None listed
Conditions
Interventions
None listed
Sponsors
Asan Medical Center
Eligibility
Sex/Gender
All
Inclusion criteria
Inclusion criteria: Inclusion criteria for rectal NET group ? The patients with rectal NET which is confirmed by histological examination of endoscopic biopsy specimen and whose age ranges from 20 to 75 years ? The patients who visit the department of Gastroenterology of Asan Medical Center for the endoscopic resection of rectal NET ? Those whose rectal NET shows no metastases on abdominopelvic CT/MRI and chest radiograph ? The patients have no evidence of synchronous upper gastrointestinal NET at the esophagogastrodudenoscopy within 6 months before enrollment ? Those who agree with the informed consents the study Inclusion criteria for control group ? Age- & sex-matched healthy subjects from those who undergo routine health check-up at the Health Promotion Center of Asan Medical Center ? Those who do not have rectal NET at screening colonoscopy ? Those who do not have gastric NET at screening esophagogastroduodenoscopy ? Those who agree with the informed consents the study
Exclusion criteria
Exclusion criteria: Exclusion criteria for both rectal NET and control group ? Those who had the past history of extra-rectal NET which had been treated or not. ? Those who have other medical conditions that may increase the plasma CgA level: chronic kidney disease, chronic heart failure, atrophic body gastritis with pernicious anemia
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Difference between plasma chromogranin A concentration before and after endoscopic removal of rectal carcinoid tumor | — |
Secondary
| Measure | Time frame |
|---|---|
| Difference of the baseline plasma concentration of chromogranin A between rectal carcinoid tumor group and healthy control group | — |
Countries
Korea, Republic of
Contacts
Public ContactDong-Hoon Yang
Asan Medical Center
Outcome results
None listed