Brain cavernomas are berry like, thin walled- vessel tangles within the brain tissue and they can be seen in all over the brain including cerebral hemispheres, basal ganglia, thalamus and brain stem. These abnormal vessel clusters may bleed and cause epilepsy, weakness, and seldomly life-threatining conditions (pons and thalamic cavernomas). MR is the golden standart in the diagnosis of cavernomas and they generally appear like ‘pop corn’ in T2-MR secans. Micro-neurosurgical removal of these lesions in experienced hands are generally very satisfying with almost no recurrence. Compared to AVMs and AVFs, blood flow and pressure in cavernomas are far less and surgery is the first and definitive treatment.