Performance characteristics of a 511-keV collimator for imaging positron emitters with a standard gamma-camera

Arthur Van Lingen; Peter C. Huijgens; Frans C. Visser; Gert J. Ossenkoppele; Otto S. Hoekstra; Harry J.M. Martens; Hans Huitink; Koos D.M. Herscheid; Michael V. Greens; Gerrit J.J. Teule

doi:https://doi.org/10.1007/BF00177052

Performance characteristics of a 511-keV collimator for imaging positron emitters with a standard gamma-camera

Arthur Van Lingen, Peter C. Huijgens, Frans C. Visser, Gert J. Ossenkoppele, Otto S. Hoekstra, Harry J.M. Martens, Hans Huitink, Koos D.M. Herscheid, Michael V. Greens, Gerrit J.J. Teule

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Abstract

Line-source experiments were conducted to assess the performance of a gamma-camera equipped with a specially designed 511-keV collimator for the planar imaging of positron emitters. The results were compared with the camera performance with routinely used collimators and radionuclides (thallium-201, technetium-99m and gallium-67). With positron emitters, scatter contributed less to the widening of the line spread function than with radionuclides emitting lower photon energies. These observations can be explained by the relative deterioration in the discrimination power of the gamma-camera to reject scattered radiation at low energies. Planar 511-keV imaging may provide relevant clinical information, as we showed by fluorodeoxyglucose studies in a patient with a myocardial infarction and in a patient with a malignant lymphoma. It is concluded that positron emitters can be effectively applied for planar imaging with the generally available gamma-cameras. This study implies that radiotracers developed for positron emission tomography may find a place in the practice of conventional nuclear medicine.

Original language	English
Pages (from-to)	315-321
Number of pages	7
Journal	European journal of nuclear medicine
Volume	19
Issue number	5
DOIs	https://doi.org/10.1007/BF00177052
Publication status	Published - 1 May 1992

Keywords

Collimator performance
Fluorine-18 fluorodeoxyglucos
Planar 511-keV imaging

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Van Lingen, A., Huijgens, P. C., Visser, F. C., Ossenkoppele, G. J., Hoekstra, O. S., Martens, H. J. M., Huitink, H., Herscheid, K. D. M., Greens, M. V., & Teule, G. J. J. (1992). Performance characteristics of a 511-keV collimator for imaging positron emitters with a standard gamma-camera. European journal of nuclear medicine, 19(5), 315-321. https://doi.org/10.1007/BF00177052

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title = "Performance characteristics of a 511-keV collimator for imaging positron emitters with a standard gamma-camera",

abstract = "Line-source experiments were conducted to assess the performance of a gamma-camera equipped with a specially designed 511-keV collimator for the planar imaging of positron emitters. The results were compared with the camera performance with routinely used collimators and radionuclides (thallium-201, technetium-99m and gallium-67). With positron emitters, scatter contributed less to the widening of the line spread function than with radionuclides emitting lower photon energies. These observations can be explained by the relative deterioration in the discrimination power of the gamma-camera to reject scattered radiation at low energies. Planar 511-keV imaging may provide relevant clinical information, as we showed by fluorodeoxyglucose studies in a patient with a myocardial infarction and in a patient with a malignant lymphoma. It is concluded that positron emitters can be effectively applied for planar imaging with the generally available gamma-cameras. This study implies that radiotracers developed for positron emission tomography may find a place in the practice of conventional nuclear medicine.",

keywords = "Collimator performance, Fluorine-18 fluorodeoxyglucos, Planar 511-keV imaging",

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AU - Hoekstra, Otto S.

AU - Martens, Harry J.M.

AU - Huitink, Hans

AU - Herscheid, Koos D.M.

AU - Greens, Michael V.

AU - Teule, Gerrit J.J.

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Performance characteristics of a 511-keV collimator for imaging positron emitters with a standard gamma-camera

Abstract

Keywords

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