Objective To study the clinical and pathological features and differential diagnosis of polyarteritis nodosa (PAN) .

目的探讨结节性多动脉炎的临床、特点及鉴别诊断。

Thickening of the arterial wall with malignant hypertension also produces a hyperplastic arteriolitis. The arteriole has an "onion skin" appearance.

恶性高血压引起的动脉增厚发生增生性小动脉炎，小动脉呈洋葱现。

The lesions can be showed as arteriitis,arteriectasis,aneurysm and arterial stenosis stenosis..Ultrasonic cardiography is the first choice to detect the lesions.

冠状动脉损害可现为动脉炎、动脉扩张、动脉瘤和动脉狭窄等,超声心动图是检测川崎并发冠状动脉损害的首选方法。