·117CHINESEJOURNALOFCTANDMRI,FEB.2023,Vol.21,No.02TotalNo.160【第一作者】孙双双,女,硕士研究生,主要研究方向:腹部影像学。E-mail:sunshuangshuang126@126.com【通讯作者】周正扬,男,主任医师,主要研究方向:功能磁共振成像。E-mail:zyzhou@nju.edu.cn论著TheCTMorphologicalFeaturesandQuantitativeParametersinthePredictionofSeverityandLengthofHospitalStayofAcutePancreatitisSUNShuang-shuang1,LIUSong1,ZHUXiao-qian1,ZHANGSong2,FENGYong-jing1,ZHOUZheng-yang1,*.1.DepartmentofRadiology,NanjingDrumTowerHospital,TheAffiliatedHospitalofNanjingUniversityMedicalSchool,Nanjing210008,JiangsuProvince,China2.DepartmentofGastroenterology,NanjingDrumTowerHospital,TheAffiliatedHospitalofNanjingUniversityMedicalSchool,Nanjing210008,JiangsuProvince,ChinaABSTRACTObjectiveToexplorethevalueofcomputedtomography(CT)morphologicalfeaturesinpredictingtheseverityandlengthofhospitalstayofacutepancreatitis(AP).MethodsAtotalof76casesofAPwereretrospectivelycollected.MultiplemorphologicalfeaturesonCTimageswereevaluated,andthepancreaticanterior-posteriordiametersinthehead,body,andtailwerealsomeasured.ThedifferenceofcategoricalvariableswasusedChi-squaretestorFisher'sexacttest,andthedifferenceofquantitativedatawasanalyzedbytheMann-WhitneyUtest.Receiveroperatingcharacteristic(ROC)curveswereperformedtoidentifythediagnosticperformanceofparameters.ResultsThereweresignificantdifferencesinCTmorphologicalcharacteristicsbetweendifferentAPseveritygroups,suchasperipancreaticfatturbidity,peripancreaticfluidcollection,widerangeoffluid,chestandabdominalwalledema,pleuraleffusion,andatelectasis(allP<0.05).Theanterior-posteriordiameterofpancreaticheadofsevereAPwassignificantlyhigherthanthatofnon-severeAP(P=0.041).TheareaundertheROCcurve(AUC)ofanterior-posteriordiameterofpancreaticheadcombinedwithCTmorphologicalfeaturesforpredictingsevereAPwas0.866.CTmorphologicalcharacteristicsbetweengroupswithdifferentlengthofhospitalstayhadsignificantdifferences,suchasrenalfasciathickening,widerangeoffluid,chestandabdominalwalledema,ple...