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[Clinical application of helical CT and thin slice CT]
1Department of Radiology, National Cancer Center Hospital East.
Summary
Helical CT scanning is effective for mass surveys, detecting lung cancer cases missed by other methods. This imaging technique also aids in diagnosing liver and pancreatic cancers.
Area of Science:
- Radiology
- Oncology
- Medical Imaging
Background:
- Helical CT provides continuous data, enabling whole-organ scans within a single breath hold.
- Its application in mass surveys for lung cancer has shown promise.
Purpose of the Study:
- To evaluate the efficacy of helical CT in mass surveys for lung cancer.
- To assess the utility of helical CT in diagnosing hepatic and pancreatic cancers.
Main Methods:
- Helical CT was applied for mass screening of lung cancer.
- Helical CT imaging was utilized to visualize arterial, portal, and venous phases of the liver.
- CT imaging of the arterial phase of the pancreas was performed.
Main Results:
- The lung cancer mass survey detected 19 cases, with 10 identified exclusively by helical CT.
- Helical CT proved valuable for detecting small, hypervascular hepatic neoplasms.
- Small pancreatic cancers were identified as low attenuation areas on arterial phase CT images.
Conclusions:
- Helical CT is a valuable tool for lung cancer mass surveys, detecting cancers missed by other methods.
- Helical CT is also effective for diagnosing hepatic and pancreatic cancers, particularly small neoplasms.