[en] Multiple malignant brain gliomas are a rare disease with an incidence according to different authors from 2.4% -10% of all gliomas. According to the characteristics of CT and MR, we divide multiple gliomas into multifocal, where from the primary tumor foci separate further foci through clear pathways and multi centric, separate tumor foci growing independently in more as a single site lacking a clear connection with each other and the path of spread. According to the time of occurrence of tumor foci was they are divided into early - synchronous and late - metachron.