Table of ContentsDefinition / general
Cite this page: Giant cystic arachnoid granulations. PathologyOutlines.com website. http://pathologyoutlines.com/topic/bonearachnoid.html. Accessed December 15th, 2017.
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)