Dose to points
•
Traditional Brachy Systems:
•
Paris “System”: a set of rules to obtain suitable dose
distributions.
•
For different regular source patterns, basal points are
defined in regions of dose plateau or minimum
•
In HDR it evolved to Steeping Source Dosimetry System
(SSDS) (
Van der Laarse 1997
)
•
Adopted by
ICRU 58