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CONVENTIONAL CLINICAL PRESCRIPTION BASED ON DOSE POINTS; DOSE REPORTING IS
IDENTICAL TO PRESCRIPTION
Points at 5 mm from the applicator
surface
Prescription point: at the mid-point of active source length .................................................... 100%
Cylinder: Central apical point
....................................................................................................... >90%
Ovoids: apex 5mm from ovoid surface........................................................................................ >90%
Additional points
at other positions along the applicator ......................................................... 100%
(may be used for
dose optimization
avoiding the Havanna cigar effect…)
Clinical reporting
Applicator diameter
Treated length
Treatment time
Optional
: vaginal length
Dose to prescription point
In case prescription defined above is not used, the reference dose
at 5 mm from the surface
Surface dose at prescription point
Optional: doses at other points
Dose to rectum (ICRU point or D2cc)
Dose to bladder (ICRU point or D2cc)
In addition the physics parameters (e.g. type of source, source activity, dose rate, Al system) have to
be reported
Dose prescription and reporting recommendations for
vaginal vault brachytherapy
From THE GEC ESTRO HANDBOOK OF BRACHYTHERAPY | Part II: Clinical Practice