Presentation
Right upper quadrant pain for investigation
Patient Data
Age: 75
Gender: Female
From the case:
Focal fatty sparing of the liver
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Diffuse fatty liver (HU density 23) with well-defined "mass" in gall bladder fossa (HU density 50)
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Typical increased echogenicity of liver consistant with steatosis and focal sparing (normal liver) at the site of CT abnormality. Normal blood flow on Doppler.
Case Discussion
The gall bladder fossa/porta hepatis is a typical location for focal fatty sparing in patients with steatosis. It can sometimes be confused with a mass lesion. It has features of normal liver on CT and US
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