老年痴呆症教学课件.pptVIP

§5 Alzheimer’s disease ;Alzheimer’s disease （AD);Alzheimer’s disease 病 因 发 病;;Alzheimer’s disease 病 理 变 化;In this case of Alzheimers disease, there is more marked atrophy seen superiorly and laterally, with sparing of the occipital region. ;神经原纤维缠结;Neurofibrillary change Ag impregnation;Senile plaque; Primary intracranial tumor: Glioma 胶质瘤（40%） Meningioma 脑膜瘤（15%） Acoustic neurinoma 听神经瘤（8%） Metastatic tumors: lung, breast ;9、 人的价值，在招收诱惑的一瞬间被决定。*** 10、低头要有勇气，抬头要有低气。**** 11、人总是珍惜为得到。***** 12、人乱于心，不宽余请。**** 13、生气是拿别人做错的事来惩罚自己。***** 14、抱最大的希望，作最大的努力。**** 15、一个人炫耀什么，说明他内心缺少什么。。***** 16、业余生活要有意义，不要越轨。*** 17、一个人即使已登上顶峰，也仍要自强不息。****; Size, location nature Local effect General effect; Differentiation分化 Clinical progression Genetic changes;atypia, mitotic rate, capillary, endothelial cells, necrosis, hemorrhage;P53 mutation / loss of chr. 17p Loss of chr.22q Rb mutation / loss of chr.13q P16 deletion / loss of chr.3p Loss of chr.19q Loss of ch.10 EGFR gene amplification;astrocytoma;2021/7/9;Astrocytoma ;Glioblatona multiforme;Giant cells in glioblastoma multiforme;Giant cells in glioblastoma multiforme;Giant cells in glioblastoma multiforme, IH GFAP;Pseudopalisading (glioblastoma multiforme);Endothelial cell proliferation glioblastoma multiforme; 20y Cerebellum Primitive undifferentiated cell small tumor cells, scanty cytoplasm rosette 菊形团 Seeding through CSF Highly malignant;Medulloblastoma ;2021/7/9;Seeding of medulloblastoma; From : arachnoid cell 蛛网膜细胞 部位 : ~ arachnoid granulation dura 硬脑膜 大体：solid, gritty 砂粒样 光镜：whorl-like pattern psammoma砂粒体 Malignant: rare;meningioma;Here is another benign meningioma beneath the dura. These neoplasms are slow growing, but may reach a large size before symptoms lead to detection.;Meningioma of sphenoid wing;2021/7/9;2021/7/9;2021/7/9; From: Schwann cell 大体: encapsulated, s