1　病历摘要患儿 ,男 ,10岁。因发热 1个月 ,发现胸腔积液 2 0日 ,于 2 0 0 2 - 12 - 2 3入院。患儿于入院前 1个月 ,无明显诱因出现发热 ,体温最高 37 8℃ ,以午后发热多见 ,伴咳嗽、胸部不适、轻度乏力。 1周后到北京某医院就诊 ,拍胸片、胸部CT扫描示左肺上叶病灶 ,右肺下叶 1 medical records summary children, male, 10 years old. Due to fever for 1 month, pleural effusion was found on day 20 and was admitted to the hospital from 2002 to December 2003. Children 1 month before admission, no obvious incentive to fever, the highest temperature of 378 ℃ to fever more common in the afternoon, with cough, chest discomfort, mild fatigue. A week later to a Beijing hospital for treatment, chest radiography, chest CT scan showed left upper lobe lesions, lower right lung