Results Endoscopy revealed that there were hyperemia, edema, as well as hemorrhage in esophagus, gastric mucosa, duodenal bulb and descending duodenum.

• 结果内窥镜下均显示食管、胃粘膜及十二指肠球部、降部不同程度充血、水肿,伴有出血。结论过敏性紫癜患儿内窥镜上消化道粘膜病变表现很明显。