Not provided
Not provided
Not provided
Not provided
Not provided
Not provided
Not provided
Not provided
Not provided
Not provided
Not provided
Not provided
Not provided
Not provided
Not provided
Not provided
Not provided
Not provided
This prospective study aims to perform intra-individual comparison of the image quality between low dose liver CT with deep learning reconstruction and standard dose liver CT with iterative reconstruction in patients with liver metastasis.
Not provided
Not provided
Not provided
Not provided
Not provided
Not provided
| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Liver metastasis | Patients with suspicion of liver metastasis and scheduled for CT |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| contrast-enhanced abdomen CT | Diagnostic Test | contrast-enhanced abdomen CT using dual-source CT scanner using A-tube (67% radiation) and B-tube (33% radiation).
|
| Measure | Description | Time Frame |
|---|---|---|
| liver lesion conspicuity | graded on a five-point scale (1-5) with higher score indicates a better conscpicuity. | 6 months after the CT scan |
| Measure | Description | Time Frame |
|---|---|---|
| liver lesion detectability | liver lesion detection rate on standard dose CT and low dose CT by blinded reviewers | 6 months after the CT scan |
Not provided
Inclusion Criteria:
Exclusion Criteria:
Not provided
Not provided
Patients who are referred to Radiology department for undergoing contrast-enhanced abdomen CT.
Not provided
| Name | Affiliation | Role |
|---|---|---|
| Jeong Min Lee, MD | Seoul National University Hospital | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Seoul National University Hospital | Seoul | South Korea | ||||
| Ulsan University Hospital |
| PubMed Identifier | Type | Citation | Retractions |
|---|---|---|---|
| 39874436 | Derived | Lee TY, Yoon JH, Park JY, Park SH, Kim H, Lee CM, Choi Y, Lee JM. Intraindividual Comparison of Image Quality Between Low-Dose and Ultra-Low-Dose Abdominal CT With Deep Learning Reconstruction and Standard-Dose Abdominal CT Using Dual-Split Scan. Invest Radiol. 2025 Jul 1;60(7):454-462. doi: 10.1097/RLI.0000000000001151. Epub 2025 Jan 28. |
Not provided
Not provided
Not provided
Not provided
Not provided
Not provided
Not provided
Not provided
| ID | Term |
|---|---|
| D009362 | Neoplasm Metastasis |
| ID | Term |
|---|---|
| D009385 | Neoplastic Processes |
| D009369 | Neoplasms |
| D010335 | Pathologic Processes |
| D013568 | Pathological Conditions, Signs and Symptoms |
Not provided
Not provided
Not provided
Not provided
Not provided
|
| Ulsan |
| 44033 |
| South Korea |