Search on: CT, SPIRAL 
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Descriptor English:   Tomography, Spiral Computed 
Descriptor Spanish:   Tomografía Computarizada Espiral 
Descriptor Portuguese:   Tomografia Computadorizada Espiral 
Synonyms English:   Computed Tomography, Spiral
Computer-Assisted Tomography, Spiral
Computerized Tomography, Spiral
CAT Scans, Spiral
CT Scans, Spiral
CT, Helical
CT, Spiral
CTs, Helical
CTs, Spiral
Computed Tomography, Helical
Computer Assisted Tomography, Spiral
Helical CTs
Scan, Spiral CAT
Scan, Spiral CT
Scans, Spiral CAT
Scans, Spiral CT
Spiral CAT Scan
Spiral CAT Scans
Spiral CT Scan
Spiral CT Scans
Spiral CTs
Spiral Computer-Assisted Tomography
Spiral Computerized Tomography
Tomography, Spiral Computer-Assisted
Tomography, Spiral Computerized
CAT Scan, Spiral
Helical Computed Tomography
Helical CT
Spiral Computed Tomography
Spiral CT
CT Scan, Spiral
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
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
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:   37549 
Unique Identifier:   D036542 

Occurrence in VHL: 		 

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