Arachnoid cysts are fluid-filled sacs in the brain or spinal cord. They can be present before birth or result from a head injury. They typically do not cause symptoms or require treatment. Many cysts ...

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 ...

Often an incidental finding on brain scans looking for trauma or other neurological conditions, arachnoid cysts (ACs) are small, fluid-filled sacs within the arachnoid membrane, one of three layers ...

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 ...

Spinal arachnoid and perineural (Tarlov) cysts comprise cerebrospinal fluid-filled lesions that arise within or adjacent to the dural and nerve root sheaths of the spinal canal. Although often ...

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 (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, ...