Attention is focused on assessing the effect of corticosteroid and the relationships among ischemic enteritis, ileal perforation and the usage of steroid.

• 这篇文章重点在于说明类固醇对类过敏性紫斑症的疗效，以及延误使用类固醇可能会因为急性血管缺血病变而导致迴肠破裂。