压迫性萎缩(Compression atrophy).ppt

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.,H2S+ 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,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,