Volumetric Modulated Arc Radiotherapy for Early Stage Non-Small-Cell Lung Carcinoma: Is It Better Than the Conventional Static Beam Intensity Modulated Radiotherapy?

<table class="table-group" id="tab2"><tr><td><table class="table"><tr><td class="thead-hr" colspan="5"><hr/></td></tr><tr class="thead"><td align="left">Dose parameters</td><td align="center">C-IMRT</td><td align="center">SA-VMAT</td><td align="center">DA-VMAT</td><td align="center">ANOVA <br/><svg height="11.175" id="M30" style="vertical-align:-0.0pt" version="1.1" viewbox="0 0 10.9375 11.175" width="10.9375" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
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</svg> value</td></tr><tr><td class="thead-hr" colspan="5"><hr/></td></tr><tr><td align="left">Conformity index</td><td align="center">1.44 ± 0.25</td><td align="center">1.34 ± 0.18</td><td align="center">1.37 ± 0.18</td><td align="center">0.122</td></tr><tr><td align="left">Homogeneity index</td><td align="center">0.10 ± 0.01</td><td align="center">0.10 ± 0.02</td><td align="center">0.09 ±0.02</td><td align="center">0.468</td></tr><tr><td align="left"><svg height="15.4" id="M31" style="vertical-align:-3.3907pt" version="1.1" viewbox="0 0 34.987499 15.4" width="34.987499" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
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<g transform="matrix(.012,-0,0,-.012,13.712,15.187)"><path d="M797 0h-214v26q46 5 58 17.5t12 63.5v167q0 116 -88 116q-48 0 -112 -52q3 -18 3 -42v-195q0 -46 11 -58t53 -17v-26h-214v26q48 5 59.5 17t11.5 60v172q0 115 -88 115q-47 0 -109 -52v-235q0 -47 10 -59.5t48 -17.5v-26h-211v26q50 5 62.5 17t12.5 60v207q0 48 -9 59.5
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</svg> (Gy)</td><td align="center">65.5 ± 2.5</td><td align="center">66.0 ± 7.0</td><td align="center">65.8 ± 9.7</td><td align="center">0.985</td></tr><tr><td align="left"><svg height="15.4" id="M32" style="vertical-align:-3.39069pt" version="1.1" viewbox="0 0 40.849998 15.4" width="40.849998" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
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<g transform="matrix(.012,-0,0,-.012,13.712,15.187)"><path d="M797 0h-214v26q46 5 58 17.5t12 63.5v167q0 116 -88 116q-48 0 -112 -52q3 -18 3 -42v-195q0 -46 11 -58t53 -17v-26h-214v26q48 5 59.5 17t11.5 60v172q0 115 -88 115q-47 0 -109 -52v-235q0 -47 10 -59.5t48 -17.5v-26h-211v26q50 5 62.5 17t12.5 60v207q0 48 -9 59.5
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</svg> (Gy)</td><td align="center">60.0 ± 3.0</td><td align="center">60.3 ± 6.8</td><td align="center">60.5 ± 9.0</td><td align="center">0.983</td></tr><tr><td align="left"><svg height="15.25" id="M33" style="vertical-align:-3.27605pt" version="1.1" viewbox="0 0 33.837502 15.25" width="33.837502" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
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</svg> (Gy)</td><td align="center">54.5 ± 3.4</td><td align="center">54.6 ± 6.5</td><td align="center">55.2 ± 8.2</td><td align="center">0.958</td></tr><tr class="table-tr"><td colspan="5"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

Dose comparison among the 3 techniques for PTV.

Journal of Radiotherapy

tab2

Table 2

Table 2: Volumetric Modulated Arc Radiotherapy for Early Stage Non-Small-Cell Lung Carcinoma: Is It Better Than the Conventional Static Beam Intensity Modulated Radiotherapy? 

Table 2 | Volumetric Modulated Arc Radiotherapy for Early Stage Non-Small-Cell Lung Carcinoma: Is It Better Than the Conventional Static Beam Intensity Modulated Radiotherapy? 