The PET-CT Phantom™ includes internal structures (three rods and six spheres) which, when imaged with both modalities, can demonstrate how accurately the two image sets are aligned. In addition, a single sample of radioactive water is attenuated by water, bone and CT contrast material (as well as air only) to determine how accurately the CT-based PET attenuation correction works.
The Phantom is used for:
- Acceptance testing of PET/CT and SPECT/CT systems
- Routine quality evaluation of PET/CT and SPECT/CT systems
- Evaluation of new image fusion software
- Evaluation of new attenuation correction algorithms
- Aluminium tubes are for registration
- The outer 2" OD micro cylinder is for comparing attenuation region to non attenuation region
- The 6" ring is for contrast solution
- Research
| Interior length of phantom: | 180mm |
| Fillable spheres (5) inner diameter: | 10, 13, 17, 22 and 28mm |
| Distance from sphere plane to inside wall: | 70mm |
| Volume of empty cylinder: | 9.7 litres |
| Main Cylindrical insert dimension: | Outside diameter: 51mm, Length: 180mm |
| Top Cylinder: | Cylinder outside diameter: ~5.1cm, Cylinder inside diameter: ~4.cm, Cylinder inside height: ~8.2cm, Cylinder outside height: ~12.0cm, Volume of empty cylinder: 408cm2 |
| Three Aluminium Tubes: | One 5 inch long: ~1.7cc, Two 7 inch (ea): ~ 2.5cc |
| Stepped Bone Ring: | Pre-filled with liquid bone composition, not to be opened. |
| The volumes for the bone ring are: | Outer volume: 15.6 cu. inch: ~256cc, Inner volume: 6.7 cu. inch: ~110cc |
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