Abstract:BACKGROUND AND STUDY AIMS: Hereditary hemorrhagic telangiectasia (HHT) is a rare autosomal dominant disorder characterized by telangiectasia formation that can lead to small-bowel bleeding.

• 摘要背景与研究目的：遗传性出血性毛细血管扩张症(HHT)为罕见的常染色体显性疾病，其特征为小肠毛细血管扩张、出血。