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COMPARISON OF INTENSITY-MODULATED RADIOTHERAPY (IMRT) AND 3D TANGENTIAL BEAMS TECHNIQUE USED AT PATIENTS WITH BREAST CANCER

COMPARISON OF INTENSITY-MODULATED RADIOTHERAPY (IMRT) AND 3D TANGENTIAL BEAMS TECHNIQUE USED AT PATIENTS WITH BREAST CANCER

Author: Tatia Gonashvili, Ketevan Kotetishvili, Shalva Robitashvili
Abstract

Radiotherapy is one of the most effective treatments for breast cancer. Three-dimensional conformal radiotherapy (3D-CRT) and intensitymodulated radiotherapy (IMRT) are two recently developed radiotherapy techniques. IMRT is believed to be more effective than 3D-CRT in target coverage, dose homogeneity and reducing toxicity to healthy organs. However, these advantages have not been demonstrated in the treatment of breast cancer. This meta-analysis was performed to compare IMRT and 3D-CRT in the treatment of breast cancer in terms of dose-volume histograms and outcomes, including survival and toxicity.

Keywords: Oncology; radiotherapy; breast cancer; intensity-modulated radiotherapy (IMRT), three-dimensional conformal radiotherapy (3D-CRT); QA; dosimetry

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