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Computed angiotomography.
AJR. American Journal of Roentgenology
|October 1, 1977
Summary
Computed tomography with contrast enhancement clearly visualizes major cerebral arteries and veins. However, for smaller vessels, angiography remains superior for detailed visualization.
Area of Science:
- Neuroradiology
- Medical Imaging
Background:
- Cerebral vascular anatomy visualization is crucial for diagnosing neurological conditions.
- Computed tomography (CT) is a widely used imaging modality.
Purpose of the Study:
- To evaluate the capability of contrast-enhanced computed tomography (CT) using the Ohio Nuclear Delta 25 scanner for visualizing cerebral vasculature.
- To determine the resolution limits of CT for depicting small cerebral vessels.
Main Methods:
- Utilized computed tomography with contrast enhancement on the Ohio Nuclear Delta 25 scanner.
- Assessed the clarity of visualization for specific cerebral arteries and veins.
Main Results:
- Branches of the anterior and middle cerebral arteries were clearly defined.
- Thalamostriate, septal, and internal cerebral veins were also clearly visualized.
- Pathologic vessels were recognizable with this CT technique.
Conclusions:
- Contrast-enhanced CT provides clear visualization of major cerebral arteries and veins.
- The Ohio Nuclear Delta 25 scanner is effective for defining these larger structures.
- Angiography is necessary for visualizing vessels smaller than 1.5 mm.