Dosimetric Comparisons of Volumetric Modulated Arc Therapy and Tomotherapy for Early T-Stage Nasopharyngeal Carcinoma

<div>Dose distributions of a typical case planned by RapidArc (upper) and HT (lower). The red, yellow, and orange lines are isodose curves of 70.4Gy (prescription dose of PGTVnx/ PGTVnd), 60.8Gy (prescription dose of PTV1), and 51.8Gy (prescription dose of PTV2), respectively. The blue, green, and black lines represent the contours of PGTVnx/ PGTVnd, PTV1, and PTV2, respectively.</div>

BioMed Research International

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Figure 1

Figure 1: Dosimetric Comparisons of Volumetric Modulated Arc Therapy and Tomotherapy for Early T-Stage Nasopharyngeal Carcinoma 