Physics Bucharest 2017
Craniospinal irradiation
Spinal field • Direct posterior field
prescribed at depth (depends on MRI) • Superior: Match the lower border of the cranial field (usually at C3-C4 junction) • Lateral: cover the dural recess so extend to the transverse process • Inferior: 1 cm below the lower end of the thecal sac
Made with FlippingBook