胸腔积液(简称胸液)是一种常见的病征,在老年人中并不少见。其病因繁多、临床表现也不同于中青年人。为了做到合理治疗,除弄清病因外,尚须掌握其临床特点。因此,本文在复习胸液的发生机制的基础上,看重讨论老年人胸液的病因和临床表现特点。以供临床参考。 Pleural effusion (referred to as pleural fluid) is a common symptom, not uncommon in the elderly. Its etiology, clinical manifestations are also different from young people. In order to achieve reasonable treatment, in addition to clarify the cause, but also need to grasp the clinical features. Therefore, this article reviews the pathogenesis of pleural fluid, focusing on the etiology and clinical features of the elderly pleural effusion. For clinical reference.