Medical technologies

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Gamma camera

Gamma camera

The gamma camera, or Single Photon Emission Computed Tomography (SPECT), is widely used in nuclear medicine for cardiac and vascular scans, bone scans, kidney scans, and other diagnostic purposes to provide physicians with three-dimensional images of radioactive tracer distribution.

The fundamental operation of the gamma camera, or gamma camera and SPECT, involves counting scintillations created by gamma rays striking a crystal plate. Photons emitted from the body may be absorbed or scattered due to various tissues and obstacles in their path, which can alter their energy or deflect them from their original trajectory.