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Fig. 6. Application of virtual simulation in performing the Gasserian ganglion block. (A, B) Three-dimensional virtual procedural planning. The virtual needle is placed at the most appropriate position with reference to the right foramen ovale. (C) Caudal tilted anteroposterior view of the virtual X-ray image is saved where the needle presented as a pinpoint. (D) Lateral view of the simulated virtual X-ray. (E) The patient’s X-ray image in the caudal tilted anteroposterior view during the procedure. (F) The patient’s X-ray image in the lateral view during the procedure. White asterisk: needle, Dotted lines: contour of anatomical structures.
Korean J Pain 2022;35:403~412 https://doi.org/10.3344/kjp.2022.35.4.403
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