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SPECT-TYPES

Physics

SPECT-TYPES

1. Single head - based on a standard gamma camera mounted on a rotating gantry. Largely superseded by multiple head scanners.

2. Multiple heads - still uses standard gamma camera technology but there are 2 (or even 3) cameras orbiting the patient. Quicker acquisition. Reduces motion artefact.

3. Hybrid SPECT/CT - has a dual head gamma camera as well as a fan beam X-ray source. Capable of normal CT and SPECT. Allows the fusion of SPECT (functional) and CT (anatomical) information to produce composite images.


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REFERENCES

1. Bushberg, J. T. (2012). The essential physics of medical imaging. Philadelphia: Wolters Kluwer Health/Lippincott Williams & Wilkins. Find it at Amazon
2. Heggie, J. C., Liddell, N. A., & Maher, K. P. (1997). Applied imaging technology. Melbourne: St. Vincents Hospital.

Ⓒ A. Manickam 2018

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