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Broad Quantification Calibration Process

Broad Quantification Calibration Process video

Broad quantification calibration procedures. This step-by-step procedure will guide you in performing the sensitivity, calibration and volume sensitivity calibration, which is necessary for accurate quantification of broad quantification studies. The sensitivity calibration measures the difference between the system's ability to detect the radioactivity and the true amount of radioactivity using a point source, an collimator. The volume sensitivity calibration generates a volume sensitivity factor using a Phantom with an isotope in a collimator. What you will need? The sensitivity source for broad quantification sensitivity calibration procedures is a vial containing the respective isotope to be calibrated. To prepare the point source using an amount of activity that is closest possible to the recommended range. Insert the isotope into the comb portion of the vial. The activity should yield about 5 to 30 kill accounts per second. Approximate activities to yield discount rate are 1 to 5 million curies of activity. For technetium 99 M. Indium 111 and iodine 123. You will need approximately 10 to 30 mil acuris of Lutetium 177. One preparing the point source. Do not overfill the vial or splash activity on its sides. In order to perform the volume sensitivity calibration for broad want, you also need a uniform cylinder Phantom that has been prepared with the known activity concentration as reported from the dose calibrater. The standard quality control Phantom fulfills the following three criteria. The Santam contains no inserts. The Phantom has an inner diameter of 20 centimeters, and the Phantom has a nominal volume of 6000 to 7000 milliliters. Performing the sensitivity calibration before you acquire a broad quantification sensitivity calibration, you have to make sure a few things have been accomplished. One, make sure the system is homed. Two, make sure the system is tuned and peaked with the appropriate sources. And three. That the appropriate collimators are installed. Mounting the calibration source. Pull out the integrated source Holder from the PHS. 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 counts per second per detector. Select the patient and double click the sensitivity calibration workflow. On the acquisition Tab, Open the camera parameters tab. Select the isotope from the camera preset menu that you are calibrating. Next go to the series Information tab and select the dose calibrater that was used to measure the isotope. Enter the activity. Ann Select the date and time that the isotope was measured. Acquire the sensitivity calibration 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 motion 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 results. 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 of the calibration data are displayed for each detector an the selected photo peak. For each detector, the measure 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. His sensitivity calculation activity updates the calibration database. The internal quality monitors iaccessible 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 performing the volume sensitivity calibration. Make sure that the following have been completed prior to the volume sensitivity calibration. The system is homed. The sensitivity calibration has been performed with a point source of relevant clinical isotope. The appropriate collimators are installed. A uniform cylinder Phantom has been prepared with a known concentration. As reported by the dose calibrater. Position the volume sensitivity Phantom on the PHS. The volume sensitivity Phantom is placed on the PHS and should be centered in the detector field of view. You should have a count rate of 5 to 30 kill counts per second per detector. Launch the volume sensitivity calibration workflow. For the next step, select the patient and launch the volume sensitivity calibration workflow. Enter the following information in the Series Information tab. The dose numeric value an unit. Micro Curie myla. Curie Mega Becquerel Kila becquerel. The date and time the isotope was measured. The volume solution, which is the volume amount of the solution in the Phantom. The dose calibrater ID. Use the pull down menu to select the dose calibrater used to assay the dose note for a dose calibrated to appear in this menu. A cross calibration must have been performed for the selected camera preset collimator and dose calibrater. If applicable, enter the residual dose information and dose calibrater ID. Set the acquisition parameters. Next, go to the stop Conditions tab and set the acquisition parameters. Set the stop condition you desire. The default is by counts and 100 kill accounts per view. Next you can choose the orbit. Choose between circular and non circular. Now you can acquire the broad quant volume sensitivity calibration. Press the Prepare acquisition button. The system enables the start button. If all data an parameters pass the system. Press the start button when it becomes enabled. Suspect acquisition begins Annop on completion. The workflow proceeds to the see T acquisition activity. To acquire the see T acquisition, click the Prepare button an perform the see T acquisition with the parameters set by the workflow. Upon completion, the workflow proceeds to the X Recon activity. Ex Recon activities there are two X Recon activities that process this data. The first is to reconstruct the data for a SPECT image registration. Then the workflow proceeds to the image registration activity. If you need to adjust the image alignment, you can do so in the image registration activity. Upon completion, the workflow proceeds to the second ex Recon activity. When this reconstruction is complete, the workflow proceeds to the volume sensitivity processing activity. Volume sensitivity processing in the volume sensitivity processing activity, you will see the Phantom image and three planes. The next step is to center and resize the view I if necessary. Double click within the Void boundary to enable editing of the view I and single click on the outside of the boundary to complete the edits. Avoid the Phantom boundaries with the VOA's. The collimator isotope camera preset are displayed as well as the DOI statistics, calculated sensitivity factor and true activity concentration. You can click accept these calibrations and make them current button to say the results, or click the reject calibrations and use existing set button to not save the results.

Head Alignment Verification Performs Head. Head Alignment Venfication Presets Summary Intormatton Slop Summary Summary Intormdtton Slop Performs Head Intrinsic Calibration Auto Summary Series Intormation Camera Parameters Series Camera Parameters Camera Parameters Camera parameters Series Series Intormation Camera Parameters Son es Intormatton Camera pa ameters Stop Conditi Stop Condit] Setop Stop Acquires and p. crystal Summary Sensitivity Calibration Launch the Sensitivity Calibration Intrinsic Calibration Auto Ensure you have 5-30 Patient Isotope Intnnsic Verification Auto Camera Series Camera Parameters Parameters Intnnsic Ventficabion Auto Series: «collimators Sensitivity Calibration MHR COR 180 Calibration Volume Sensitivity Processing Volume Sensitivity Calibrati 1123 1024 kcts/sec per detector Intrinsic Verification Make sure the following have been completed Tec trog-st Earinsc Sensitivity Calibration 123 1 23 20 MHR COR 180 Calibration Technologist sc-Tcggm.NMG Camera Parameters Camera Preset Camera parameters SC-Tcggm-NMG MHR COR 180 Calibrabion prior to the Volume Sensitivity Calibration Launrh the Sensitivity Calibration Hoact Reading Physiciam 119 MHR COR 180 Verification. Preset Pellctrns Head Soth Detectors Head Detectors: Auto MHR COR 180 Verification w Enable Stu$BasedSetup Before starting the calibration procedures, 1. The system is homed crystal Remaining Referring e Display Display MHR COR 76 calibration 3m 130 MHR Detector Configuration Detector Configuratiom Detector Configuration: Organ KCounts: Broad Quantification Note: For a dose calibrator to appear in this 2. Sensitivty calibration has been performed with a Activity tb Organ: Orgam make sure the following are complete: Approximate Activity to Remaining: Remaining Remadnin,g: SC.1123-NMG Camera parameters C•mera P MHR COR 76 calibration 3 n Patient Camera Parameters Series Camera Parameters Camera menu, a cross calibration must have been Criteria for Phantoms Review the Following: Isotope; View Yield Count Rate Perform MHR point source of the relevent clinical isotope Calibyatioh Procedures Do not overfill vial performed for the selected camera preset, Acquire the Sensitivity Calibration Performing the Volume Sensitivity Launch the Sensitivity Calibration Sensitivity Calibration Review the Sensitivity Calibration Volume Sensitivity Calibrati —Calibration Procedures Calibration Procedures Perform MHR MHR Source MHR COR SMARTZOOM Patient Position the Volume Sensitivity Phantom on Launch the Volume Sensitivity Calibration Activity should yield a Insert the isotope into - 1-5 mCi Database 12 Reprocess_VDIurneSensiti 'abet Labet Reprocess _ VolumeSensitl Isotope; Isotope Do not splash activity on the sides Calibrations collimator and dose calibrator. 3. Appropriate collimators are installed. Approximate inner diameter of 20 Volume Sensitivity Processing Activity Collimator 1 . Home the system the cone portion of the Sensitivity on Available Calibration Acquires and p.. ggm Technetium Technologist Workflow Calibration the PHS Acquisition Sup. ne Sup.ne Supine View Processes Processes upt cm. Isotope 4. A uniform cylinder phantom has been prepared kcts/sec vial 1123 - -1-5 mCi 10 If adjustment of image 2. The system is tuned and peaked with the Tirne: Process upto 4 1024 x 1024 x 1024 1024 Presets Sensitivity Measured Sensitivity - Nominal SensitiviW - Nomnal Sensitiur.,' - Nominal Sensitiury - Nominal Sensibuty - Nominal SensitMty Nominal. CPS/MBq Nominal. Dose 31 Local Database Lu177 - 10-30 mCi Calibration Dose | Dose 3 Dose o 03 PM 120000 AM 110000 AM AM with a known concentration, as reported by the 10 11 Orientation on L,xal Oatabase appropriate sources. 10 Volume Sensitivib,/ Calibrati_ Volume Sensitivib,/ Calibratin Acquires and p Loc«al Database Volume Sensitivin,' Calibrati Crystal Thickness Camera parameters Camera Parameters SC-Tc99rn.WG sc.Tcnm-NMG SC-se75-LME-NMG Pa Dose O CPS'MBq Sensitivity Calibration Sensitivitry - Measured: Sensitivity - Measured: 953 Sensitivity. Measured 952 Sensitivity Measured 950 dose calibrator. Done Sensitivity - Measured 97 A Sensitr,lty - Measured. 97 A CPS/MBq Available Caiibrabons Available Calibrations Soth Detectors Both Detectors 3. Appropriate collimators are installed. I preset SOLvce o Söwce o Sowce o SoLvce o 13630 m Collie Colli_ Colli 25 85 Workplace BAYB Dose O Dose o Deviation from Nornnal• Deviation from Nornnal. Denation from Nornnal Denation from Nomnal Deviation from Normnal• 81 412016 al 4/2016 12 Oe•aaoion from Nominal, Deviation from Nominal Deviation from Nominal. from Norninal. Sensitivity Source (respective clinical isotope to be calibrated) og.sep.16 09-sep-16 SC.Se75.LME.NMG SC-Se75-LME-NMG SC.Se7S.LME.NMG SC-se75-LME-NMG OMI 123 10 Prepare Acquisition 11 10 prepare C_lnl _SroadOuant Two Launch Complete Supine Sup.ne Supine Position The ta Stage: All Stage' All 1024 x 1024 1024 x 1024 x 1024 MELP MEL? SC-Lu177-20B-NMG - Measured: 952 complete edits LPHR Category Workplace Corrected Oose trom Nonnal: trom Ncmnal: them 153 103kev them Reining Tcggrn-NMG Tcggm-NMG Complete Workf. 8AY8 09-Sep-16 09-sep-16 og.sep-16 LPHR SC-1u177-23B-NMG SC-1123.NMG SC.1123-NMG SC-1123-NMG SC.1123.LME.NMG SC.1123.NMG Both Detectors Soth Detectors Accept These Calibrations and Make Them Current Accept Calibrations Them Current Reject These Calibrations and use Existing Set Reject These Calibrations and Use Existing Set SC-se75-LME-NMG Reject These Calibrahons and Use easting Set s. NO. 131 Reject These and Use Set Accept These Calibrators and Make Them Current Them Prepare Make

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