其初期的病灶为紫斑性丘疹，进而形成表浅之溃疡，而后形成不规则状萎缩性疤痕。
The primary lesions consist of purpuric papules which undergo superficial ulceration, followed by the development of irregular atrophic scars.
其初期的病灶为紫斑性丘疹，进而形成表浅之溃疡，而后形成不规则状萎缩性疤痕。
The primary lesions consist of purpuric papules which undergo superficial ulceration, followed by the development of irregular atrophic scars.
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