16 Cervix Carcinoma

330 Cervix Cancer

Fig 14.12: IGR method (continued 2) Fig 14.12.B: Clinical examples: 2). Locally extended stage III disease treated with external irradiation 45 Gy, and brachytherapy 15 Gy. Fig 14.12

At the time of brachytherapy lateral with the applicator in place Anterior-Posterior (A) and (B) radiographs are taken. GTV is delineated.

15 Gy reference isodose (60 Gy reference volume): frontal plane (C), sagittal plane (D), The black arrows indicate where the dimensions of the 60 Gy reference volume are measured: Width, Height and Thickness Shape and Surface of the 60 Gy reference volume (E)