Dose Course 2018_Flipping book

Other image possibilities

Cone beam CT images? ❑ Image quality of CBCT images << CT images

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HU

 HU

CT

CBCT

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Needs separate calibration

▪ CBCT sensitive to motion artifacts ❑ Hatton PMB 54 (2007): 20% dose errors for MV photons based on CBCT