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肺液化性坏死

肺液化性坏死

图示:肺的两个液化性坏死灶。在损伤组织区域中央发生液化。一个脓肿在肺上叶一个在肺下叶。液化性坏死是含有较多脂质器官(如脑)的坏死类型。当大量的急性炎症细胞释放蛋白溶解酶破坏周围组织时,即发生脓肿(液化性坏死)。

The two lung abscesses seen here are examples of liquefactive necrosis in which there is a liquid center in an area of tissue injury. One abscess appears in the upper lobe and one in the lower lobe. Liquefactive necrosis is typical of organs in which the tissues have a lot of lipid (such as brain) or when there is an abscess with lots of acute inflammatory cells whose release of proteolytic enzymes destroys the surrounding tissues.


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