血清CA72-4、CA19-9检测联合全身骨显像在胃癌骨转移中的诊断价值路宝士(通信作者)赵立明(临沂市人民医院核医学科山东临沂276003)【屮图分类号】R735.2【文献标识码】A【文章编号】1672-5085(2013)27-0109-02【摘要】R的评价血淸肿瘤标志物糖类抗原72-4(CA72-4)、糖类抗原19-9(CA19-9)检测联合全身骨显像在H癌骨转移诊断屮的价值。方法对97例胃癌患者(其屮,骨转移者34例、无骨转移者63例)及54例良性胃部疾病患者(对照组)行SPECT全身骨显像和CT或MRI检查,同时,用电化学发光法测定其血淸CA72-4、CA19-9含量,并将两者的结果进行比较。结果骨转移组CA72-4、CA19-9水平明显高于无骨转移组和对照组,其诊断阳性率分别为75.29%、62.43%,骨转移组全身骨显像32例为阳性(占94.12%),仅2例为阴性(占5.88%),但CT或MRI发现转移;无骨转移组及对照组骨显像个别为阳性,均由手术或外伤引起。结论CA72-4、CA19-9检测联合全身骨显像有助于提高胃癌骨转移的检出率。【关键词】全身骨显像血淸肿瘤标志物胃癌骨转移ThevalueofcombinedexaminationofserumCA72-4,CA19-9levelandwholebodybonescaninthediagnosisofbonemetastasisingastriccancerLUBao-shi,ZHAOLi-ming(DepartmentofNuclearMedicine,ThePeople’HospitalofLinyi,Linyi276003,China)【Abstract】ObjectiveToexplorethevalueofcombinedexaminationofserumtumormarkerscarbohydrateantigen72-4(CA72-4),carbohydrateantigenl9-9(CA19-9)andwholebodybonescaninthediagnosisofbonemetastasisingastriccancer.MethodsWholebodybonescan,CTorMRI,serumCA72-4andCA19-9levelswithachemicalluminiferousdeterminationwereperformedin97patientswithgastriccancer(34caseswithbonemetastasisand63caseswithoutbonemetastasis)and54patientswithbenigngastricdiseases.ResultsTheserumlevelofCA72-4andCA19-9weresignificantlyhigherinpatientswithbonemetastasisthanthoseinpatientswithoutbonemetastasisandthecontrols.Thepositivepredictingvalueswere75.29%,62.43%.Mostpatientswithbonemetastasishadpositiveresultsinbonescan(94.12%),only2caseshadnegativeresults(5.88%),whichispositivebyCTorMRI.Afewpatientswithoutbonemetastasisandthecontrolshadpositiveresultsinbonescan,thatmaybecausedbypreviousoperationorinjury.ConclusionThecombinedexaminationofCA72-4,CA19-9andwholebodybonescanwerevaluableinthediagnosisofbonemetastasisofgastriccancer.【Keywords]wholebodybonescanserumtumormarkergastriccancerbonemetastasis胃癌是我国常见的亲骨性恶性肿瘤之一,其发病率逐年上升,骨转移是其最常见的并发症之一,发生骨转移将极人地影响患者的生存质量,II预后不佳,其病死率居各种消化道恶性肿瘤之首[1】。判断胃癌有无骨转移,对制定治疗方案、判断预后有重要意义。全身骨显像是诊断骨转移的重要方法,通过放射性核素的异常分布发现转移灶。糖类抗原CA72-4和CA19-9是胃癌诊断中常用的血清肿瘤标志物[2】。本研究探讨全身骨显像联合血清CA72-4、CA19-9检测在胃癌骨转移诊断中的价值,现报道如下。1资料与方法1.1临床资料对照组:54例(男31,女23),年龄(39〜65)岁,为本院收治的胃良性疾病患者,包括急、慢性胃炎、胃溃疡等。胃癌骨转移组:34例(男19,女15),年龄(43〜75)岁,为在我院门诊或住院治疗的胃癌患者,包括乳头状腺癌5例、管状腺癌7例、低分化腺癌12例、黏液腺癌2例、印戒细胞癌8例。胃癌无骨转移组:63例(男35,女28),年龄(41〜79)岁,为在我院门诊或住院治疗的胃癌患者,包括乳头状腺癌13例、管状腺癌10例、低分化腺癌16例、黏液腺癌9例、印戒细胞癌15例。所有患者均经临床、病理、胃镜检查、血清肿瘤标志物检测及影像学检查确诊,排除其它系统良恶性肿瘤及可能对骨显像和肿瘤标志物检测造成干扰的疾病。1.2显像方法按常规方法静脉注射显像剂99Tcm–MDP20mCi(由北京原子高科股份有限公司提供),3h后行全身前、后位平面显像。图像采集使用日本东芝公司的GCA7100A/DI型SPECT仪,配低...