title: CAT scan appearance of arachnoid granulations: case report.
abstract: A case of unusually large arachnoid granulation involving the outer table of the skull is presented and the differential diagnosis of calvarial lesions encountered on routine brain CAT scans is discussed.
mesh_terms: D000368:Aged; D001099:Arachnoid / Q000000981:diagnostic imaging* / Q000473:pathology; D002493:Central Nervous System Diseases / Q000000981:diagnostic imaging; D003937:Diagnosis, Differential; D006801:Humans; D008297:Male; D012888:Skull Neoplasms / Q000000981:diagnostic imaging / Q000556:secondary; D014057:Tomography, X-Ray Computed