Colorectal lesion
Conditions
Interventions
Index test:IVIM-DWI:ADC?D?D*?f
Sponsors
Meishan City Peoples Hospital
Eligibility
Sex/Gender
All
Age
18 Years to 100 Years
Inclusion criteria
Inclusion criteria: 1. Colorectal lesions were confirmed through clinical palpation and other examination methods (such as gastroscopy and imaging diagnosis). 2. All patients underwent routine MRI, DWI and IVIM examinations before the surgery. 3. There were no contraindications for imaging examinations (such as metal implants in the body, etc.), and they could tolerate MRI examinations. 4. They were informed of the study and signed the consent form.
Exclusion criteria
Exclusion criteria: 1. Any one of the criteria for exclusion is not met; 2. The patient has been diagnosed and undergone surgery, radiotherapy, chemotherapy, or drug treatment before enrollment; 3. No pathological results have been obtained; 4. There is a history of other malignant tumors; 5. The patient has severe liver or kidney dysfunction or heart or lung diseases, which may affect the interpretation of the research results; 6. The image quality is poor and does not meet the requirements for diagnostic analysis.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Dslow,D;Optimal diagnostic cutoff value;AUC;Sensitivity, specificity, positive predictive value, negative predictive value;Dfast, D*;PF, f;Apparent Diffusion Coeficient, ADC; | — |
Countries
China
Contacts
Public ContactWang Na
Meishan City Peoples Hospital
Outcome results
None listed