What is the most common extra axial brain tumor?
The most common extra axial brain tumor is the meningioma.
What is/are the most common location of hemangiopericytomas?
Hemangiopericytomas can be found throughout the entire CNS, especially along dural surfaces and often near the midline and venous sinuses.
Hypervascular blush in posterior region dependent on pial and dural branches of the posterior circulation and branches of the external carotid arteries, preferably on the right side through the occipital arteries.