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POSITRON-EMISSION TOMOGRAPHY
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DeCS
Descriptor
English
:
Positron-Emission Tomography
Descriptor
Spanish
:
Tomografía de Emisión de Positrones
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
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
. SINGLE-PHOTON EMISSION-COMPUTED
TOMOGRAPHY
is closely related to positron emission
tomography
, but uses
isotopes
with longer half-lives and resolution is lower.
History Note
English
:
2005; use TOMOGRAPHY, EMISSION-COMPUTED 1979-2004
Allowable Qualifiers
English
:
AE
adverse effects
CL
classification
CT
contraindications
EC
economics
ES
ethics
HI
history
IS
instrumentation
MT
methods
MO
mortality
NU
nursing
PX
psychology
ST
standards
SN
statistics & numerical data
TD
trends
UT
utilization
VE
veterinary
Record Number:
38793
Unique Identifier:
D049268
Occurrence in VHL
:
Similar:
DeCS
CID-10
SciELO
LILACS
LIS