The World Trade Center (WTC) attack in New York resulted in a dust plume containing silica, hydrocarbons, and asbestos. Autoimmune disorders have been reported among those with WTC site exposure. The characteristics of those developing systemic sclerosis (SSc) have not been previously described. The purpose of this study was to describe the features of SSc patients with WTC exposure.

中文翻译：

---

参与世贸中心归零地救援/恢复工作的个体的系统性硬化症：病例系列。

纽约世贸中心 (WTC) 袭击产生了含有二氧化硅、碳氢化合物和石棉的尘羽。据报道，那些接触过世贸中心的人会出现自身免疫性疾病。先前尚未描述过系统性硬化症（SSc）患者的特征。本研究的目的是描述暴露于 WTC 的 SSc 患者的特征。