Presentation
Right upper quadrant pain with a hepatic mass of complex echotexture on ultrasound.
Patient Data
Age: 60 years
Gender: Female
From the case:
Hepatic hydatid cyst - stage CE 4
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Axial T2 fat sat
Dysmorphic liver with atrophied segment 5. Well defined ovoid cystic lesion located in segment 5 of low signal on T1, high signal on T2 and T2 fat sat containing serpigenous linear structures of the membranes within the mass.
From the case:
Hepatic hydatid cyst - stage CE 4
ultrasound
The previously described cystic lesion in segment 5 of the liver shows a mixed hypoechoic and hyperechoic matrix, resembling a ball of wool (ball of wool sign) with no daughter cysts.
Case Discussion
MRI and ultrasound features of a hepatic hydatid cyst stage CE 4, according to the 2001 WHO classification of hepatic hydatid cysts.
CE = cystic echinococcosis