The TriMark Publications "Sector Snapshot" is designed to provide a high-level overview of a particular market sector, including key players, sales data and emerging trends. This sector snapshot covers the positron emission tomography (PET) and single-photon emission computed tomography/computed tomography (SPECT-CT) imaging overview. This snapshot also details the market size, sales of PET imaging systems, new technology platforms, differences between PET and SPECT, and potential applications of SPECT-CT.