Ruptured dermoid and subarachnoid hemorrhage
Presentation
Acute headache.
Patient Data
Age: 60
Gender: Female
From the case:
Ruptured dermoid and subarachnoid hemorrhage
CT
Axial non-contrast
There is acute subarachnoid hemorrhage, with a moderate amount of blood seen in the left sylvian cistern and left convexity, and small amount of blood in the third ventricle and occipital horns. There is mild hydrocephalus. Findings are suspicious for a left MCA trifurcation aneurysm. There is also a ruptured right parasellar dermoid cyst, that measures 3.2 cm in size.
From the case:
Ruptured dermoid and subarachnoid hemorrhage
DSA (angiography)
Common carotid artery
An irregular/lobulated laterally-projecting left MCA M1 bifurcation aneurysm is confirmed.