single photon emission computed tomography


: a medical imaging technique that is used especially for mapping brain function and that is similar to positron-emission tomography in using the photons emitted by the agency of a radioactive tracer to create an image but that differs in being able to detect only a single photon for each nuclear disintegration and in generating a lower-quality image
abbreviation SPECT

Dictionary Entries Near single photon emission computed tomography

single photon absorptiometry

single photon emission computed tomography


Cite this Entry

“Single photon emission computed tomography.” Medical Dictionary, Merriam-Webster, Accessed 30 Mar. 2023.

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