Hepatic hydatid cysts

Case contributed by Mohammadtaghi Niknejad


Abdominal pain.

Patient Data

Age: 70 years
Gender: Female

CT scan without contrast study


Two hepatic cysts are seen in segments 6 and 8, measuring 30 and 60 mm, respectively. The largest one has a superficial location. 

Control CT scan with contrast study after one year


Three cysts are seen at liver parenchyma measuring 65 mm (Segment 8), 37 mm (Segment 6) and 10 mm (Segment 7). All of them have thin walls without obvious calcification or enhancing soft tissue component.
Subsegmental collapse is present at the right middle lobe. A few calcified nodules are also observed at lung bases less than 8 mm.
Degenerative changes osteophytosis are seen at the lumbar spine.

Control MRI without contrast study after two years


Two partially exophytic cystic lesions with fine internal septations and without obvious solid component are seen at liver measuring 70 x 65 mm and 42 x 38 mm. There are also several intrahepatic cysts, less than 15 mm of similar appearance.

Bilateral lung base lesions of peripheral distribution (pneumonia COVID-19?)

Case Discussion

Hepatic cystic lesions most consistent with hydatid cysts. The most common presentation of the hepatic hydatid disease is well-defined encapsulated cystic or multicystic masses.

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