Gamma Knife 3-D dose distribution near the area of tissue inhomogeneities by normoxic gel dosimetry

The accuracy of the Leksell GammaPlan®, the dose planning system of the Gamma Knife Model-B, was evaluated near tissue inhomogeneities, using the gel dosimetry method. The lack of electronic equilibrium around the small-diameter gamma beams can cause dose calculation errors in the neighborhood of an...

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