Advanced TP
collimator angle cranial field = ‘half top angle’ spinal field Cranio-spinal lesions
L inv.tan = α = βº 100
α
L
β
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collimator angle cranial field = ‘half top angle’ spinal field Cranio-spinal lesions
L inv.tan = α = βº 100
α
L
β
Made with FlippingBook