Clinical characteristics and risk factors of cerebral cavernous malformation related epilepsy

•Seizure is the most common clinical presentation of CCM.•The most common seizure type of CRE was focal to bilateral tonic-clonic seizure.•Cerebral cavernous malformation (CCM) lesions of CRE patients were mostly located in the temporal lobe.•Patients with CCM diagnosis age ≤ 44 years had a higher risk of CRE.•Temporal lesion, cortical involvement, and hemosiderin rim around the lesion were risk factors of CRE.