Importance

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Abstract

Stereotactic radiosurgery is facilitated by a technique for computing the doses at various points within the patient's body. In particular, the doses are computed at a relatively high density of points within a fine dose grid and at a relatively low density of points within a coarse dose grid. In that fashion, the user can quickly obtain necessary information about the radiation dose distribution before implementation of a proposed treatment plan. An advantageous technique of locating the intersection between the radiation beam and the contour or other surface of the patient is also provided. The method is especially well suited for use with a particular structure which allows one to utilize relatively narrow beam widths as a result of great mechanical accuracy.

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First Claim