1012 / 1778
➢
Largest variation cranial and lateral in ‘folds’ and ligament
structures
➢
Pathology study shows that 95% of lymph vessels are
located in superficial 3 mm of vaginal tissue.
Consensus for study:
•
Cylinder 3 mm ‘ring’ expansion, where necessary further
expansion
•
Include ‘vaginal folds’ to document dose in folds
•
Exclude: ligament structures cranially; air, fluid
Nout, et al. GEC-
ESTRO
2011; Choo et al. Brachytherapy 2005
MRI: cylinder