Colorectal cancer
Conditions
Interventions
Colorectal cancer:Observe calssification of inferior mesenteric artery
Sponsors
Peking Union Medical College Hospital
Eligibility
Sex/Gender
All
Age
18 Years to 80 Years
Inclusion criteria
Inclusion criteria: 1. Aged 18-80 years; 2. Preoperative pathological diagnosis is a malignant tumor; 3. Preoperative localization diagnosis of the tumor in the sigmoid colon, rectum, need to undergo sigmoid colon cancer or rectal cancer radical surgery; 4. Preoperative imaging examination (thoracic and abdominal enhancement CT, PET, etc.) or intraoperative examination, consider the tumor as the advanced stage, and need to perform lymph node dissection of the inferior mesenteric artery root (No. 253 group); 5. Suitable for laparoscopic surgery.
Exclusion criteria
Exclusion criteria: 1. The history of previous surgery may lead to the branching of the inferior mesenteric vessels, or the anatomy may be unclear; 2. Liver and kidney dysfunction; 3. The patient does not agree to sign the informed consent.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Calssification of inferior mesenteric artery; | — |
Secondary
| Measure | Time frame |
|---|---|
| Positional relationship between left colonic artery and inferior mesenteric vein;Length of inferior mesenteric artery trunk;Positive rate of No.253 lymph node; | — |
Countries
China
Contacts
Public ContactBin Wu
Department of General Surgery, Peking Union Medical College Hospital
Outcome results
None listed