病例介绍 :患者男性 ,2 4岁 ,间歇性咳嗽 5月余 ,加重2天入院。 5月前无明显诱因咳嗽 ,以“感冒”治疗 ,好转后反复发生低热 ,痰少量、稀薄 ,无其它不适 ,血常规及血沉正常 ,胸透发现左肺下叶病变。Ｘ线表现 :左肺下叶背段大片状高密度实变影 ,其内可见多发大小不等蜂窝状低密 Case description: Male patients, 24 years old, intermittent cough more than 5 months, increased 2 days admission. 5 months ago no obvious incentive to cough, “cold” treatment, improved after repeated low fever, sputum small, thin, no other discomfort, blood and ESR normal, chest X-ray found lesions of the left lower lobe. X-ray findings: the left lower lobe of the large piece of high-density solidified shadow, which can be seen in multiple sizes honeycomb-like low-density