Dosimetrist/Physicist Training Guide - UCSF Radiation Oncology

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MOSAIQ Dosimetrist/Physicist Training Guide Module I Notes Changing Approved Treatment Fields If the machine characterization of the treatment machine or patient treatment plan changes, you may have to change an approved treatment field definition. If you change an approved field, the status of the field automatically changes to Unapproved. You have to re-approve the field before treatment, unless you configure MOSAIQ to let you copy couch parameters and change field notes without changing the status. Both are included in the exercise that follows. When you have re-approved the treatment field, you can open the Field Delta View dialog box to show all versions of the treatment field. In this exercise, you will change an approved treatment field, reapprove it, then open the Field Delta View dialog box. 1. In the Diagnoses and Interventions window, double-click the 3 LAO Lung treatment field. Opens the Treatment Field Definition dialog box. 2. Type 90 in the Collimator Angle field. Specifies the collimator angle for the treatment field. 3. Type 3 in the Open MU field. Specifies the MU for the open portal image. 4. Type NONE in the Bolus field. Specifies that no bolus for this treatment field, shown in Figure 95. Figure 95: Approved Treatment Field with Changes 112 Copyright 2009, IMPAC Medical Systems LTGRAD0005A/2.0/26-Feb-2009
Lesson 3: Adding Simulation and Treatment Fields Copyright 2009, IMPAC Medical Systems 113 LTGRAD0005A/2.0/26-Feb-2009 Notes 5. Right-click or press F4, then click Approve…. Opens the Treatment Field Definition Options menu, then opens the Approve Treatment Field Definition dialog box. 6. Type your Password, then press ENTER. Adds your user initials and the approval date in the Approved field. 7. Right-click or press F4, then click Field Delta. Opens the Field Delta View dialog box, shown in Figure 96. Figure 96: Field Delta View Dialog Box Changes between versions are highlighted yellow. Click to revert to a previous version of the field. You cannot use the Rollback option if the most recent version of the field was approved or treated. You cannot change fields in the Field Delta View dialog box. 8. Click . Closes the Field Delta View dialog box.
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PUBLISHED BY: IMPAC Medical Systems
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Dosimetrist/Physicist Training Guide - UCSF Radiation Oncology

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