title: Needle scope attached to stereotactic frame for inspection of cisterna magna during percutaneous radiofrequency trigeminal tractotomy.
abstract: Use of a fiber optic needle scope attached to the Todd-Wells stereotactic unit has facilitated electrode placement during percutaneous trigeminal tractotomy.
mesh_terms: D002946:Cisterna Magna; D005336:Fiber Optic Technology / Q000295:instrumentation*; D006801:Humans; D008526:Medulla Oblongata; D009339:Needles; D055100:Optical Fibers; D011846:Radio Waves; D013238:Stereotaxic Techniques / Q000295:instrumentation*; D014276:Trigeminal Nerve / Q000601:surgery*