Emission computed tomography
Emission computed tomography (ECT) is a type of tomography involving radioactive emissions.
| Emission computed tomography | |
|---|---|
| ICD-9-CM | 92.0-92.1 |
| MeSH | D014055 |
| OPS-301 code | 3-72-3-75 |
Types include positron emission tomography (PET) and Single-photon emission computed tomography (SPECT).
The imaging agent used in SPECT emits gamma rays, as opposed to the positron emitters (such as 18F) used in PET. There are a range of radiotracers (such as 99mTc, 111In, 123I, 201Tl) that can be used, depending on the specific application.
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