Abstract:Purpose-The objective of this work is to characterize and quantify the impact of respiratoryinduced prostate motion. Methods and Materials-Real-time intrafraction motion is observed with the Calypso 4dimensional nonradioactive electromagnetic tracking system (Calypso Medical Technologies, Inc. Seattle, Washington). We report the results from a total of 1024 fractions from 31 prostate cancer patients. Wavelet transform was used to decompose the signal to extract and isolate the respiratory-induced prostate moti… Show more
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