Both four-dimensional computed tomography and four-dimensional cone beam computed tomography under-predict lung target motion during radiotherapy

•4DCT and 4DCBCT under-predict treatment lung target motion ranges.•4DCT under-predicts target motion by factors of 1.7–1.9 and 4DCBCT by factors of 1.5–1.6.•4DCBCT shows higher correlations with target motion than 4DCT.•4DCT and 4DCBCT motion measurements should be interpreted carefully. To test th...

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Veröffentlicht in:	Radiotherapy and oncology 2019-06, Vol.135, p.65-73
Hauptverfasser:	Steiner, Elisabeth, Shieh, Chun-Chien, Caillet, Vincent, Booth, Jeremy, O'Brien, Ricky, Briggs, Adam, Hardcastle, Nicholas, Jayamanne, Dasantha, Szymura, Kathryn, Eade, Thomas, Keall, Paul
Format:	Artikel
Sprache:	eng
Schlagworte:	Algorithms Computer Simulation Cone-Beam Computed Tomography - methods Four-dimensional computed tomography Four-Dimensional Computed Tomography - methods Four-dimensional cone-beam computed tomography Humans Intrafraction motion Lung - diagnostic imaging Lung - physiopathology Lung Neoplasms - diagnostic imaging Lung Neoplasms - physiopathology Lung Neoplasms - radiotherapy Lung stereotactic ablative body radiotherapy Lung stereotactic body radiotherapy Predictive Value of Tests Radiosurgery - methods Radiotherapy Planning, Computer-Assisted - methods Respiratory Mechanics Respiratory motion
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