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Remarks

Entrance and/or exit dose in vivo dose measurements still a valid method

for QC of the delivered dose at one point

Limitations of point detectors on the surface of the patient for IMRT

techniques, SBRT…

Need of solutions:

Implantable detectors (point dose inside the

area of interest)

EPIDs (2D information, labour intensive,

need

of dose calculation algorithms)

Transmission chambers+conebeam CT

[need

of dose calculation algorithms]

NEED TO KNOW THE DELIVERED AND NOT THE PLANNED

DOSE TO EVALUATE THE SUCCESS OF A TREATMENT.