自发性气胸临床上诊断并不困难．但在严重肺气肿患者，由于肺部基础病变表现比较突出，往往掩盖了气胸的症状和体征，给诊断带来一定困难。本文报道此类患者21例．并就有关诊治问题进行讨论。临床资料1．一般资料本组21例均为重度肺气肿患者，男性18例．女性3例。年龄46～76岁? Spontaneous pneumothorax is not difficult to diagnose clinically. However, patients with severe emphysema, due to the performance of the more prominent lung lesions, often cover the symptoms and signs of pneumothorax, to bring some difficulties in the diagnosis. This article reports 21 cases of such patients. And discussion on the diagnosis and treatment issues. Clinical data 1. General information 21 patients in this group were patients with severe emphysema, 18 males. Three women. Age 46 to 76 years old?