1. MOLECULAR RADIATION SCIENCES
RADIATION ONCOLOGY &
MOLECULAR RADIATION SCIENCES
Consensus Guidelines for Post-Operative Stereotactic Body Radiation Therapy for Malignant Spine Tumors: Results of an International Survey
Kristin J. Redmond, S. Lo, E. Chang, P. Gerszten, S. Chao, L. Rhines,
S. Ryu, M. Fehlings, I. Gibbs, A. Sahgal

2. Contouring guidelines
GTV: Post-operative residual based on MRI
CTV: Entire extent of pre-operative tumor & anatomic compartment plus residual disease. Hardware and scar not included
PTV: Controversial (range 0-2 mm)

3. Contouring guidelines
GTV: Post-operative residual based on MRI
CTV: Entire extent of pre-operative tumor & anatomic compartment plus residual disease. Hardware and scar not included
PTV: Controversial (range 0-2 mm)

4. Prescription doses
No prior RT, 1 vertebra, no epidural disease: Gy x 1
No prior RT, multiple vertebrae or epidural disease: Gy x 1, 12 Gy x 2, 8-10 Gy x 3, 6-8 Gy x 5
No prior RT, cord compression: Gy x 1, 12 Gy x 2, 8 Gy x 4, 6-7 Gy x 5
Prior RT: Gy x 1, 12 Gy x 2, Gy x 3, 8-10 Gy x 4, 5-7 Gy x 5

5. Cord constraints