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Application of high-resolution radiochromic film dosimetry in verifying a small-field stereotactic radiosurgery plan.

Lee KY, Fung KK, Kwok CS

Department of Health Technology and Informatics, The Hong Kong Polytechnic University, Hong Kong. kylee@alumni.polyu.edu.hk

A high-resolution radiochromic film dosimetry (Hr-RCFD) method has been applied to verify a small-field stereotactic radiosurgery (SRS) plan. This was done by exposing a RCF in a Perspex head phantom undergoing the same treatment plan as the patient. The dose distribution obtained by the Hr-RCFD was verified against that calculated by the stereotactic treatment planning system and the result was satisfactory. The Hr-RCFD method has been found to be an accurate and practical tool in verifying small-field SRS plans.

Published 9 June 2006 in Appl Radiat Isot, 64(8): 934-9.
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