简介：张工的儿子在一家医院的辅助科室工作.受儿子工作的影响,她对医学知识较为关注.这不,一个人在家的她正一边看着电视中徐光炜教授的科普讲解,一边同步进行着乳腺自检.她非常仔细,对讲解的任何一个细节都不放过.进行到乳头视诊时,她发现自己左侧的乳头有轻度的内陷.按电视上所讲,这可能是乳腺癌的早期征象.于是她让儿子带她到肿瘤医院检查,最后发现了一个直径只有0.6cm、无法摸到的早期癌.

简介：Objective:ToinvestigatetherelationshipbetweenNAD(P)H:quinoneoxidoreductase1(NQO1)C609TpolymorphismandcoloncancerriskinfarmersfromwesternregionofInnerMongolia.Methods:Polymerasechainreaction-restrictionfragmentlengthpolymorphism(PCR-RFLP)wasperformedtoanalyzeNQO1C609Tpolymorphismfrom160healthycontrolsand76coloncancerpatients.Results:Amongthecoloncancerpatients,theincidenceofNQO1Tallele(53.29%)wassignificantlyhigherthanitincontrolgroup(33.75%,P<0.001).TheindividualswithNQO1Tallelehadhigherrisk[2.239(95%CI:1.510-3.321)times]todevelopcoloncancerthanindividualswithNQO1Callele.TheincidenceofNQO1(T/T)(34.21%)incoloncancerpatientswashigherthanthatincontrolgroup(15.62%,P<0.001).Oddsratios(OR)analysissuggestedthatNQO1(T/T)andNQO1(T/C)genotypecarriershad3.813(95%CI:1.836-7.920)timesand2.080(1.026-4.219)timesriskcomparedwithwild-typeNQO1(C/C)genecarriersindevelopingcoloncancer.IndividualswithNQO1(T/T)genotypehad2.541(95%CI:0.990-6.552)times,3.713(95%CI:1.542-8.935)times,and3.471(95%CI:1.356-8.886)timesriskthanindividualswithNQO1(T/C)orNQO1(C/C)genotypeinwelldifferentiated,moderately-differentiated,andpoorly-differentiatedcoloncancerpatients,respectively.Conclusions:NQO1geneC609TcouldbeoneofriskfactorsofcoloncancerinfarmersfromwesternregionofInnerMongolia.