卡氏肺孢子虫肺炎( PCP )，肺出现弥漫性实变，质实如肝。PCP是免疫缺陷病人的典型症状,尤其是AIDS病人。

卡氏肺孢子虫肺炎:大体　大体放大　低倍镜　高倍镜　GMS染色

This lung is as solid as liver because of Pneumocystis carinii pneumonia (PCP). There is diffuse consolidation. PCP is typical of immunocompromised patients, particularly those with AIDS.