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Conclusion: MVCT/MV CBCT
Geometric accuracy:
MV CT: Mechanical rigidity of the system minimizes
geometrical uncertainties.
MV CBCT: Geometrical uncertainties are quantified and
included in projection matrices and filtered back projection
algorithm.
Image quality:
Adequate for all systems
MV CT and CBCT ready to be used for dose calculations
30
ESTRO IGRT 2008
Patient dose:
Depends on what you ask for.