Hepatic hydatid cyst

Case contributed by Ammar Haouimi
Diagnosis almost certain


Right upper quadrant discomfort in a patient from a rural origin.

Patient Data

Age: 60 years
Gender: Female

Enlarged liver with steatosis (craniocaudal length = 20 cm) with a large well-defined cyst of the left lobe measuring (12 x 10 x 8 cm) with a focal wall calcification. Homogeneous fluid content with no septation or daughter cysts is seen (confirmed by ultrasound, not shown). Another small similar adjacent cyst is noted in the left lobe measuring 20 mm.

A sliding hiatus hernia is noted.

Normal appearance of the gallbladder and biliary radicles.

Case Discussion

CT features most consistent with hepatic hydatid cyst.

The serological tests for hydatid disease were positive in this case.

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