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Introduction:
MRI – why, where, when?
•
Traditional planning procedures use CT images
to calculate dose distribution.
•
This is because extraction images process of CT
is based on X-rays interaction with matter
•
The
informations
that CT can give for
planning are of
three types:
➢
Geometry
➢
Density
Electron density maps
➢
Atomic number
Dose distribution
calculation