Lung abscess

…However, in cases of pneumonia caused by Staphylococcus aureus or Klebsiella pneumoniae, where the lung parenchyma tends to be destroyed and abscesses are often formed, the distinction between the two is not always clear. Traditionally, lung abscesses caused by aerobic bacteria infections and lung gangrene caused by anaerobic bacteria infections were distinguished, but there are many cases of mixed infections, making it difficult to clearly distinguish between the two, so the two are collectively referred to as lung suppuration. The introduction of antibiotics has drastically reduced the incidence and mortality rates. …

*Some of the terminology that mentions "lung abscess" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

…しかし，ブドウ球菌もしくは肺炎杆菌による肺炎のように，肺実質の破壊傾向があり膿瘍をつくることもしばしばみられる場合，両者の区別は必ずしも明確ではない。従来は好気性菌感染による肺膿瘍lung abscessと，嫌気性菌感染による肺壊疽（はいえそ）lung gangreneの二つに区別したが，混合感染例も多く両者を判然と区別するのは困難なこともあり，両者を総括して肺化膿症と呼んでいる。抗生物質の導入により発生頻度は激減し，死亡率も著しく低下した。…

※「lung abscess」について言及している用語解説の一部を掲載しています。

出典｜株式会社平凡社世界大百科事典 第２版について | 情報