purpurite

例句：

1. 1. The patient was diagnosed with purpura fulminans, which is a severe form of purpura.
   这名患者被诊断出患有严重的紫癜病。
2. 2. Purpura fulminans can be caused by various factors such as infection or injury.
   紫癜病可能由各种因素引起，如感染或受伤。
3. 3. In some cases, the treatment for purpura fulminans may involve immunosuppressants to suppress the immune system.
   在某些情况下，治疗紫癜病可能需要使用免疫抑制剂来抑制免疫系统。