To explore the cause, diagnosis and treatment of intussusception in adults.

The clinical manifestations, types, diagnosis and treatment of 43 cases of adult intussusception in the First Affiliated Hospital of Hunan University of Traditional Chinese Medicine were analyzed retrospectively.

Paroxysmal abdominal pain was the main symptom, followed by nausea and vomiting, abdominal distension, anorectal stopping defecation and exhaust, abdominal mass, hemafecia/jam-like stool, etc. Assisted abdominal CT examination confirmed 39 cases, two cases of adult intussusception were successfully restored by conservative treatment, one case was abandoned treatment, and 40 cases were treated by surgery. There were 28 cases of intussusception of small intestine, including 18 cases of benign lesions, successively including small intestinal adenoma, lipoma, adhesion, foreign body, etc. The 10 cases of malignant lesions were stromal tumor, non-hodgkin lymphoma, adenocarcinoma and sarcoma. Ileocecal and colonic intussusception were malignancies, both adenocarcinomas. All the 42 patients recovered and were discharged.

Intussusception in adults is mostly caused by organic lesions, and its diagnosis is mainly based on clinical manifestations and auxiliary examination. The main treatment is surgery.