肺栓塞(PE)指各种类型栓子(如血栓栓子、羊水栓子、空气栓子、脂肪栓子等)阻塞肺动脉系统引起肺循环障碍的疾病或临床综合征。肺血栓栓塞(PTE)为PE最常见的类型,占PE中的绝大多数。因PE临床表现复杂多样,误诊率较高。我们回顾2004年11月—2008年11月我院23例误诊为其他疾病的PE Pulmonary embolism (PE) refers to various types of emboli (such as thrombus embolus, amniotic fluid emboli, air emboli, fat emboli, etc.) block the pulmonary artery system caused by pulmonary circulation disorders of the disease or clinical syndrome. Pulmonary thromboembolism (PTE) is the most common type of PE, accounting for the vast majority of PE. Due to the complex and diverse clinical manifestations of PE, the misdiagnosis rate is high. We reviewed 23 patients misdiagnosed as other diseases in our hospital from November 2004 to November 2008