卡氏肺孢子虫肺炎是一种由卡氏肺孢子虫引起的急性肺炎，是一种少见的寄生虫疾病．本病以胸腔积液为主要表现者尤为少见．为提高对本病的认识和警惕，现将我院最近收治的1例卡氏肺孢子虫肺炎井胸腔积液患者误诊为结核性胸膜炎井胸腔积液的原因分析讨论如下．患者男性，24岁．因 Pneumocystis carinii pneumonia is an acute pneumonia caused by Pneumocystis carinii and is a rare parasitic disease. The disease is mainly manifested as pleural effusion is particularly rare. In order to improve awareness of this disease and vigilance, the hospital recently admitted to a case of Pneumocystis carinii pneumonia pleural effusion misdiagnosed as tuberculous pleurisy pleural effusion cause of the discussion discussed below. Male patient, 24 years old. because