Table of ContentsDefinition / general
Cite this page: Borys D Giant cystic arachnoid granulations. PathologyOutlines.com website. https://www.pathologyoutlines.com/topic/bonearachnoid.html. Accessed May 29th, 2020.
Definition / general
- Arachnoid granulations are pathway for drainage of cerebrospinal fluid from subarachnoid space into dural venous sinus system
- Typically produce small, well defined indentations of inner table of skull
- Giant cystic arachnoid granulations may present as destructive appearing osteolytic lesions, with CSF containing cysts (Hum Pathol 1993;24:438)