Research using rats sometimes requires long-term placement of catheters in the subarachnoid space, the cavity between the arachnoid mater and the pia mater in the brain. These catheters can be used to ...

A 33 year-old woman presented with complex partial seizures which often generalized. On examination, there was subtle right sided weakness. Arachnoid Cyst of the Middle Cranial Fossa: Axial CT scans.

Our patient cases represent two distinct types of dumbbell-shaped MTS—one having a predominant posterior fossa with a middle cranial fossa component and the second tumor predominantly being ...

Arachnoid cysts (ACs) are benign, discrete pockets of CSF (cerebrospinal fluid) or CSF-like fluids, accounting for 1% of all intracranial space-occupying lesions. Commonly observed during childhood, ...

Arachnoid Cyst of the Middle Cranial Fossa: (Left) T1-weighted axial MRI; (Right) T2-weighted axial MRI. Note the small cyst in the right middle cranial fossa, anterior to the temporal lobe. The cyst ...