guidance document and should be applied as appropriate. Parameter Specification Shall perform and document results of all tests no less than Phantom tests: Imaging Site quarterly, and always after scanner upgrades, and repairs or Frequency recalibration of the gamma camera motions and/or detectors Uniformity of response to a uniform flux of radiation from a I-123 Phantom point source shall be measured intrinsically every quarter. On a Imaging Site Planar Uniformity daily basis planar uniformity with collimators used for I-123 imaging should be performed using a Tc-99m or Co-57 source Tests the resolution of the system in terms of the FWHM of its System Spatial point spread function. Test should be conducted semiannually Physicist Resolution with the collimators routinely used with 123I ioflupane studies. The result of the test should be less than 8 mm at 10 cm. Phantom tests: transaxial Using a uniform cylinder filled with I-123, obtain a within slice Imaging Site uniformity variability of less than 5%. measurement Using an anthropomorphic phantom with basal ganglia and Phantom tests: reference region background compartments filled at a suitability for homogeneous striatal ratio of 4.5:1, to distinguish the caudate Imaging Site basal ganglia nuclei and putaminal, and also with a caudate/putamen gradient imaging of 4.5:1 caudate, 2.25:1 putamen to assess systems ability to determine an uptake gradient across the striata noise in the reference region/background compartment. Phantom test: Imaging Site The COV of the volume of interest thus determined should be recorded and should be below 15%. Phantom test: Imaging Site Shall acquire according to Section 3.6 data acquisition Phantom test: data Imaging Site reconstruct according to Section 3.7 reconstruction Phantom test: Imaging Site Shall ensure noise is less than specified above. data analysis 3.9. Image Distribution This activity describes criteria and procedures related to distributing images that are necessary to reliably meet the Profile Claim.
guidance document and should be applied as appropriate. Parameter Specification Phantom tests: Frequency Imaging Site Shall perform and document results of all tests no less than quarterly, and always after scanner upgrades, and repairs or recalibration of the gamma camera motions and/or detectors Phantom Planar Uniformity Imaging Site Uniformity of response to a uniform flux of radiation from a I-123 point source shall be measured intrinsically every quarter. On a daily basis planar uniformity with collimators used for I-123 imaging should be performed using a Tc-99m or Co-57 source System Spatial Resolution Physicist Tests the resolution of the system in terms of the FWHM of its point spread function. Test should be conducted semiannually with the collimators routinely used with 123I ioflupane studies. The result of the test should be less than 8 mm at 10 cm. Phantom tests: transaxial uniformity measurement Imaging Site Using a uniform cylinder filled with I-123, obtain a within slice variability of less than 5%. Phantom tests: suitability for basal ganglia imaging Imaging Site Using an anthropomorphic phantom with basal ganglia and reference region background compartments filled at a homogeneous striatal ratio of 4.5:1, to distinguish the caudate nuclei and putaminal, and also with a caudate/putamen gradient of 4.5:1 caudate, 2.25:1 putamen to assess systems ability to determine an uptake gradient across the striata Phantom test: Imaging Site noise in the reference region/background compartment. The COV of the volume of interest thus determined should be recorded and should be below 15%. Phantom test: data acquisition Imaging Site Shall acquire according to Section 3.6 Phantom test: data reconstruction Imaging Site reconstruct according to Section 3.7 Phantom test: data analysis Imaging Site Shall ensure noise is less than specified above. 3.9. Image Distribution This activity describes criteria and procedures related to distributing images that are necessary to reliably meet the Profile Claim.
002.QIBA_SPECT_Profile_Checklist_Extract.2016_10_22.docx