22 year old with a known history of intracerebral aneurysms
Publication Date: 20130726
This 22 year old patient with a known history of intracerebral aneurysms presented after being "found down" with profound neurologic deficits on exam.
- Can you identify the pathology on this patient's non-contrast head CT?No pathology.
Incorrect. An epidural hematoma classically has a convex appearance and is restricted by suture lines.Tumor
Incorrect. While there is an abnormality on this scan, it is not a mass.Subarachnoid hemorrhage
Correct. This patient's CT shows the classic "star sign," which indicates blood in the basal cisterns (a sign of a subarachnoid hemorrhage).Intraparenchymal hemorrhage
Incorrect. While the patient may have bleeding within the parenchyma of the brain, it is not shown on this slice of the CT.