Wedge Tray Scale for TBI Isodose Curve, Varian MLC

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Wedge Tray Scale for TBI Isodose Curve, Varian MLC

For use with Total Body Irradiation (TBI) Stand.

The Radiation Physicist must find the projected isodose curves for their TBI Stand location. 

The mapping of the isodose curves must be marked on the wall or stand covered with paper so values and lines can be seen. Use chamber or film. Record gantry angle used. 

The Total Body Scale Tray is inserted in the treatment machine and rotated to the same gantry angle setting used for producing the projected isodose on the wall or stand. With a black marker, mark the demagnification on the acrylic TBI tray which will project a line around the patient.