Hepatic hydatid cyst - pediatric

Case contributed by Ammar Haouimi
Diagnosis almost certain

Presentation

Right upper quadrant pain in a child of rural origin.

Patient Data

Age: 10 years
Gender: Female
ultrasound

There is a large well-defined unilocular hypoechoic cystic lesion in the right hepatic lobe with internal echoes. 

Large well-defined unilocular cystic lesion of the right lobe of the liver with homogeneous fluid content and thick dense regular wall measuring 17 x 12 x 10 cm. No peripheral enhancement following IV contrast. A mass effect is noted on the duodenopancreatic region, gallbladder and right kidney. No dilatation of the intra-or extrabiliary radicles.

Case Discussion

The clinical presentation and CT feature are most consistent with a hepatic hydatid cyst stage CE1 (WHO classification).

Serological tests for hydatid disease were positive.

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