Colorectal tumor
Conditions
Interventions
Gold Standard:Definite diagnosis by pathology
Prediction 
Model 
for 
the 
Nature 
and 
of 
Exploration.
Sponsors
Beijing Shijitan Hospital, Capital Medical University
Eligibility
Sex/Gender
All
Age
17 Years to 100 Years
Inclusion criteria
Inclusion criteria: 1.Polypoid lesions diagnosed by colonoscopy. 2.The lesions were examined by ordinary white light endoscope and NBI endoscope, and the patients suspected of early cancer were examined by magnifying NBI endoscope, indigo carmine staining endoscope, crystal violet staining endoscope and ultrasonography endoscope. 3.Complete resection of EMR and ESD or surgical resection and lymph node dissection of the lesions. 4.The resected specimens were treated according to the pathological section method of early digestive tract cancer and diagnosed according to the Vienna standard. 5.Histological types are adenoma, high-grade intraepithelial neoplasia, papillary adenocarcinoma and tubular adenocarcinoma.
Exclusion criteria
Exclusion criteria: 1.With inflammatory bowel disease. 2.Progressive CRC. 3.The detailed endoscopic observation required by this experiment was not carried out. 4.Poorly differentiated adenocarcinoma, mucinous carcinoma, signet ring cell carcinoma.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Endoscopic characteristics;SEN, SPE, ACC, AUC of ROC; | — |
Countries
China
Contacts
Public ContactYadan Wang
Beijing Shijitan Hospital, Capital Medical University
Outcome results
None listed