title: [Cystic meningioma. 3 cases].
abstract: The association of a meningioma and an arachnoid cyst is one of the many association of cyst and meningioma. The diagnosis could be difficult by CT scan. We report three cases of parameningiomal cysts and discuss their different mechanism of formation before stressing practical problems.
mesh_terms: D000328:Adult; D001099:Arachnoid; D003560:Cysts / Q000000981:diagnostic imaging*; D005260:Female; D006801:Humans; D008297:Male; D008577:Meningeal Neoplasms / Q000000981:diagnostic imaging*; D008579:Meningioma / Q000000981:diagnostic imaging*; D009378:Neoplasms, Multiple Primary; D014057:Tomography, X-Ray Computed
vernacular_title: Les méningiomes kystiques. 3 observations.