Translational and rotational localization errors in cone-beam CT based image-guided lung stereotactic radiotherapy

Highlights • We determined localization and residual errors for 57 lung SBRT using CBCT. • Translational and rotational errors were detected using ITV/CBCT matching technique. • The automatic 6D correction with the robotic couch increased localization accuracy. • 5 mm safety margin to the ITV result...

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Veröffentlicht in:	Physica medica 2016-07, Vol.32 (7), p.859-865
Hauptverfasser:	Garibaldi, Cristina, Piperno, Gaia, Ferrari, Annamaria, Surgo, Alessia, Muto, Matteo, Ronchi, Sara, Bazani, Alessia, Pansini, Floriana, Cremonesi, Marta, Jereczek-Fossa, Barbara Alicja, Orecchia, Roberto
Format:	Artikel
Sprache:	eng
Schlagworte:	Adult Aged Aged, 80 and over Cone-Beam Computed Tomography Female Four-Dimensional Computed Tomography Humans Image-guided radiotherapy Lung Neoplasms - diagnostic imaging Lung Neoplasms - radiotherapy Lung SBRT Male Middle Aged Radiology Radiosurgery Radiotherapy Planning, Computer-Assisted Radiotherapy Setup Errors Radiotherapy, Image-Guided Rotation Translational and rotational localization error
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Zusammenfassung:	Highlights • We determined localization and residual errors for 57 lung SBRT using CBCT. • Translational and rotational errors were detected using ITV/CBCT matching technique. • The automatic 6D correction with the robotic couch increased localization accuracy. • 5 mm safety margin to the ITV resulted adequate using the automatic 6D correction.
ISSN:	1120-1797 1724-191X
DOI:	10.1016/j.ejmp.2016.05.055