Table 2 GTV and CTV definition for SRT
From: Target volume delineation for radiotherapy of meningiomas: an ANOCEF consensus guideline
Included structures | RAND/UCLA method | ANOCEF consensus guideline | |||
|---|---|---|---|---|---|
1st round | 2nd round* | 3rd round | |||
GTV | Nodular enhancement | Appropriate | Appropriate | - | Appropriate |
Thickened meninges | Appropriate | Appropriate | - | Appropriate | |
Directly invaded bone | Appropriate | Appropriate | - | Appropriate | |
CTV | Margin around nodular enhancement | Inappropriate | Inappropriate | - | Inappropriate |
Margin along normal meninges | Inappropriate | Inappropriate | - | Inappropriate | |
Tumor bed | Uncertain | Uncertain | Inappropriate | Inappropriate | |
Margin around tumor bed | Inappropriate | Inappropriate | - | Inappropriate | |
Margin in healthy bone | Inappropriate | Inappropriate | - | Inappropriate | |
Hyperostosis | Inappropriate | Inappropriate | - | Inappropriate | |
Peritumoral edema | Inappropriate | Inappropriate | - | Inappropriate | |
Cranial flap | Inappropriate | Inappropriate | - | Inappropriate | |
Venous sinus | Inappropriate | Inappropriate | - | Inappropriate | |
Other vascular structures (arteries) | Inappropriate | Inappropriate | - | Inappropriate | |
Optic nerve | Inappropriate | Inappropriate | - | Inappropriate | |
Cranial nerves | Inappropriate | Inappropriate | - | Inappropriate | |