Why the study?
Planning CT fails to capture the true margins of cardiac substructures during periodic cardiac movement, necessitating quantification of dynamic changes and compensatory margins using 4D-MRI to reduce radiation-induced heart disease.
Key points are not available for this paper at this time.
Comparison
Heart and substructure displacement measured via breath-hold ECG-gated 4D-MRI fusion volume vs planning CT
Design
Imaging study
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4D-MRI may refine cardiac substructure margins in radiotherapy planning; leaves open whether this reduces RIHD.
Yang et al. (2023) studied this question.
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