What vertebral body dose constraint do you use in SBRT to limit compression fracture?
What is your volume and point dose constraint within the vertebrae itself when prescribed 1 fx, 3 fx, 5 fx SBRT spine to reduce incidence of vertebral compression fracture or deformity?
Answer from: Radiation Oncologist at Community Practice
Vertebral body compression fracture after stereotactic radiation is a complicated topic with multiple contributing factors. Different institutional analyses have demonstrated lytic tumors, bony involvement by tumor >40%, age >55, pre-treatment pre-existing fracture, histology, spine deformity,...