肺动静脉瘘为临床少见疾病。本例误诊为肺结核达三年之久。现报导如下:吴某,男,19岁。1977年9月19日入院。患者1974年8月集体透视发现左肺部阴影,无症状,诊断肺结核,经抗结核治疗病变无改变。1977年夏季感觉胸闷,胸痛,咳嗽,复查拍片 Pulmonary arteriovenous fistula is a rare clinical disease. This case misdiagnosed as tuberculosis up to three years. Now reported as follows: Wu, male, 19 years old. September 19, 1977 admission. Patients in August 1974, the collective perspective of the left lung shadow, asymptomatic, diagnosis of tuberculosis, no change in the treatment of anti-TB lesions. Summer 1977 feeling chest tightness, chest pain, cough, review film