压迫性萎缩(Compression atrophy)

*,*,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,压迫性萎缩,(Compression atrophy),Tissues are compressed,for long time.,肾积水 (hydronephrosis):,肾盂扩张,(,pyelectasis,),肾实质薄如粉皮,(Thinning of renal parenchyma),Morphology: fatty degeneration,脂肪肝,大体：肝肿大,边缘钝,淡黄色,质软,油腻感,Gross: yellow, soft, large, greasy,(1)干性坏疽(dry gangrene),部位,: 体表及四肢,特点,：较干燥，感染较轻，边界清楚,原理,: 水分蒸发, 动脉阻塞，静脉回流畅通,Tissue dies,dries up, and turns black.,H,2,S+,Fe,+,FeS,贫血性梗死(anemic infarct),脾梗死:,灰白、干燥、质实、边界清，锥体状,看到这！,Nutmeg Liver,槟榔肝,肺出血性梗死,(infarction),4. 梗死的类型(Types),(1)贫血性梗死,（anemic infarct）,白色梗死,(white infarct),含血少,(2)出血性梗死,(hemorrhagic infarct),红色梗死,(red infarct),含血多,(3)败血性梗死,(,septic infarct),含菌栓子,梗死(infarction of kidney):,锥体形,骨肉瘤,骨肉瘤,Lipoma（脂肪瘤）,Leiomyoma（子宫平滑肌瘤）,Leiomyosarcoma（子宫平滑肌肉瘤）,leiomyosarcoma,（子宫平滑肌肉瘤）,纤维肉瘤,中央型肺癌,门脉性肝硬化,门脉性肝硬化,圆形/椭圆结节,直径0.15-0.5cm,1cm,弥漫性分布,切面黄褐色,岛屿状结节,纤维间隔包绕,门脉性肝硬化,Lobar Pneumonia（红色肝样变期）,小叶性肺炎：散在以细支气管为中心的灰黄色病灶,小叶性肺炎病灶相互融合,Bronchiectasis（支气管扩张）,bronchiectasis,bronchiectasis,纤维素性心包炎,（rheumatic pericarditis,Cor villosum,绒毛心,Pathological changes,Macrography,瘢 痕 肾,病理变化: 胃溃疡,部位,：胃小弯，近幽门多见，尤在胃窦部。,特点,：一个，圆形或椭圆形，皱襞集中,直径2cm。溃疡边缘整齐，底部平整,深。,2.急性蜂窝织炎性阑尾炎,（acute phlegmonous appendicitis）,阑尾肿胀、高度充血,表面纤维素性渗出物,脓点,大体,：,色灰白，质硬，无包膜,界不清，活动度差,侵润性生长,乳头下陷，,橘皮样外观,浸润性导管癌,Here is a classic infiltrating ductal carcinoma,This infiltrating ductal carcinoma of the breast is definitely infiltrating the surrounding breast. The central white area is very,hard,and,gritty,because the neoplasm is producing a desmoplastic reaction with lots of collagen. This is often called a ,scirrhous, appearance.,肉眼,：,*,橡皮样,，灰白柔韧，边界不清,*,转移特殊性,：脑脊液、浆膜面、卵巢、,子宫、骨髓,浸润性小叶癌,占10%25%。,2）子宫颈腺癌,(cervical adenocarcinoma),A large protruding mass is seen in cervical canal extending to the fornix of vagina.,子宫平滑肌瘤,A large, solitary leiomyoma,Red,degeneration,子宫内膜癌,浸润性肺结核：,病变较局限于肺上叶，有空洞形成，并有肺实变,慢性纤维空洞性肺结核：显示结核空洞。,大叶性干酪性肺炎,小叶性干酪样肺炎,脊椎结核,肺门淋巴结高度肿大,淋巴结结核,Gross 2,流行性脑脊髓膜炎,流行性脑脊髓膜炎,Gross 1,流行性脑脊髓膜炎,髓样肿胀期,肠伤寒,肠伤寒,阿米巴痢疾肠,细菌性痢疾肠,菌痢肠表面假膜,动脉粥样硬化,动脉粥样硬化,动脉粥样硬化纤维斑块,