[Neuropsychological signs in patients with arteriovenous malformations, cavernomas and hematomas of cerebellum].

: Neuropsychological assessment was performed in 13 patients with arteriovenous malformations and 12 with cavernomas and hematomas of cerebellum before and after surgery. In all patients we identified syndromes that were similar to the damage of different areas of neocortex (predominately frontal lobe). Apraxia and disturbance of verbal memory were the most frequent signs. Half of patients after AVM embolization and all patients after direct surgery developed deterioration of verbal memory. Some patients after manipulations on right cerebellar hemisphere had micrography and perseverations. There were no severe mental disorders neither before nor after surgery. That was controversial to other similar studies. The most severe cognitive disorders were found after surgery on superior cerebellar artery and its branches.