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The aim of this observational study is to investigate whether computed tomography can be used as an alternative to colonoscopy in colon cancer screening. The main question the study aims to answer is:
Can colon cancer screening be performed as effectively with computed tomography as with colonoscopy?
Participants in the colon cancer screening group will be divided into two groups: those who underwent colonoscopy and those who underwent computed tomography. The screening effectiveness of the two methods will be compared.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| colonscopy | participant screened by colonoscopy | ||
| tomography | participant screened by tomography |
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| Measure | Description | Time Frame |
|---|---|---|
| polyp/cancer incidance | Number of patients with polyps and cancer detected by screening | when the pathology results are available after a colonoscopy or when the report is written after a CT scan through study completion, an average of 2 years |
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Inclusion Criteria:
Exclusion Criteria:
- The patient has a history of colon cancer
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CT scans and colonoscopies performed on patients aged 50-70 at Bilecik Research and Training Hospital between January 1, 2023, and December 31, 2024, will be examined.
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| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Bilecik Seyh Edebali University | Bilecik | Bilecik | 11000 | Turkey (Türkiye) |
| PubMed Identifier | Type | Citation | Retractions |
|---|---|---|---|
| 17224254 | Result | Mang T, Graser A, Schima W, Maier A. CT colonography: techniques, indications, findings. Eur J Radiol. 2007 Mar;61(3):388-99. doi: 10.1016/j.ejrad.2006.11.019. Epub 2007 Jan 16. | |
| 39985068 | Result | Terasawa T, Tadano T, Abe K, Sasaki S, Hosono S, Katayama T, Hoshi K, Nakayama T, Hamashima C. Single-round performance of colorectal cancer screening programs: a network meta-analysis of randomized clinical trials. BMC Med. 2025 Feb 21;23(1):110. doi: 10.1186/s12916-025-03948-9. |
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| Type | Date | Date Unknown |
|---|---|---|
| Release | Apr 25, 2026 | |
| Reset | May 18, 2026 |
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| Release Date | Unrelease Date | Unrelease Date Unknown | Reset Date | MCP Release Number |
|---|---|---|---|---|
| Apr 25, 2026 | May 18, 2026 |
| ID | Term |
|---|---|
| D003110 | Colonic Neoplasms |
| ID | Term |
|---|---|
| D015179 | Colorectal Neoplasms |
| D007414 | Intestinal Neoplasms |
| D005770 | Gastrointestinal Neoplasms |
| D004067 | Digestive System Neoplasms |
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| D009371 | Neoplasms by Site |
| D009369 | Neoplasms |
| D004066 | Digestive System Diseases |
| D005767 | Gastrointestinal Diseases |
| D003108 | Colonic Diseases |
| D007410 | Intestinal Diseases |