xSPECT Quant Sensitivity and Cross Calibration Procedure

Welcome to the Expecte Quant sensitivity cross calibration procedure, step by step. In this video tutorial of performing the expec Quant sensitivity, cross calibration procedures for your symbyax scanner. This step by step procedure will guide you in performing sensitivity and cross calibration procedures necessary for accurate quantification of expecte studies. What you will need? Before you begin the calibration procedures, you will need to have the following available. The Cobalt 57 expec calibration peaking source kit, which is used with the LEHR&LPHR collimators. This kit contains a peaking source, the precision Cobalt 57 source in its shield, and the dose calibrater source Holder. Note if your scanner has automatic quality control, your kit will not have the peaking source. You will use the automatic you see source installed in your table to peak the system. If you are performing the expec want with medium energy collimator's, you will need the selenium 75 expec calibration peaking source kit. It also contains a peaking source. The precision Silentium source in its shield and the dose calibrater source Holder. Lastly, if you are performing the cross calibration, you will need a cross calibration source. Cross calibration is a sensitivity calibration using a point source of the respective clinical isotope measured in the dose calibrater. To prepare the point source. Use an amount of activity that is closest possible to the recommended range. Insert the isotope into the comb portion of the file. The activity should yield 5 to 30 kill accounts per second. Approximate activities do yield to this count rate are one to five millicuries of activity. For technetium 99 M Indium 111. And iodine 123. You will need approximately 10 to 30 mil acuris of Lutetium 177. When preparing the point source, do not overfill the vial or splash activity on the sides. Installing the Peking source. The first step to acquiring the expec want calibration is to Mount the Peking soars an peak the system. Both the Peking source an the calibration source attached to the integrated source Holder to install the Peaky source. First unscrew the vial Holder cap from the end of the integrated source Holder by turning it counterclockwise. Next, loosen the thumb screw on the top of the Peking source by turning it counterclockwise. Slide the peaking source over the end of the integrated source Holder, and then turn the thumb screw clockwise to tighten it. Remove the calibration source from the scan room while performing the peaking procedure to prevent calibration source scatter from interfering in the peaking process. Peking the system. Next, on the single MI Apps acquisition Workstation, Select the patient an launched the sensitivity calibration workflow. When the workflow propagates to the static acquisition activity, select the Analyzer tab. Select the isotope that you using for calibration from the select existing preset menu. Click the begin Peaky button and wait for the system to peak. When the Peking is complete, remove the Peking source and install the appropriate collimators. Precision source registration. The next step of this procedure is to enter a precise source registration. You only have to do this step the first time the source is used. Go to the Analyzer tab and select the source management tab. Select the entry type of source that you're using from the entry type pull down menu. Next, enter the free text label, which is usually the serial number on the source. Then enter the dose information. For this you will need to use the system apparent activity on the source label. Navigate to the series Information tab and go to the calibration source pull down menu. Select the precision source that you are using. Dose calibrater registration. If you are performing a dose calibrater cross calibration, you need to enter the name of the dose calibrater in the label field in the source management tab, press save. Also make sure you have the correct isotope selected in the camera parameters tab. Before acquiring the calibration, make sure that the dose calibrater selection is made in the label dropdown menu. Installing the precision point source. The next step is to install the precision calibration source. To install the calibration source, remove it from the shield container. Then screw it into the end of the integrated source Holder by turning it clockwise. The active element is contained in the sphere at the point at end of the calibration source. Position the active element over the center of the detectors. Installing the cross calibration source. If you are acquiring a dose calibrater cross calibration, insert the point source of the isotope into the end of the integrated source Holder. The activity is located at the end of the vial. Position the bottom of the vial over the center of the detectors. Verify that the count rate is between 5 and 30 kill accounts per second per detector. Prepare an start acquisition. Now you need to prepare and start the acquisition. On the acquisition tab, click the Prepare button. A message will appear telling you that the emotion of the detectors is going to be initiated. Make sure that it is safe to do so and click OK. Then press the start button. The calibration will acquire when finished, the workflow will propagate to the sensitivity calibration activity. Review the sensitivity calibration activity. The sensitivity calibration activity processes the calibration data. In this activity you should review the sensitivity processing results, which includes the patient collimator, isotope presets, and crystal thickness. From the photo, peek pull down menu, select a photo peak. Images An results from the calibration data are displayed for each detector an the selected photo peak. For each detector, the measured sensitivity results are displayed. If the results of the calibration are acceptable, click accept these calibrations and make them current button to save the calibration results. The sensitivity calculation activity updates the calibration database an the internal quality monitors assessable by service. The workflow proceeds to the next activity. Or if the results are not acceptable, click reject these calibrations and use existing set button to not save the results. The calibration database is not updated. Click the complete button on the workflow an the image data is saved into the database. Remove the calibration source and retract the source Holder. Review the sensitivity calibration dashboard. A calibration dashboard is available on the Series Information tab to show available calibration for collimators and presets. Your expected want sensitivity cross calibration procedure is now complete.

Cross Calibration Source Camera Parameters Stop Conditions Source Mgmt Series: Al 11 Sensitivity Calibration and Cross Calibration Camera Parameters Stop Conditions Source Mgmt Selenium N Item Intrinsic Calibrcation Auto Acquires and p.. veter5 Stop Conditions Source Mgmt Registered Labels: \nalysis inalysis Review Analyzer Display/Analysis Analyzer DisplayfAnalysis Intrinsic Calibration Auto New Item Item Matrix Size: Math x Size: Registered Labels: Detector Status Entry Type: 75 Selenium 20 MHR COR 180 Calibration 3._ MHR COR 76 Calibration Camera Paran Camera Paresets Detector Status MHR Calculation peak Shifts (06 Data Selector Camera Preset Camera Pareset Camera Paran Camera Parameters Camera Presets 15 Entry Type: Dose Calibrator Entry' Type: Dose Calibrator Cross Calibration Select EXISting Preset Select Existing Preset Detectors: Label: Il Il sl Label- Selenium peaks •xSPECT_Quent Sensitivity et Name: Label: MHR COR 180 Sensitivity Enable Activity should yield 5-30 kcts/sec 82 12 15 12 Dead Dead Time Peak Status Preset Dead Selenium *abeli DoseCa121 Dead Time (0/0) Database Label: Dose Cal 2 Labeli Dose Cal 2 Labeli DoseCa12 Cal 2 *Counts KCounts_ KCounts K Couns KCounts Source ours 613 kabeli MHR COR 180 Verification n. MHR COR 180 Verification... Label: g 50 222 213 -0 30 g 75 -0 57 KCounts, KCount: Source Do not overfill or splash Detector 1 Rerrzirung Remaining, Remaining. Elapsed: ng: New Preset Name: Sensitivity Calibration Tc99m 1-5 mCi -rc99m 1-5 mCi 775 825 NOT 1 66 -0 65 SC-Tcggm-NMG 775 168 Detector 1 Cross Calibration Assay and Cross Calibration MHR COR 18 Calibration Intrinsic Calibration and CroSs-Calibration and Crossi Calibration MHR COR 76 Calibration lot I 7 75 Remainin! KCounts_ KCounts. Remainin!. Static KCounts: Entering New Dose Calibrator for Review the Sensitivty Calibration Cobalt 1-5mCi MHR COR 180 Calibration 5. Remove Calibration Source from the Scan Database 155 vial Acquisition Source ield Viev Maq 20 2} Remaining. Remaining, Dose Calibration Source Holder Cross Calibration Source Dose Dose Dose, Dose: Review Sensitivity Calibration Activity Installing the Peaking Source Peaking the System Remaining: 1123 1-5 mCi Prepare and Start Acquisition Number Calculation Center this over collimators SC- 1301-NMG SC-C12057-NMG Procedure If your scanner has the Automatic Quality n Cross Calibration Cross Calibration Source *top Peaking Begin Peaking Source Pause Peaks Dose, Dose,al Dose: Dashboard Lu177 10-30 mCi Fegin Peaking (First time using source) Save Preset Begin pe Perform MHR Photopeak Scatter Perform MHR have a peaking source. 11 source. CClear-T1201-NMG caear-T1201-NMG Window Number Number Center Width Upper Scatter Sens Window Width Number Center Sensitivity Calibration and Cross Calibration and Crossi Calibration Acquires and p.. Save 133 20 Photopeak Photopeak< 133 Calculation 868 133 Processes 140 Save Delete Processes upt. upt 269 Photc Lowaer Scattel Se75 Calibration Source Kit (used with MELP collimators) View Intrinsic Flood Process upto 4. Window Width Se75 xSPECT Quant Calibration/Peaking Source Kit DA Camera Pareseters Camera Paran Camera Presets Camera Parameters Camera Paranet Camera Paresets Camera Preset c057 xSPECT Calibration/Peaking source Kit Cross Calibration Source n Cross Calibration Intrinsic Calibration Auto Cross Calibration c057 xSPECT Calibration/Peaking Source Kit Position CoS7 Calibration Source Kit (to be used LEHR and LPHR collimators) C057 Calibration Source Kit (to be used LEHR and LPHR collimators) Scattel Volume Sensitivity' Calibrati. Camera Paran Camera Parameters Camera Presets Camera Paraseters 83 7 7 20 Flexible Oisplar Flexible Display Volume Sensitivity Calibrati. 20 Upper Scat-tel Upper Scattel uppe Selenium 80th 82 7 7 Window Center (keV): Window Width Window Width (%o): Window Width WI Wi Technetium Window Center (keV): Supine Supine Set