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Table 2 Comparisons of the DVH-based parameters for targets in the present study (n = 10).

From: Dosimetric comparison using different multileaf collimeters in intensity-modulated radiotherapy for upper thoracic esophageal cancer

Targets

MLC leaf width

 

10 mm

4 mm

p value

Pgtv

   

   Dmax

7056.1 ± 127.2

6996.3 ± 88.9

0.24

   Dmin

6035.5 ± 113.7

6132.2 ± 107.4

0.06

   Dmean

6495.2 ± 39.0

6491.1 ± 30.4

0.44

PTV

   

   Dmean

5478.5 ± 78.4

5489.2 ± 64.3

0.74

  1. DVH: dose volume histogram; MLC: multileaf collimator; Pgtv: planning gross target volume; PTV: planning target volume; Dmax, Dmin and Dmean: the maximum, minimum and average irradiation dose of the targets received.
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Radiation Oncology

ISSN: 1748-717X

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