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 ...

A 22 year-old woman presented for evaluation of headaches. On examination, there were subtle neurological signs suggestive of mild right sided weakness. Arachnoid Cyst of the Middle Cranial Fossa: ...

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 ...

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.

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, ...