Hepatic hydatid cyst

Case contributed by Dr Nikos Karapasias

Presentation

Female diabetic patient with cronic epigastric pain, WBC>16 K/μL, Ht: 30%

Patient Data

Age: 75
Gender: Female
Ultrasound

Water-lily sign shown

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'.

Case Discussion

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.

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Case information

rID: 25366
Case created: 22nd Oct 2013
Last edited: 1st Mar 2016
Inclusion in quiz mode: Included

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