Method for the acquisition, in nuclear medicine, of a scatter im

Details Method for the acquisition, in nuclear medicine, of a scatter im Method for the acquisition, in nuclear medicine, of a scatter im

1995-06-05

1997-07-15

Fields, Carolyn E.

Radiant energy

Invisible radiant energy responsive electric signalling

With or including a luminophor

25036307, G01T 1166

Patent

active

056486596

ABSTRACT:
To acquire both a scatter image and an emission image in nuclear medicine, it is chosen to detect the emission image by validating the radioactive events that occur in the nominal range of the radioactive marker chosen. For the scatter image, lower energy ranges are chosen, these ranges corresponding to the production of at least secondary or tertiary Compton photons. It is shown that it is possible, in this way, to reconstruct an artifact-free transmission image. This scatter image is used to correct the initially acquired emission image. It is shown that it is possible to acquire both images at the same time.

REFERENCES:
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patent: 5390225 (1995-02-01), Hawman
IEEE Transactions on Medical Imaging, vol. 13, No. 2, Cree et al, "Towards Direct Reconstruction from a Gamma Camera Based on Compton Scattering," pp. 398-407, Jun. 1994.
The Journal of Nuclear Medicine, vol. 29, No. 2, Macey et al, "Comparison of the Three Boundary Detection Methods for SPECT Using Compton Scattered Photons," pp. 203-207, Feb. 1988.

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