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TOMOGRAPHY, HELICAL COMPUTED
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DeCS
Descriptor
English
:
Tomography, Spiral Computed
Descriptor
Spanish
:
Tomografía Computarizada Espiral
Descriptor
Portuguese
:
Tomografia Computadorizada Espiral
Synonyms
English
:
Helical Computed Tomography
Helical CT
Spiral Computed Tomography
Spiral CT
Tomography, Helical Computed
Tree Number:
E01.370.350.350.810.800
E01.370.350.600.350.700.810.800
E01.370.350.700.700.810.800
E01.370.350.700.810.810.800
E01.370.350.825.810.810.800
H01.671.606.799.484.802.935.800
Definition
English
:
Computed
tomography
where there is continuous X-ray exposure to the patient while being transported in a spiral or helical pattern through the beam of irradiation. This provides improved three-dimensional contrast and spatial resolution compared to conventional computed
tomography
, where data is obtained and computed from individual sequential exposures.
History Note
English
:
2003
Allowable Qualifiers
English
:
adverse effects
classification
contraindications
economics
ethics
history
instrumentation
mortality
methods
nursing
psychology
statistics & numerical data
standards
trends
utilization
veterinary
Record Number:
37549
Unique Identifier:
D036542
Occurrence in VHL
:
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