Abstract
4DCT is routinely used in the treatment planning of moving targets. 4D scanning provides information essential for planning, specifically the size, shape and location of the target and organs at risk as a function of respiratory phase. 4D scanning also provides quantitative data on radiological pathlength needed for radiation dose calculations. The amount of scan data has increased by a factor of ∼10 over helical scans. Given the role of 4DCT in aperture design and dose calculation, it is important to analyze how accurately this scanning technique provides quantitative data and what the sources of uncertainty are. The learning objectives of this talk include: 1. Understand methods of 4DCT reconstruction commonly used today 2. Describe the residual artifacts in 4DCT due to irregularities in respiration 3. Describe advances in visualization that
Sign-in/Register to access full text options 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a call
