Fig. 3From: Selective denervation of the corrugator supercilii muscle for the treatment of idiopatic trigeminal neuralgia purely paroxysmal distributed in the supraorbital and suprathrochlear dermatomesLateral CSM motor innervation resection. Lateral to the lateral, subcutaneous insertion of the CSM, a tunnel was dissected in the preseptal space between superficial temporal fascia and the subcutaneous tissue. In this space, motor fibers were cauterized via a bipolar coagulationBack to article page