MOLECULAR RADIATION SCIENCES

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Presentation transcript:

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

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)

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)

Prescription doses No prior RT, 1 vertebra, no epidural disease: 16-24 Gy x 1 No prior RT, multiple vertebrae or epidural disease: 16-18 Gy x 1, 12 Gy x 2, 8-10 Gy x 3, 6-8 Gy x 5 No prior RT, cord compression: 16-18 Gy x 1, 12 Gy x 2, 8 Gy x 4, 6-7 Gy x 5 Prior RT: 16-18 Gy x 1, 12 Gy x 2, 6-10 Gy x 3, 8-10 Gy x 4, 5-7 Gy x 5

Cord constraints