218 / 1224
Regarding QA imaging in brachytherapy, please point the
wrong
statement
A. Most convenient: contouring, catheter reconstruction and calculation on
the same image set.
B. CT, when used in intraoperative prostate, has the problem that the
electronic density can not be obtained.
C. MRI has excellent soft tissue definition. The distortion must be
evaluated.
D. Society Recommendations are available to perform QA/QC of all these
image modalities
.