16 Cervix Carcinoma

Cervix Cancer 329

Fig 14.12: IGR method (continued 1) Fig 14.12.B: Clinical examples: Limited stage IIB proximal disease treated with external irradiation 20 Gy, brachytherapy 40 Gy and surgery.

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

40 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).