Abstract
1002
Learning Objectives 1. Understand the physiology governing abnormal increased extracardiac activity on myocardial perfusion imaging (MPI) studies. 2. Know common anatomic locations for abnormal increased activity on MPI SPECT. 3. Understand significance and frequent locations of abnormal areas of decreased activity on MPI SPECT. 4. Learn some trouble shooting techniques for better imaging of these abnormalities as they arise in the Nuclear Medicine department. 5. Learn the tests for follow up of abnormalities with increased or decreased activity on MPI SPECT studies.
The myocardial perfusion imaging procedure is not just about the heart. MPI SPECT provides projection images of the chest and abdomen, which contain numerous potential anatomic sites for abnormal increased or decreased radiotracer activity. It is important to recognize these abnormalities because the finding can substantially alter the care of patients. As most common MPI agents are nonspecific tumor imaging agents, malignancies can sometimes be identified. This educational exhibit will discuss the mechanism of localization of SPECT MPI agents, factors important in tumor uptake, and tumor types that are MPI tracer-avid. We will present examples of abnormal incidental activity on MPI SPECT, and describe techniques for further evaluation
MPI Single Photon Agents
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