Gamma Cameras
Tomographic performance
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The standard Jaszczak phantom is a cylinder approximately 20cm in diameter with a range of inserts including, cold rods, cold spheres, hot spheres and capillary holders.
For standard tests with the phantom is imaged using around 500MBq Tc99m with cold sphere and rods. All the imaging and reconstruction details have to be kept the same to allow for serial acquisitions to be compared.
These include
- Phantom position (in a head rest preferably)
- Orbit type circular
- Detector radius (set to be as small as can be reproduced safely)
- Matrix size, number of views, zoom factors
- Activity in phantom / time per view
- Reconstruction algorithm
- Reconstruction settings (filter type and settings)
- View settings (summed slices)
