scarring

When the bullae are subepidermal, they are tense, and ulceration and scarring may result.

如果大位于表皮下，紧张，最终可能形成溃疡和瘢痕。

Carmustine and busulfan, which can increase risk for scarring and inflammation of the lungs.

卡莫司汀和白消安：可增加肺部瘢痕与炎的风险。

In 2 to 3 weeks, the vesicles will dry up and form crusts and after the decrustation, the vesicles are heated almost, always without scarring.

疹在2-3周后，渐见干燥结痂，最后痂退而愈。愈后一般不留瘢痕。少数有时疼痛可延续较长时间。