inside the cyst. It is pathognomonic feature of hydatid cyst.

How to use cases

You can use Radiopaedia cases in a variety of ways to help you learn and teach.

Creating your own cases is easy.

Updating… Please wait.

 Unable to process the form. Check for errors and try again.

 Thank you for updating your details.