319 / 1031
Treatment preparation
problems/challenges
• scan artefacts (MRI: geometrical distortions....)
• patient movement / organ motion during scan
(also possible in hybrid systems)
diff
t
i
iti
i diff
t i
i
d liti
•
eren scann ng pos ons n eren mag ng mo a es
• no use of fixation mask in MRI / PET
• different table tops
• ......