yd23.jpg (63291 bytes) 23.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 and lower lobes.

23.广泛的急性炎症会导致脓肿形成,如图所示:肺上下叶的圆形脓肿灶(取材时脓肿流走,留下空腔)