Rectal cancer
Conditions
Interventions
Gold Standard:The histopathological evaluation: two pathologists assess the nodules identified by CT through the use of an optical microscope on tissue slides stained with hematoxylin and eosin to det
Index test:Preoperative MRI scans to diagnose tumor deposits of patients with rectal cancer.
Sponsors
Department of Gastrointestinal Surgery, Guangdong Provincial People's Hospital (Guangdong Academy of Medical Sciences), Southern Medical University, Guangzhou, China
Eligibility
Sex/Gender
All
Inclusion criteria
Inclusion criteria: 1. Age range: Patients must be >= 18 years old; 2. Diagnosed with primary rectal adenocarcinoma by pathological histology; 3. Possess complete pelvic MRI data; 4. Patients who have undergone rectal cancer resection surgery (including those who received treatment before surgery); 5. Patients volunteer to participate in this study, sign a written informed consent form, and agree to cooperate with follow-up.
Exclusion criteria
Exclusion criteria: 1. The patient was diagnosed with recurrent tumors, synchrony tumors, familial adenomatous polyposis or inflammatory bowel disease at the time of the visit. 2. MRI cannot be performed or the image quality of imaging data is poor; 3. Have any medical history that may affect compliance with the protocol (such as severe mental disorders, cognitive dysfunction, drug abuse or addiction, etc.); 4. Pregnant or lactating women, or those who are fertile but unwilling or unable to take effective contraceptive measures; 5. Those who have participated in any drug clinical trials within the six months prior to the examination.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Accuracy rate;Sensitivity;Specificity;Positive predictive value;Negative predictive value;Receiver Operating Characteristic (ROC) Curve;Degree of consistency; | — |
Secondary
| Measure | Time frame |
|---|---|
| One-year, three-year and five-year survival rates;Hazard Ratio (HR) Estimate; | — |
Countries
China
Contacts
Public ContactMiner Zhong
Department of Gastrointestinal Surgery, Guangdong Provincial People's Hospital (Guangdong Academy of Medical Sciences), Southern Medical University, Guangzhou, China
Outcome results
None listed