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. Author manuscript; available in PMC: 2023 May 1.
Published in final edited form as: Semin Nucl Med. 2022 Mar 18;52(3):382–402. doi: 10.1053/j.semnuclmed.2022.02.002

Figure 2.

Figure 2.

Maximum intensity whole body human 18F-DCFPyL (left), rat (middle) and mouse (right) 18F albumin PET images displayed at the same physical size. Rat body weights are typically several hundred times smaller and mice several thousand times smaller than the body weight of an adult human. The human scanner has a spatial resolution of approximately 3 mm, the animal scanner approximately 1 mm. The rat and mouse images appear progressively “blurrier” than the human image in part because of poorer spatial sampling density. This effect is somewhat exaggerated here because of the differing body distributions of the two agents.