Arachnoid cysts are benign cerebrospinal fluid‐filled sacs that typically reside within the arachnoid membrane. Although most of these cysts remain asymptomatic, complications can arise when ...

Arachnoid cysts are also known as leptomeningeal cysts. They are CSF-filled extra-axial cysts commonly located adjacent to the brain and skull in the middle and posterior fossa, suprasellar region, ...

When people experience head trauma or if doctors suspect certain medical conditions, scans can be used to look at the brain and make an assessment. Arachnoid cysts (AC) are little sacs full of fluid ...