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Planar Imaging of Positron-Emitting Radionuclides with a Multicrystal Camera

Mt. Sinai Medical Center, New York, New York

Correspondence: For reprints contact: Stanley J. Goldsmith, MD, Andre Meyer Dept. of Physics-Nuclear Medicine, Mt. Sinai Medical Center, One Gustave L. Levy Place, New York, NY 10029.

ABSTRACT

A multicrystal gamma camera has been evaluated for the imaging of 511-keV photons resulting from positron emission. With minor instrument modifications, images of a phantom demonstrating good resolution are obtained. Satisfactory planar images are obtained in animals using fluorine-18 or rubidium-82. These findings establish the feasibility of planar imaging of positron emitters in a clinical setting, and may make possible the more rapid development, assessment, and dissemination of positron-emitting radionuclides, thus promoting utilization of tomographic positron imaging techniques.