Gynae BT_Lucknow_2018

Optimization volume: o Homogen

o Homogen = Homogen cropped with 1 cm to PTV-N(#). Purpose: To avoid dose higher than 103% of 45Gy .

Especially around bladder, rectum and sigmoid hot area should be avoided, because in the homogen area brachy dose is added to the external beam dose.

o Homogen

Homogen

PTV-N(#)

Courtesy : Marianne S Assenholt