穿透性动脉溃疡当出现血管动力学异常、壁内血肿、先兆破裂、或无法抑制的疼痛时，需要采用外科手术修补。

Surgical repair of a penetrating aortic ulcer is usually indicated when there is hemodynamic instability, an intramural hematoma, signs of impending rupture, or inability to control pain.

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或是疤痕样表面光滑的纤维样斑，无明显毛细血管扩张、溃疡及隆起。

Or it is the fiber appearance spot with scar shape smooth face without dilate of apparent blood capillary ulcer and apophysis.

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目的观察外伤性皮肤溃疡表皮血管内皮生长因子（VEGF）的表达。

Objective To investigate the expression of vascular endothelial growth factor(VEGF) in human skin ulcer margin.

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