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多发性大动脉炎是一种原因不明的多发性、慢性、进行性、非特异性炎症性疾病,主要累及主动脉及其主要分支、肺动脉,导致管腔节段性狭窄甚至闭塞,并可继发血栓形成。好发于年轻女性。按受累血管部位不同,临床分为4型:头臂型、胸腹主动脉型、肾动脉型和混合型。临床分为活动期和非活动期。常规超声检查多着眼于对内中膜厚度及管腔狭窄情况的观察,而对病变部位新生血管的观察则受限,有研究用超声造影技术观察新生血管情况
Polyarteriitis is an unknown cause of multiple, chronic, progressive, non-specific inflammatory diseases, mainly involving the aorta and its major branches, pulmonary artery, leading to segmental stenosis or occlusion and secondary thrombosis form. Occur in young women. According to different parts of the affected vessels, the clinical is divided into 4 types: the first arm type, thoracoabdominal aortic type, renal artery type and mixed type. Clinical divided into active and inactive periods. Conventional ultrasound and more focus on the thickness of the intima and stenosis of the observation, and the lesion site of the new blood vessels are limited observation of the use of ultrasound angiography observation of new blood vessels