Search on: HELICAL COMPUTED TOMOGRAPHY 
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Descriptor English:   Tomography, Spiral Computed 
Descriptor Spanish:   Tomografía Computarizada Espiral 
Descriptor Portuguese:   Tomografia Computadorizada Espiral 
Synonyms English:   CAT Scan, Spiral
CAT Scans, Spiral
CT Scan, Spiral
CT Scans, Spiral
CT, Helical
CT, Spiral
CTs, Helical
CTs, Spiral
Computed Tomography, Helical
Computed Tomography, Spiral
Computer Assisted Tomography, Spiral
Computer-Assisted Tomography, Spiral
Computerized Tomography, Spiral
Helical CT
Helical CTs
Helical Computed Tomography
Scan, Spiral CAT
Scan, Spiral CT
Scans, Spiral CAT
Scans, Spiral CT
Spiral CAT Scan
Spiral CAT Scans
Spiral CT
Spiral CT Scan
Spiral CT Scans
Spiral CTs
Spiral Computed Tomography
Spiral Computer-Assisted Tomography
Spiral Computerized Tomography
Tomography, Helical Computed
Tomography, Spiral Computer-Assisted
Tomography, Spiral Computerized  
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
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. 
Indexing Annotation English:   do not confuse with SPIRAL CONE-BEAM COMPUTED TOMOGRAPHY
History Note English:   2003 
Allowable Qualifiers English:  
AE adverse effects CL classification
EC economics ES ethics
HI history IS instrumentation
MT methods MO mortality
NU nursing PX psychology
ST standards SN statistics & numerical data
TD trends VE veterinary
Record Number:   37549 
Unique Identifier:   D036542 

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