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1·Small lesions may exhibit no caseation.

微小病灶可不出现干酪性坏死。

2·Some of the larger granulomas have central caseation.

一些较大的肉芽肿中央有干酪样坏死。

3·Larger nodules may have central necrosis known as caseation — a process of necrosis that includes elements of both liquefactive and coagulative necrosis.

较大的结节可能存在中央部位的干酪样坏死——包括液化性坏死和凝固性坏死的过程。

4·When there is extensive caseation and the granulomas involve a larger bronchus, it is possible for much of the soft, necrotic center to drain out and leave behind a cavity.

当存在广泛的干酪性坏死并且肉芽肿累及较大的支气管时，大量的坏死物排出，留下空洞。