Crohn's disease
Conditions
Interventions
Gold Standard:Diagnostic criteria for Crohn's disease: based on Chinese consensus on diagnosis and treatment of inflammatory bowel disease(Beijing, 2018), diagnosis is made by clinical presentation, l
Index test:Spectral CT multiparametric indicators: CT values at the lesion, mean, median and standard deviation of iodine density, effective atomic number values, ECV values, AEF values, mean normalis
Sponsors
The First Affiliated Hospital of Soochow University
Eligibility
Sex/Gender
All
Age
18 Years to 80 Years
Inclusion criteria
Inclusion criteria: 1. patients who were clearly diagnosed as CD based on a combination of clinical, imaging, endoscopic and pathologic diagnosis, with diagnostic criteria using the consensus opinion on the diagnosis and treatment of inflammatory bowel disease (2018-Beijing); 2 patients completed small bowel CT, small bowel MRI, and enteroscopy within 4 weeks.
Exclusion criteria
Exclusion criteria: 1. poor image quality; 2. CD involving only the upper GI tract; 3. cases in which all examinations could not be completed within 4 weeks.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| CT value;iodine concentration;normalized iodine concentration;z-effective;ECV;AEF;SMI;VHI;VSR;PMI;Accuray;Sensitivity;Specificity;Positive predicative value;Negative predictive value; | — |
Secondary
| Measure | Time frame |
|---|---|
| General information; | — |
Countries
China
Contacts
Public ContactTeng Yue
The First Affiliated Hospital of Soochow University
Outcome results
None listed