Bone
Non-neoplastic or metabolic disease
Giant cystic arachnoid granulations

Author: Dariusz Borys, M.D. (see Authors page)

Revised: 5 October 2016, last major update June 2012

Copyright: (c) 2003-2016, PathologyOutlines.com, Inc.

PubMed Search: Giant cystic arachnoid granulations
Table of Contents
Definition / General
Cite this page: Giant cystic arachnoid granulations. PathologyOutlines.com website. http://www.pathologyoutlines.com/topic/bonearachnoid.html. Accessed December 6th, 2016.
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)