Abstract #1482
First clinical lung MRI using an Active Breathing Coordinator
Evangelia Kaza 1 , David J Collins 1 , Richard Symonds-Tayler 1 , Fiona McDonald 2 , Helen A McNair 3 , Erica Scurr 2 , Dow-Mu Koh 2 , and Martin O Leach 1
1
CR-UK Cancer Imaging Centre, Institute of
Cancer Research London and Royal Marsden Hospital,
London, United Kingdom,
2
The
Royal Marsden NHS Foundation Trust, London, United
Kingdom,
3
Department
of Radiotherapy, Royal Marsden NHS Foundation Trust and
Institute of Cancer Research, Sutton, United Kingdom
An MR compatible Active Breathing Coordinator (ABC)
system was applied for the first time for MRI of lung
cancer patients using the same lung volumes and
positioning as for radiotherapy planning. The
morphological and functional MR images acquired under
ABC control were compared with analogous CT images using
radiotherapy treatment planning software. There was very
good MR-CT intermodality tumour and organ position
reproducibility, thus demonstrating the clinical
potential of MR-ABC. Continuous MRI with simultaneous
acquisition of ABC respiratory volume curves can
additionally inform tumour motion tracking and Fourier
Decomposition Analysis (FDA).
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