旨在估计肺结核(ptb)特别是肺空洞形成之后慢性肺曲霉病(CPA)的全球负担。
To estimate the global burden of chronic pulmonary aspergillosis (CPA) after pulmonary tuberculosis (PTB), specifically in cases with pulmonary cavitation.
虽然结节病很少见真性空洞，但是可有肺大泡的假空洞及广泛纤维化形成的支气管扩张。
Even though true cavitary sarcoidosis is rare, pseudocavities representing bullae or bronchiectasis are common in patients with extensive fibrosis.
广泛的急性炎症可导致脓肿形成，如图所示，肺上叶和肺下叶可见圆形脓肿(脓液排出后在切面上显示为空洞)。
Extensive acute inflammation may lead to abscess formation, as seen here with rounded abscesses (the purulent material has drained out after sectioning to leave a cavity) in upper lobe and lower lobe.
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