SurgeryforSmallPancreaticDuctDilatationtoPreventCancer
LiamDavenport
May28,
Patientswithintraductalpapillarymucinousneoplasms(IPMNs,胰腺粘液性囊腺瘤)shouldundergosurgeryifthereisevenasmalldilatationofthemainpancreaticduct(MPD,主胰管),sayUSresearchers.Theyarguethatsuchsurgerycouldhelppreventthedevelopmentofpancreaticcancer(胰腺癌).
"Changingtomoreaggressive(侵袭性)guidelineswillleadtomoresurgeriesbutwouldlikelysavemorelives,"saidRossBeckman,MD,aresidentandpostdoctoralfellow(博士后研究员)attheJohnsHopkinsUniversitySchoolofMedicine,Baltimore,Maryland.
HewasleadauthorofastudypublishedearlierthisyearintheAnnalsofSurgery.
Thestudysetout(开始)toexaminefactorsthatpredictthedevelopmentofpancreaticcancer.TheresearchersreviewedtherecordsofalmostpatientswithIPMNwhounderwentpancreaticresection(切除术)atleadingcentersinSwedenandtheUnitedStates.
Theirreviewrevealedthatofallthepreoperativepatientanddisease-relatedfactorsexamined,onlydilatation(扩张)oftheMPDsignificantlypredictedthepresenceofhigh-gradeorinvasive(侵袭性)IPMN,aconditionassociatedwithcancerprogression.
Asexpected,dilatationof≥10mmwasassociatedwithamorethansixfoldincreasedriskforhigh-gradeIPMNand15-foldincreasedriskforinvasiveIPMN.
However,evenadilatationof5mm–9.9mm,whichisnotuniversallyregardedasanindicationforsurgery,waslinkedtoanalmostthreefoldincreasedriskforhigh-gradeIPMNandamorethanfourfoldincreasedriskforinvasiveIPMN.
"Ifwecontinueusingthemoreconservative(保守的)cutoff(切掉)pointof10-mmdilationfordecidingwhentoremovethesecysts,thisstudysuggestswewillmissalotofpeoplewhowillgoontodevelopcancer,"Beckman北京正规白癜风医院北京正规的白癜风医院