ultralow rectal cancer
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1. Patients aged 18-80 years with low and ultra-low rectal cancer who are eligible for surgery; 2. Patients whose lower extremity of the tumor was less than 2cm from the anorectal ring or less than 5 cm from the anal margin could not undergo pre-resection of rectal cancer to preserve the anus; 3. Rullier classification of low rectal cancer: Type II and Type III.
Exclusion criteria
Exclusion criteria: 1. Preoperative evaluation indicated that the tumor invaded the external anal sphincter, puborectalis, and stage T4 (yT4). 2. Patients who were expected to have positive periannular margins after preoperative evaluation (including those who were still positive after neoadjuvant chemoradiotherapy); 3. There was significant anal incontinence before surgery, with Wexner incontinence score > 10; 4. Patients with anal sphincter injury and anal malformation before operation; 5. Preoperative evaluation of patients who could not tolerate surgery; 6. Those who refuse to be included.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| clinical efficacy;Physiological indexes and defecation control function;Quality of life and satisfaction; | — |
Secondary
| Measure | Time frame |
|---|---|
| Factors affecting clinical efficacy;Morphological evaluation of colonic pouch; | — |
Countries
China
Contacts
Department of Colorectal Surgery, the Characteristic Medical Center of PLA Rocket Force