Hepatic hydatid cyst
Female diabetic patient with cronic epigastric pain, WBC>16 K/μL, Ht: 30%
Water-lily sign shown
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In left lobe of the liver, a well – defined cystic mass with a “floating membrane” within the cavity. The “floating membrane” represents the complete detachment of the endocyst – Laminated membrane from the pericyst and is referred as “Water-Lily” sign.
This ultrasonographic sign is pathognomonic for Echinococcosis Hydatid Cyst in the Transitional stage (WHO CE3) . Note the multiple echogenic foci (yellow arrows) due to hydatid 'sand'.
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Echinococcus granulosus is the most common cause of hydatid disease.
This ultrasonographic sign is pathognomonic for Echinococcosis hydatid cyst in Transitional stage (WHO CE3) . Is necessary to recognize and diagnose the exact stage of echinococcus cyst, because the PAIR (Puncture, Aspiration, Injection, Re-aspiration), a minimally invasive therapeutic option, it is feasible in types CE1, CE2 and CE3 of the WHO classification of Cystic Echinoccosis cysts.