Gynae BT 2017

Initial CTV components: LR-CTV-T initial

Parametrium = the lateral extension of the uterine subserous connective tissue into the broad ligament

mary CTV:

round ligament

• GTV • Cervix • Parametria • Uterus • Upper Vagina • Involved organs

bowel loop

Nodal CTV:

• lymph-nodes and draining areas

www.contourpoint.com

Anatomical boundaries Anteriorly

Posterior wall of bladder/bowel loops or posterior border of external iliac vessel

Posteriorly Laterally Superiorly Inferiorly

Uterosacral ligaments and mesorectal fascia

Medial border of internal obturator muscle/ pelvic sidewall

Top of fallopian tube/ broad ligament

Depending on vaginal tumor extension, pelvic floor