Arachnoid Cysts
Synonyms
Arachnoid Cyst, Intracranial
Arachnoid Cysts, Intracranial
Arachnoid Diverticula
Arachnoid Diverticulas
Cyst, Arachnoid
Cyst, Intracranial Arachnoid
Cyst, Leptomeningeal
Cysts, Arachnoid
Cysts, Intracranial Arachnoid
Cysts, Leptomeningeal
Diverticula, Arachnoid
Diverticulas, Arachnoid
Intracranial Arachnoid Cyst
Intracranial Arachnoid Cysts
Leptomeningeal Cyst
Leptomeningeal Cysts
Intracranial or spinal cavities containing a cerebrospinal-like fluid, the wall of which is composed of arachnoidal cells. They are most often developmental or related to trauma. Intracranial arachnoid cysts usually occur adjacent to arachnoidal cistern and may present with HYDROCEPHALUS; HEADACHE; SEIZURES; and focal neurologic signs. (From Joynt, Clinical Neurology, 1994, Ch44, pp105-115)