10 General Aspects of Head and Neck Brachytherapy

General Aspects of Head and Neck Brachytherapy

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THE GEC ESTROHANDBOOKOF BRACHYTHERAPY | Part II Clinical Practice Version 1 - 30/01/2019

Fig 1. Typical CTV of a pT2N0 squamous cell carcinoma of the left border of the tongue treated with a wide excision and found to be candidate for postoperative irradiation due to close surgical margins. Left image: typical double-plane 192 Ir HDR implant with 8 afterloading catheters covers the CTV with the 150% (white), 100% (red), 50% (yellow) and 25% (blue) isodose lines. Right image: Volumetric Arc Radiation Therapy (V-MAT) with the 100%, 50% and 25% isodose lines using the same color panel as in the former case (Prepared by Haizea Etxebarria, RTT & Dosimetrist, University of Navarre).

Fig 2. Anatomy of the Oral Cavity. Taken from http://anatomymedicalook.com

Fig 3. Sagittal View of the Anatomy of the Oral Cavity and Oropharynx. Taken from http:// anatomymedicalook.com