European Journal of Molecular & Clinical Medicine,
2020, Volume 7, Issue 3, Pages 1658-1661
AbstractWith the greater worldwide availability of neuroimaging, more arachnoid cysts are being found in all age groups. A subset of these lesions become symptomatic and requires neurosurgical management. The clinical presentations of arachnoid cyst vary from asymptomatic to extremely symptomatic.
Arachnoid cysts are non-neoplastic, intracranial cerebrospinal fluid (CSF)-filled spaces lined with arachnoid membranes. Large arachnoid cysts are often symptomatic because they compress surrounding structures; therefore, they must be treated surgically. As several surgical management options exist, we explore the best approach according to each major type of arachnoid cyst: middle cranial fossa cyst, suprasellar cyst, intrahemispheric cyst, and quadrigeminal cyst. 
Arachnoid cysts are benign space-occupying brain lesions that contain cerebrospinal fluid. Most cases are congenital in origin, caused by failed fusion of the arachnoid membrane early in fetal development. Cases are often incidentally detected on neuroimaging; however, rarely patients present with neuropsychiatric manifestations when cysts expand and cause a midline shift, compression of nearby brain tissue or cerebrospinal fluid compartments or both. 
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