Three-dimensional dosimetry of the full and empty bladder in high dose rate vaginal cuff brachytherapy.

Objectives: The objectives of the study were to assess the bladder doses during vaginal cuff brachytherapy and to examine the effect of bladder filling on normal tissue dosimetry by means of computed tomography.

Materials And Methods: A total number of 45 women were enrolled in a prospective clinical trial. Patients were treated with the application of a single-line source vaginal cylinder.