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Table 1 ABTC guidelines for target definition

From: Patterns of failure for glioblastoma multiforme following limited-margin radiation and concurrent temozolomide

Target volume

Definition

GTV1

T1 enhancing and non-enhancing tumor volume (T2 or FLAIR)

GTV2

T1 enhancing tumor volume

CTV1;2

GTV plus a margin of 5 mm

PTV1;2

CTV plus a margin of 3–5 mm

  1. Note: GTV volume is based on postoperative day 0–1 MRI. GTV, Gross Tumor Volume; CTV, Clinical Target Volume; PTV, planning target volume; ABTC, Adult Brain Tumors Consortium.
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Radiation Oncology

ISSN: 1748-717X

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