Contour Homework
Please review accompanying NRG BN001 protocol Sections 6.3 and 6.4 for guidance, as well as hippocampus contouring atlas at https://www.rtog.org/CoreLab/ContouringAtlases.aspx.

GTV1: T2/FLAIR signal abnormality inclusive of resection cavity and residual enhancing tumor
GTV1 on slices 94, 97, 100, 103, 106

CTV1:GTV1 plus 2cm margin anatomically confined around natural barriers to tumor growth such as the skull, dural boundaries, etc.
CTV1 on slices 94, 97, 100, 103, 106

GTV2: Resection cavity and residual enhancing tumor
GTV2 on slices 94, 97, 100, 103, 106

CTV2: GTV2 plus 2cm margin anatomically confined around natural barriers to tumor growth such as the skull, dural boundaries, etc.
CTV2 on slices 94, 97, 100, 103, 106

Right hippocampus: Hippocampus_R on slices 102, 105, 111, 114, 117

Optic chiasm: Slices 109 and 111

Optic nerves: Slices 111 and 116

(You may toggle between the fused postoperative post-contrast T1 and T2/FLAIR MR sequences)

Disabled Contours: ALL
Enabled Reference Contours: None

Resource Files:
09242017_01_CNS VG Vignette.pdf
VG BN001-protocol-master.pdf
EduCase User Guide

Homework:
On Slice 85 draw prostate fossa CTV and rectum
On Slice 70 draw prostate fossa CTV, rectum and bladder
On Slice 65 draw prostate fossa CTV, rectum and bladder
On Slice 40 draw prostate fossa CTV and bladder

Disabled Contours: All
Enabled Contours: None

Resource Files:
09252016 01 MZ (c3) Salvage Radiotherapy after Rising PSA S-P Prostatectomy.pdf
EduCase User Guide