Gynae BT 2017

Imaging protocols MRI and CT Key issues when using MRI for IGABT Improvement with specific protocol

Parasagittal orientation

PLANE

COVERAGE-BORDERS

T2 axial

discus L5

inferior border of symphysis pubis

T2 sagittal

pelvic wall (obturator muscle)

pelvic wall (obturator muscle)

Paratransverse orientation

T2 frontal or frontal oblique

entire uterus - cervix - vagina - tumor

Axial

Sagittal

Frontal

Paracoronal orientation

Slice orientation parallel/orthogonal to applicator axis

GEC-ESTRO HANDBOOK OF BRACHYTHERAPY