Small intestinal tumors is uncommonly encountered in clinical practice.The lesions in early stage developed insidiously with nonspecific manifestation such as bleeding, abdominal pain, obstruction.

• 原发性小肠肿瘤在临床上较少见,其临床表现缺乏特异性,可表现为消化道出血、腹痛、腹块、肠梗阻等,因此诊断较为困难。