Are Arachnoid Cysts Fatal?

Early detection and treatment of arachnoid cysts will help prevent symptoms from developing. If the cyst is allowed to grow, it may put pressure on the brain and spinal cord, leading to permanent neurological complications. Complications of untreated arachnoid cysts can be serious, even life threatening in some cases.

Can an arachnoid cyst cause death?

The fluid inside the cyst is cerebrospinal fluid and the presence of these cysts can create life-threatening situations depending on their location and the symptoms they create. The most severe form of presentation can lead to bleeding (hemorrhage), damage to the central nervous system and sometimes even death.

Is arachnoid cyst life-threatening?

While not usually life-threatening, most arachnoid cysts are benign (noncancerous) and can be treated or managed. When these cysts press against brain tissue, they can cause serious complications such as blocking of the critical flow of CSF.