482 / 1542
6/3/2017
Case where IMRT is only option for a curative dose, 66Gy.
Malignant peripheral nerve sheath tumour (MPNST) (NF1 negative) infiltrating the
vertebral body and encasing the spinal cord
15
Conformal Radiotherapy
Computer Tomography (CT)
Intensity
Modulation
Target
Projection
Detectors
Radiation
Source
Radiation
Source
IMRT – the concept of ”inverse planning”
CT:
From multiple projections a
2D/3D image is formed
16