Abstract:This paper aims to compare the dosimetric parameters of the original plan and the simulated plan to explore the clinical value of cone beam CT and planned CT image registration based on the target area. The results showed that Dmax, Dmin, dmean and V60 of PTV in the original plan were (108.3 ± 1.1)%, (97.2 ± 0.3)%, (102.6 ± 0.6)% and (95.2 ± 0.6)% respectively. The Dmax of spinal cord was (9.6 ± 1.8) gy, the V20 of lung was (5.2 ± 1.9)%, and the dmean of lung was (− 3.7 ± 1.5) gy; however, when the target area… Show more
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