Fat in dural sinuses is usually an incidental finding and generally tends to occur in the torcula but may be seen in all dural sinuses 1.
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Pathology
They are thought to represent normal adipose tissue in the sinus wall.
Radiographic features
CT
Fat in the dural sinuses is seen as fat-density nodules or lines extending along the dural sinuses.
The most common locations are, in order of frequency 4:
Differential diagnosis
If not viewed on the correct window setting, it may mimic the following:
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