Effects of bone-and air-tissue inhomogeneities on the dose distributions of the Leksell Gamma Knife r calculated with PENELOPE


Monte Carlo simulation with PENELOPE (v. 2003) is applied to calculate Leksell Gamma Knifer dose distributions for heterogeneous phantoms. The usual spherical water phantom is modified with a spherical bone shell simulating the skull and an air-filled cube simulating the frontal or maxillary sinuses. Different simulations of the 201 source configuration of… (More)

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