最佳答案偶然看到美国的治疗方案，贴在这里，也许可以参考。其中，若需要美国的药品，到世界药房看看，所有国外产的药那儿都有，直接从原产国邮寄，质量好且价格便宜。http://www.YaoFang.us或者http://www.YaoDian.us
PhotodynamicTherapy
OneoftheinnovativeCancerTreatmentCentersofAmericafacilitiesoffersapromisingnewtreatmentcalledphotodynamictherapy（PDT）.PDTisatwo-stepprocedurethatisdoneonanoutpatientbasis.Youwillbeinjectedwithalight-activateddrug（Photofrin）,whichtargetscancerouscells.Approximately24-48hourslater,alaserlightisdirectedontotumorcells,exposingthecanceroustissuetoacertainspectrumoflight.Thelight"switcheson"thedrug,destroyingthecancerouscellswithoutdamagingyoursurroundinghealthytissue.
ThebenefitsofPDTinclude:
-Itisperformedonanoutpatientbasis
-Itisrelativelypainfree
-PDTrequiresminimalsedation
-Thetreatmentinvolveslessriskthansurgicalprocedures
-Thereareminimalsideeffects
TherearetwopossiblemainsideeffectspossiblewithPDT:
-Localswellinginflammation,whichmayoccurinandaroundyouresophagusandskins,causingsomediscomfort.
-AllPDTpatientsexperiencephotosensitivityforapproximately30daysduetothecontinuedpresenceofthedruginthebody.FromthetimeyoureceiveaninjectionofPhotofrin,yourskinandeyeswillbesensitivetobrightlight.Youshouldavoidexposuretobrightlightordirectsunlighttopreventsunburn,redness,andswelling.Normalindoorlighting,televisionandcomputerexposurearefine.
Otherpotentialsideeffectsinclude:nausea,feverand/orconstipation.Theseusuallysubsidein48-72hours.
Aboutthelightsourceused:
-Alow-powerlaserisused,whichisnotthesametypeusedinlasersurgery.ThelightusedinPDTisnon-thermal,meaningnoheatisinvolved.
参考资料：http://www.cancercenter.com/skin-cancer/photodynamic-therapy.cfm
回答者：drums|2009-08-2117:57:53
