SPECT imaging

SPECT is a device that uses single-photon nuclide-labeled drugs to achieve in vivo function and metabolic imaging. It is one of the basic instruments for nuclear medicine imaging. It is currently equipped in most prefecture-level hospitals and is used in the diagnosis of disease imaging. makes an important impact. Its characteristics are that it can reflect information about blood perfusion and material metabolism of tissues and organs. At the same time, the nuclide used has a long half-life and is easy to prepare and transport. Therefore, it has low use cost and is easy to popularize. However, due to the limitation of the resolution, the anatomical structure cannot be clearly displayed, which makes it difficult to locate the lesion. At present, SPECT / CT fusion models have been produced, which can accurately fuse the functional images of SPECT and diagnostic CT images, which makes up for the shortcomings of SPECT in anatomical positioning and resolution, and has great application prospects.