Fig. 4From: Selective denervation of the corrugator supercilii muscle for the treatment of idiopatic trigeminal neuralgia purely paroxysmal distributed in the supraorbital and suprathrochlear dermatomesMedial CSM motor innervation resection. Medial to the medial insertion of the CSM and the supratrochlear pedicle, dissection was carried out to identify the medial motor inervation of the CSM. Medial motor branches to the CSM were dissected and cauterized via bipolar coagulationBack to article page