Intracranial gyriform calcification associated with subarachnoid fat.

Intracranial convolutional or gyriform calcification simulating Sturge-Weber syndrome has been described in association with bacterial and viral intracranial infection as well as irradiation and intrathecal methotrexate for central nervous system leukemia. Reported is a case of gyriform calcification caused by chemical meningitis secondary to subarachnoid fat from an epidermoid tumor.