Diagnostic Test
Positron-Emission Tomography
Diagnostics
Overview
An imaging technique using compounds labelled with short-lived positron-emitting radionuclides (such as carbon-11, nitrogen-13, oxygen-15 and fluorine-18) to measure cell metabolism. It has been useful in study of soft tissues such as CANCER; CARDIOVASCULAR SYSTEM; and brain. SINGLE-PHOTON EMISSION-COMPUTED TOMOGRAPHY is closely related to positron emission tomography, but uses isotopes with longer half-lives and resolution is lower.
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Quick facts about Positron-Emission Tomography
- Topic type
- Diagnostic Test
- Category
- Diagnostics
- MeSH classification
- E01.370.350.350.800.700|E01.370.350.600.350.800.399|E01.370.350.710.800.399|E01.370.350.825.800.399|E01.370.384.730.800.399
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Source: Medical Subject Headings (MeSH), produced by the U.S. National Library of Medicine. EuroCareFinder is not endorsed by the National Library of Medicine. MeSH version: 2026.