Effects of the MR-DTI Characteristics of the Trigeminal Ganglion Target on Radiofrequency Treatment in Patients with Trigeminal Neuralgia: A Retrospective Observational Clinical Study

Figure 3

Three-dimensional computed tomography reconstruction images in the operational view. (a) The transverse diameter of the FO was 4.8 mm, and the anterior-posterior diameter was 2.0 mm. The image on the right shows a magnification of the FO from the left. (b) A 3D-printed model shows the shape of the FO and PPR from an interior view of the skull base. (c) We removed part of the PPR obstructing the FO through the mandibular notch, ensuring the integrity of the FO boundary. The transverse diameter was changed to 5.5 mm. The image on the right shows a magnification of the FO from the left.

(a)

(b)

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