Arachnoid cysts are the most common type of brain cyst. They're not tumors, but cysts filled with cerebrospinal fluid (a clear liquid that surrounds your brain and spinal cord). Most people who have ...

Arachnoid cysts are benign, cerebrospinal fluid-filled sacs that typically arise from developmental anomalies in the arachnoid membrane. Although often discovered incidentally, these lesions can ...

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 ...

The most common type of brain cyst (arachnoid) has no known cause. New research investigating patients with these cysts has found something unexpected—a potential genetic link. Cerebral arachnoid ...

Cysts can form in all parts of the body, including the brain. Typically, most brain cysts are benign and do not require surgical removal. If surgery is necessary, the surgeon will either drain or ...

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, ...