Atypical meningioma is often treated adequately by complete surgical resection and subsequent radiation therapy. Nevertheless, radiation therapy should be reassessed in the management of younger patients and particularly in individuals harboring NF2 genetic mutation. To the best of our knowledge this is the third case of post radiation transformation of atypical meningioma in an adolescent male after reviewing the available English literature. Kew wards: Post radiation, atypical meningioma, transformation, sarcomatous meningioma, NF2 mutation.