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TOMOGRAPHY, POSITRON-EMISSION
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DeCS
Descriptor
English
:
Positron-Emission Tomography
Descriptor
Spanish
:
Tomografía por Emisión de Positrón
Descriptor
Portuguese
:
Tomografia por Emissão de Pósitrons
Synonyms
English
:
PET Scan
Tomography, Positron-Emission
Tree Number:
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
H01.671.606.799.484.901.500
Definition
English
:
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.
History Note
English
:
2005; use TOMOGRAPHY, EMISSION-COMPUTED 1979-2004
Allowable Qualifiers
English
:
adverse effects
classification
contraindications
economics
ethics
history
instrumentation
mortality
methods
nursing
psychology
statistics & numerical data
standards
trends
utilization
veterinary
Record Number:
38793
Unique Identifier:
D049268
Occurrence in VHL
:
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