Abstract
3D Modeling for Comparison of Surgically Treated Intracranial Arachnoid Cysts in Children
Highlights
Arachnoid cysts (AC) are benign, fluid-filled lesions of the arachnoid membrane, most often congenital, accounting for approximately 1% of intracranial lesions
This study finds significantly greater decreases in cyst volume and greater post-surgical symptom improvement/ resolution with cyst fenestration in older pediatric patients, suggesting support for surgical intervention in these patients
Especially infants, changes in CSF dynamics result in minimal cyst decrease following fenestration and a significant role for shunts
Summary
Arachnoid cysts (AC) are benign, fluid-filled lesions of the arachnoid membrane, most often congenital, accounting for approximately 1% of intracranial lesions. AC typically remain stable, but spontaneous disappearance and growth has been noted [4], as well as rupture into the subdural, extradural, or intracystic space [1,2,3,4,5]. While many ACs remain asymptomatic, general symptoms can include headache, hydrocephalus, skull deformities, macrocrania, focal neurologic disorders, endocrine dysfunction, and cognitive disorders [6,7,8,9]. Previous work utilizing 3D modeling in AC has been limited in follow-up, and objective patient improvement correlated to cyst size has been inconclusive [13,14]
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