Fig. 2From: Incisionless transcranial MR-guided focused ultrasound in essential tremor: cerebellothalamic tractotomyReproduction of pre- and postoperative spirals in bilaterally treated patient 1. a, b Preoperative spirals drawn with the right (a) and left (b) hands. c Right hand, 2 years postoperative. d Left hand, 1 year after the second treatmentBack to article page