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A T1 three-dimensional view of a final plan. (A) Coronal, sagittal, and axial views of the 4-mm shot placed in the right trigeminal nerve in the retrogasserian area. (B) Coronal, sagittal, and axial views of the 4-mm shot placed in the contralateral mesial regions of the thalamus. The green isodose line corresponds to 50% of the dose prescribed; the light blue isodose line corresponds to the dose gradient or 25% of the dose prescribed.
