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Page Background

Vaginal cancer: image-guided adaptive

brachytherapy (IGABT)

CTV

IR

:

safety margin for presumed adjacent significant

microscopic disease

Integrates initial tumor extension at diagnosis (

GTV

init

)

Includes the

CTV

HR

plus an isotropic margin of

minimal 5 mm

limited by previously unaffected anatomical borders/compartments:

pubic bone, pelvic wall, pelvic floor musculature, bladder, urethra,

mesorectal fascia, rectum, anal sphincter

In case of infitration of hollow organs (rectum, urinary bladder)

before radiochemotherapy only the organ wall without the lumen

should be included