自发性气胸是一常见病,但家族性少见。通常,大部分自发性气胸是由肺尖部胸膜下肺大泡破裂所致,还有一部分有其基础疾患。例如马凡综合征可为家族性,常并发自发性气胸,认为与先天性结缔组织结构不良或缺乏有关。本文报道的家族性气胸,无基础疾患,染色体检查亦无异常。 Spontaneous pneumothorax is a common disease, but rarely familial. Usually, most of the spontaneous pneumothorax is caused by the rupture of the subpleural bullae in the apical section of the lung and some of the underlying disorders. For example, Marfan syndrome may be familial, often complicated by spontaneous pneumothorax, that congenital connective tissue structure or lack of related. This article reports a familial pneumothorax, no underlying disease, chromosomal abnormalities.