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Table 1 Volume comparison.

From: Decreased 3D observer variation with matched CT-MRI, for target delineation in Nasopharynx cancer

Target Volume

CTV el

CTV

Delineation phase

1

2

1

2

Mean Volume (cm3)

103

91

25

20

Standard Deviation (cm3)

33

21

9

5

  1. Mean Clinical Target Volume (CTV) and CTV elective (CTV el) comparison. First phase: delineation on CT; second phase: delineation on CT, registered MRI, forced use of sagittal reconstructions, and with improved guidelines. Standard deviations are quadratic averages from the volume standard deviation for each patient.
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Radiation Oncology

ISSN: 1748-717X

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