Hover on/off image to show/hide findings
Tap on/off image to show/hide findings
Meningioma - Post-contrast CT scan This axial CT slice shows a uniformly enhancing mass in the posterior fossa The mass is closely applied to the meninges posteriorly (Same patient as image below)
Hover on/off image to show/hide findings
Tap on/off image to show/hide findings
Meningioma - Post-contrast CT scan (Same patient as image above) A coronal image shows more clearly the close proximity of the enhancing mass to the meninges (falx and tentorium) Clinical information Postural headaches Cerebellar signs - unsteadiness and nystagmus
Hover on/off image to show/hide findings
Tap on/off image to show/hide findings
Meningioma - pre-contrast v post-contrast Before contrast is given this meningioma is barely visible Post-contrast it enhances brightly and its location next to the meningeal surface (falx) is clearly seen Cerebral oedema - black area next to the meningioma (asterisk ) - is a finding often associated with a large meningioma Clinical information Headaches - worse in the morning Loss of balance Increasingly irritable Increased tone on the right
Hover on/off image to show/hide findings
Tap on/off image to show/hide findings
Meningioma - calcified This meningioma is heavily calcified and so is dense enough to be visible pre-contrast Calcification is a common finding in long-standing meningiomas Clinical information The CT scan was performed to investigate the cause of cognitive decline - see the white matter low density (asterisks ) indicating chronic small vessel disease The meningioma was asymptomatic