Concepts in Magnetic Resonance Part A, Bridging Education and Research / 2019 / Article / Tab 2

Research Article

Evaluation of the Impact of Magnetic Resonance Imaging (MRI) on Gross Tumor Volume (GTV) Definition for Radiation Treatment Planning (RTP) of Inoperable High Grade Gliomas (HGGs)

Table 2

Volumetric comparison of GTVs defined by CT-simulation images only, CT-simulation and MR images, and consensus of the treatment team.

Imaging data used for GTV definitionMedian % increase in GTV based on CT-simulation images only with incorporation of MRI in target definition (range)Median % increase in GTV based on CT-simulation images only with incorporation of consensus of the treatment team (range)Median % decrease in GTV based on CT-simulation and MR images with incorporation of consensus of the treatment team (range)
CT-simulation images onlyCT-simulation and MR imagesConsensus of the treatment team

Median GTV in cc (range) 65.3 (39.6-94.3) cc76.1 (46.8-108.9) cc75.7 (46.3-108.5) cc12.61% (6%-19%)
p < 0.05
12.11% (5.6%-18.63%)
p < 0.05
0.49% (0.37%-0.95%)
p > 0.05

We are committed to sharing findings related to COVID-19 as quickly as possible. We will be providing unlimited waivers of publication charges for accepted research articles as well as case reports and case series related to COVID-19. Review articles are excluded from this waiver policy. Sign up here as a reviewer to help fast-track new submissions.