Basic treatment patients with Parkinson's disease (PD - Parkinson's disease) or essential tremor (ET - essential tremor) is a pharmacotherapy. In the case of lack of its effectiveness, the gold standard procedure is deep brain stimulation (DBS). Despite the proven efficacy, still remains a group of patients not eligible for this treatment. in such cases, ablation within the deep structures of the brain (thalamotomy, subthalamotomy, pallidotomy) can be considered.