Fig. 1From: Delayed presentation of primary parenchymal arachnoid cyst in adult population: a rare location of a common cyst—case report and review of the literaturea MRI (axial) T1W shows a hypointense cystic lesion at the left posterior frontal area. b MRI (axial) T2W shows lesion was hypertense. c MRI (contrast) revealed no enhancement of the wall. d MRI (coronal) T2W shows no communication with lateral ventricle. e MRI T1W (coronal) contrast shows solitary cystic lesion without communication with subarachnoid space. f MRI T1W (sagittal) contrast shows thin rim of cerebral cortex between subarachnoid space and cyst wallBack to article page