Acute headache and seizures in psychiatric patient revealing atypical location of a ruptured dermoid cyst.

Intracranial dermoid cysts are rare slow-growing cystic lesions. They are frequently extra-axial, intra-axial localization is very rare. These benign congenital ectodermal inclusions cysts have a rare risk of rupture. Ruptured dermoid cysts can manifest with headache, epilepsy seizure, cerebral infarction, meningitis, and hydrocephaly. Neuroimaging features are quite characteristic. We report a case of a 30-year-old male who presented to the emergency room with subacute-onset headaches. CT scan and MRI show a ruptured intracranial dermoid cyst.