Status:
UNKNOWN
CT Carcinogenic Risk in Patients With Appendicitis
Lead Sponsor:
Seoul National University Bundang Hospital
Collaborating Sponsors:
National Research Foundation of Korea
Conditions:
Computed Tomography
Carcinogenesis
Eligibility:
All Genders
Brief Summary
The purpose of this study is to compare the incidence rate of leukemia between CT-exposed and CT-unexposed group in patients who underwent appendectomy in South Korea.
Detailed Description
South Korea has a single-payer healthcare system, administered by National Health Insurance Service (NHIS). As healthcare providers in South Korea need to claim reimbursement to NHIS for the vast majo...
Eligibility Criteria
Inclusion
- Patients will be entered in the cohort on the date of appendectomy under the diagnosis of appendicitis
Exclusion
- (a) patients who had a cancer diagnosis before the date of appendectomy,
- (b) those who had prior experience of CT examination more than 7 days before appendectomy,
- (c) those who had syndromes or diseases predisposing cancers,
- (d) those whose diagnosis was changed to appendiceal cancer and
- (e) those whose follow-up duration was shorter than a lag period.
Key Trial Info
Start Date :
January 15 2018
Trial Type :
OBSERVATIONAL
Allocation :
ESTIMATED
End Date :
May 15 2021
Estimated Enrollment :
1000000 Patients enrolled
Trial Details
Trial ID
NCT03776435
Start Date
January 15 2018
End Date
May 15 2021
Last Update
February 17 2020
Active Locations (1)
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1
Seoul National University Bunadang Hospital
Seongnam-si, Gyeonggi-do, South Korea, 463-707