IdentificationofCTtargetreconstructioninpersistentinvasivepureground-glassnodules
10.3969/j.issn.1002-1671.2019.04.012
- VernacularTitle:CT靶重建在持续性浸润性肺纯磨玻璃结节的鉴别
- Author:
Dai SHI
1
;
Hongya XIE
;
Xiaoqiang LIU
;
Wu CAI
;
Guangqiang CHEN
;
Guohua FAN
Author Information
1. 苏州大学附属第二医院CT室
- Keywords:
lungneoplasms;
puregroundglassnodules;
computedtomography
- From:
Journal of Practical Radiology
2019;35(4):561-564
- CountryChina
- Language:Chinese
-
Abstract:
Objective ToexplorethevalueofCTtargetreconstructionforpureground-glassnodules(pGGN)onidentifyingthe invasivenessofthelungadenocarcinoma.Methods ThepGGNs weredividedintopre-invasivegroup[atypicaladenomatoushyperplasia (AAH),andadenocarcinomainsitu(AIS)]andinvasivegroup[minimallyinvasiveadenocarcinoma(MIA),andinvasiveadenocarcinomas(IA)] accordingtothepathologicresults.ThemorphologicfeaturesofpGGNonCTincludedthelargestdiameters,CTvalue,pleuralindentation,air bronchogram,bubblelucency,vesselconvergence,vesseldilatation,lobulationandspeculation.Twodiagnosticiansevaluatedthemorphologic featuresofpGGNonCT.Binary L o g istic regressionwasusedtoassesstheassociationbetweenCTfindingsandhistopathological classification.ROCcurveanalysiswasusedindiameterandCTvalue.Results Betweenpre-invasiveandinvasivegroup,therewere significantdifferencesindiameter,CTvalue,spiculationandvesseldilatation(P<0.05).Nodifferencewasfoundinlobulated-margin,bubble lucency,airbronchogram,vascularconvergenceorpleuralindentationbetweenthetwogroups(P>0.05).Thediagnosticthresholds forpredictingpGGOinfiltrationwere8.75mminmaximumdiameterand-605HUinCTvaluerespectively.Conclusion ThepGGNwitha diametermorethan87.5mm,theCTvaluemorethan-605HU,andpresencesofspiculationandvesseldilatationsuggeststhatpGGOisinvasive.
