Rectal cancer
Conditions
Interventions
Gold Standard:The pathological diagnosis results of the same patient serve as the gold standard for the staging of rectal cancer.
Index test:64-slice spiral CT scanner, Prototype System for Intelligent Assisted Diagnosis of Rectal Cancer Staging
Sponsors
The First Affiliated Hospital of Anhui Medical University
Eligibility
Sex/Gender
All
Age
18 Years to 85 Years
Inclusion criteria
Inclusion criteria: 1. Rectal cancer patients with complete clinical data; 2. No preoperative neoadjuvant chemotherapy; 3. Complete high-resolution rectal CT plain scan and pelvic dynamic enhanced CT scan images; 4. Patients with pathologically confirmed adenocarcinoma.
Exclusion criteria
Exclusion criteria: 1. Unable to provide clinical data, unable to tolerate or refuse surgery; 2. Only received high-resolution rectal CT scan without pelvic dynamic enhanced CT scan, or the CT image quality was poor and artifacts appeared; 3. Descending colon and right colon cancer. ? The tumor located below the level of the levator ANI muscle.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Sensitivity;Specificity;Positive Predictive Value, PPV;Negative Predictive Value, NPV;Receiver Operating Characteristic Curve, ROC Curve;Area Under the ROC Curve, AUC; | — |
Countries
China
Contacts
Public ContactBingbing Zou
The First Affiliated Hospital of Anhui Medical University
Outcome results
None listed