Single-photon emission computed tomography (SPECT) is a non-invasive, nuclear medicine imaging technique (similar to PET), combining the information gained from scintigraphy with that of CT.

SPECT provides metabolic and functional information.

SPECT may be combined with a separate CT machine, providing hybrid imaging: single photon emission computed tomography-computerised tomography (SPECT-CT).

Radiopaedia - SPECT

Radiopaedia - SPECT vs. PET

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