Article Clinical Rating Scale for Tremor MR-guided focused ultrasound Parkinson disease Parkinson's disease (PD) adult age aged balance impairment dysmetria essential tremor essential tremor (ET) female focused ultrasound (FUS) focused ultrasound thalamotomy follow up human major clinical study male medical assessment medical record review middle aged motor dysfunction assessment musculoskeletal system parameters nuclear magnetic resonance imaging patient safety postoperative period preoperative evaluation retrospective study sensory dysfunction