The diagnostic value of hyperostosis in midline subfrontal meningioma.
Roentgenologic analysis of 66 patients with proved midline subfrontal meningioma indicates a very high incidence of hyperostosis. A total of 63 patients (95%) showed varying degrees of hyperostosis involving the cribiform plate, planum sphenoidale, or tuberculum sellae (including the chiasmatic sulcus). The planum sphenoidale is the most common site of hyperostosis (59%). In 19 cases (29%), the region of hyperostosis did not correspond to the site of tumor attachment. Mild or localized hyperostosis may be apparent only on tomograms. Small "blistering" and "saw-tooth-like" osteoma formation are reliable early signs of midline subfrontal meningioma; conversely, midline subfrontal meningioma can be virtually ruled out if hyperostosis is absent.
D000328:Adult; D000368:Aged; D001932:Brain Neoplasms / Q000150:complications / Q000000981:diagnostic imaging*; D002533:Cerebral Angiography; D005096:Exostoses / Q000150:complications / Q000000981:diagnostic imaging*; D005260:Female; D006801:Humans; D008579:Meningioma / Q000150:complications / Q000000981:diagnostic imaging*; D008875:Middle Aged; D010016:Osteoma / Q000000981:diagnostic imaging; D011011:Pneumoencephalography; D012886:Skull / Q000000981:diagnostic imaging*; D012888:Skull Neoplasms / Q000000981:diagnostic imaging; D014056:Tomography, X-Ray