肿瘤病理学PathologyofNeoplasia肿瘤是目前死亡常见原因之一。恶性肿瘤是男性第二位死因,女性第三位主要死因。我国最常见恶性肿瘤:城市:肺癌、胃癌、肝癌、肠癌和乳癌农村:胃癌、肝癌、肺癌、食管癌、肠癌基本概念肿瘤的慨念肿瘤是机体中正常细胞,在不同始动与促进因素长期作用下所产生的增生与异常分化所形成的新生物。肿瘤的特点新生物一旦形成,不因病因消除而停止增生。它不受机体生理调节,而是破坏正常组织与器官。Introduction:Inflammatory,Degenerative&NeoplasticGrowth–-:–Swelling/newgrowth/massControlsofGrowth:Cytokines:Cyclins,Cyclindependentkinases(CDK).Growthfactors–PDGF,–p53Oncogenes–c-onc,p-onc,v--NeoplasticProliferation:*Controlled&ReversibleHypertrophy肥大–SizeHyperplasia增生–NumberMetaplasia化生–ChangeDysplasia异常增生–DisorderedNeoplasia:Progressive,Purposeless,Pathologic,–Chemical,physical&icDNAdamage:NormalHyperplasiaMetaplasia化生(DNAdamage)Dysplasia异常增生(DNAdamage)(DNAdamage)Anaplasia间变(DNAdamage)Infiltration浸润(DNAdamage)Metastasis转移….ProgressiveDNADamage–:NonlethalDNADamageleadingtouncontrolledcelldivision.
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