已查明约有8.6—17.3％的遗传出血性毛细血管扩张症(НГТ)病人发生肺动静脉瘤。但由于许多动静脉瘤只是在解剖时才被发现,因此可以认为,在НГТ时肺动静脉瘤的发生远远超过上述数字。肺动静脉瘤是肺动脉和静脉系统之间的异常联结,因而血液从右向左不经毛细血管网而流过。其临床症状如咳嗽、紫绀、继发性红细胞增多症通常在病人的后半生出现。症状表现决定于大循环系统中未氧 Pulmonary aneurysms have been identified in about 8.6-17.3% of patients with hereditary hemorrhagic telangiectasia (НГТ). However, since many aneurysms are only found on the anatomy, it is believed that the incidence of pulmonary AV aneurysms far exceeds the above figure at НГТ. Pulmonary aneurysm is an abnormal connection between the pulmonary artery and the venous system, so blood flows from right to left without capillary network. The clinical symptoms such as cough, cyanosis, secondary to polycythemia usually appear in the patient’s second half. Symptoms manifestations in the circulatory system is not oxygen