TheapplicationofspectralvirtualnonGcontrastCTinthyroiddiseases / 实用放射学杂志
Journal of Practical Radiology
;
(12): 455-458, 2019.
Article
in Chinese
| WPRIM
| ID: wpr-743561
ABSTRACT
Objective ToinvestigatethefeasibilityofspectralvirtualnonGcontrast(VNC)takingtheplaceoftruenonGcontrast (TNC)inthyroiddiseases.Methods CTimagesof30patientswiththyroiddiseasewerecollected,includingTNC,spectraldualGphase contrastandconventionaldelayedcontrastimaging.36lesionswithcorrespondingsurgeryandpathologicalconditionswereselected forretrospectiveanalysis.Theradiationdose,imagequality,meanCTvalues,SNRanddiagnosticefficacybetweenTNCand VNC werecompared.Results Theeffectivedose(ED)andtotaldoseGlengthproduct(DLP)ofthespectraldualGphasecontrastscanswere bothsignificantlylowerthanthoseofTNCincombinationwithconventionaldualGphasecontrast(P<0.05).Thesubjectivequality scoreofVNCwasslightlylowerthanthatofTNC (P<0.05),howeveritwasacceptableforradiologistwithascoreabove3.The SNRofVNCimageswassignificantlylowerthanthatofTNC (P<0.05).The meanCTvaluesofVNCimageswerelowerthan thoseofTNCimagesbutwithoutasignificantdifference(P>0.05).TheabilityofVNCtodelineatenecrosis,calcification,andlymph nodemetastasisinthelesionwasconsistentwithTNC (k>0.75).Conclusion TheimagequalityofVNCissatisfiedinthediagnosis ofthyroiddiseases.VNChassimilardiagnosticefficacytoTNCwitheffectivelyreducdingradiationdose,whichisapromisingclinical application.
Full text:
Available
Index:
WPRIM (Western Pacific)
Language:
Chinese
Journal:
Journal of Practical Radiology
Year:
2019
Type:
Article
Similar
MEDLINE
...
LILACS
LIS