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Summary : Vaginal and Vulval implants
Cylinder
Cylinder + N Cylinder+T+N MUPIT
Free Hand
Vulval
Implant
Implant Type
IC
IC+IS
IS
Reconstruction
Central Tandem, Needles (offset), numbering of
needles is important.
Needles, same
length,
numbering
important.
Plastic
Catheters,
Crowded, color
code the
catheters
Source
activation
MRI - CTV is delineated, CT - Markers as surrogates / Clinical Examination
Dose points
Catheter based points from the applicator
surface
Basal points
Optimization
Dose Point Optimization
Geometric Optimization
Evaluation
Uniformity not an issue,
Caution: Hyper dose sleeve should be within the
cylinder, and just around the needles, not
compromising the target coverage.
DHI > 0.75-0.8
Tips
Template –
Geometry not
an issue
Free Hand,
Geometry will
be an issue.
Caution.