Dosimetrist/Physicist Training Guide - UCSF Radiation Oncology
Dosimetrist/Physicist Training Guide - UCSF Radiation Oncology
Dosimetrist/Physicist Training Guide - UCSF Radiation Oncology
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Lesson 3: Adding Simulation and Treatment Fields<br />
Copyright 2009, IMPAC Medical Systems 121<br />
LTGRAD0005A/2.0/26-Feb-2009<br />
Notes Quick Version<br />
Adding Simulation Fields – Header Information<br />
1. Open the chart for your patient, then open the <strong>Radiation</strong> tab of the Diagnoses and<br />
Interventions window.<br />
2. Click the radiation prescription, then click to open the Simulation<br />
Options Menu.<br />
3. Click Field to open the General tab of the Simulation Field dialog box.<br />
4. Type the number of the simulation field, such as 1, in the first Sim Field, then<br />
press TAB.<br />
5. Type the name of the simulation field, such as Lt. AP Lung, in the second Sim<br />
Field.<br />
6. Click adjacent to the Machine field to open the Location Directory window.<br />
7. Double-click a treatment machine, such as Clinac MLC (80).<br />
Adding Simulation Fields – Measurement Settings<br />
1. In the Simulation Field dialog box, type the Source to Skin Distance in the SSD<br />
measurement field.<br />
2. Type the Source to Film Distance in the SFD measurement field.<br />
3. Type the Source to Axis Distance in the SAD measurement field.<br />
Adding Simulation Fields – Geometric Settings<br />
1. In the Simulation Field dialog box, type the size of the X jaws in the Field X<br />
geometric field.<br />
2. Type the size of the Y jaws in the Field Y geometric field.<br />
3. Type the couch vertical setting in the Couch Vrt geometric field.<br />
4. Type couch lateral setting in the Couch Lat geometric field.<br />
5. Type the couch longitudinal setting in the Couch Lng geometric field.<br />
Adding Simulation Fields – Radiography Settings<br />
1. In the Simulation Field dialog box, click to open the Radiography tab.<br />
2. Type the kVp value in the kVp field in the Exposure group.<br />
3. Type the mA value in the mA field.