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Radiology Lexicon
Last uploaded:
December 1, 2025
| Id | http://www.radlex.org/RID/RID10337
http://www.radlex.org/RID/RID10337
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|---|---|
| Preferred Name | positron emission tomography |
| Definitions |
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. SPECT is closely related to PET, but uses isotopes with longer half-lives and resolution is lower. [MeSH]
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| Synonyms |
PET
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| Type | http://www.w3.org/2002/07/owl#Class |
All Properties
| prefLabel |
positron emission tomography
positron emission tomography
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|---|---|
| label | positron emission tomography
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| RadLexID | RID10337
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| Source | Playbook
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| type | |
| Acronym | PET
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| Definition | 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. SPECT is closely related to PET, but uses isotopes with longer half-lives and resolution is lower. [MeSH]
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| Member_Of | |
| prefixIRI | RID:RID10337
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| ExternalRefID | UMLS:C0032743
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| subClassOf |
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