1、原发性肾脏肿瘤病理原发性肾脏肿瘤病理分类解析分类解析 肾肿瘤种类很多,至今还没有一个统一的分类方法,根据肿瘤的来源,主要分为下列7类:2原发性肾脏肿瘤病理分类解析 1、来自肾实质的肿瘤,有肾腺瘤和肾癌(又称肾细胞癌);2、来自肾盂上皮的肿瘤,有移行乳头状瘤、移行细胞癌、鳞形细胞癌和腺癌;3、来自肾胚胎组织的肿瘤,有肾母细胞瘤(即Wilms肿瘤)、胚胎癌和肉瘤;4、来自间叶组织的肿瘤,有纤维瘤、纤维肉瘤、脂肪肉瘤、平滑肌瘤;5、来自血管的肿瘤有血管瘤、淋巴瘤和错构瘤;6、来自神经组织的肿瘤有神经母细胞瘤、交感神经母细胞瘤;7、来自肾包膜的肿瘤,有纤维瘤、平滑肌瘤、脂肪瘤、混合瘤;3原发性肾脏肿瘤
2、病理分类解析 肾肿瘤大多为恶性,预后不良,病理复杂,临床表现不一,其中以肾细胞癌最为常见,其次为肾盂移行细胞癌和肾母细胞瘤。以下简单介绍常见的3类肾肿瘤的病理特点:4原发性肾脏肿瘤病理分类解析5原发性肾脏肿瘤病理分类解析7原发性肾脏肿瘤病理分类解析CONCLUSION Renal cell carcinoma:Histogenesis:proximal tubular cells.Morphology:clear-cancerous cells and trabecularism.Clinical features:renal neoplasm and hematuria occur in 6
3、0th and 70th decades of men.Behavior:malignant tumor,often hematogenous metastasis.8原发性肾脏肿瘤病理分类解析肾胚芽组织肾内巨大肉瘤样肿块;由未分化的胚芽组织、间胚叶性间质和幼稚的肾小球和肾小管组成婴幼儿好发;早期血行转移至肺、肝等(nephroblastoma,Wilm tumor)9原发性肾脏肿瘤病理分类解析10原发性肾脏肿瘤病理分类解析11原发性肾脏肿瘤病理分类解析12原发性肾脏肿瘤病理分类解析CONCLUSION Nephroblastoma(Wilms tumor):Histogenesis:rena
4、l blastem.Morphology:blastem tissue,abortive glomeruli and tubules,mesenchymal tissue.Clinical features:renal neoplasm and hematuria occur in 2-4 years childhood.Behavior:malignant tumor,often hematogenous metastasis.13原发性肾脏肿瘤病理分类解析肾盂移行细胞癌14原发性肾脏肿瘤病理分类解析 有一定异型性的癌组织呈 伸出性和浸润性生长;依癌组织的异型性,分为I、II、III级 中老
5、年好发;易复发;以局 部浸润和淋巴路转移常见15原发性肾脏肿瘤病理分类解析16原发性肾脏肿瘤病理分类解析17原发性肾脏肿瘤病理分类解析18原发性肾脏肿瘤病理分类解析19原发性肾脏肿瘤病理分类解析20原发性肾脏肿瘤病理分类解析CONCLUSION Urothelial tumors:Histogenesis:transitional cells.Morphology:papilloma and various grades carcinoma.Clinical features:hematuria occur in adult and old men.Behavior:benign papilloma easily recur and become malignant,transitional carcinoma which is often multi-focus growth,and progresisive infiltration,invasion and destruction of the surrounding tissue.KEY WORD:Renal cell carcinoma,Nephroblastoma,Urothelial tumors21原发性肾脏肿瘤病理分类解析 谢谢!22原发性肾脏肿瘤病理分类解析