Case 3: Imaging question 2

A CT of the head was performed without contrast. A single image is shown in comparison to a normal patient.

Questions

1. Where is the abnormality located?

Answer

2. Describe the abnormalities using appropriate terminology.

• There is high attenuation material filling the subarachnoid spaces including the basilar cisterns (red arrows).

3. What is this patient as risk for developing?

Answer

4. What is your imaging differential diagnosis for the imaging findings?

Answer