Gamuts
Hyperdense basilar cisterns
May Be Caused by
Common
Intrathecal contrast
Subarachnoid hemorrhage
Uncommon
Bromism
Coccidioidomycosis
Cryptococcosis
Epidermoid
Lymphoma
Melanoma
Meningeal calcification
Meningioma
Polycythemia
Postischemic meningeal hypervascularity
Sarcoidosis
Tuberculosis