gastrointestinal cancer
Conditions
Interventions
Gold Standard:Pathological results, digestive endoscopy results
cysteine 
(CST4)
Sponsors
Changhai Hospital of Shanghai
Eligibility
Sex/Gender
All
Age
40 Years to 90 Years
Inclusion criteria
Inclusion criteria: 1. Diagnostic value of serum CST4 in esophageal and gastric cancer(Simultaneously satisfy the three conditions) (1) aged 40 years and older; (2) Clinical suspicion of esophageal cancer or gastric cancer population, or a Physical examination population; (3) informed consent. 2. Diagnostic value of serum CST4 in colorectal cancer(Simultaneously satisfy the three conditions) (1) aged 40 years and older; (2) Clinical suspicion of colorectal cancer population, or Physical examination population; (3) informed consent.
Exclusion criteria
Exclusion criteria: 1. Diagnostic value of serum CST4 in esophageal and gastric cancer(Any of the following were excluded) (1) Not suitable for gastroscopy. (2) History of esophageal or stomach,colorectal surgery. (3) Those who are taking anticoagulants such as aspirin, clopidogrel, warfarin, or have coagulation disorders. (4) Severe cardiac, hepatic and renal insufficiency, or Severe mental disorders, or the researchers considered it inappropriate to participate in the study. 2. Diagnostic value of serum CST4 in colorectal cancer (1) Not suitable for Colonoscopy; (2) History of esophageal or stomach,colorectal surgery; (3) Those who are taking anticoagulants such as aspirin, clopidogrel, warfarin, or have coagulation disorders; (4) Severe cardiac, hepatic and renal insufficiency, or Severe mental disorders, or the researchers considered it inappropriate to participate in the study.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| CST4; | — |
Countries
China
Contacts
Public ContactLuowei Wang
Changhai Hospital of Shanghai
Outcome results
None listed