Direct visualization of intracranial aneurysms by multiplane dynamic CT

Area of Science:

• Neuroradiology
• Vascular Imaging
• Medical Diagnostics

Background:

• Cerebral aneurysms pose significant health risks.
• Early detection of small aneurysms is crucial for effective treatment.
• Advanced imaging techniques are needed to visualize subtle vascular abnormalities.

Purpose of the Study:

• To evaluate a novel contrast-enhanced imaging method for detecting small aneurysms.
• To assess the reliability and efficacy of this technique in visualizing the circle of Willis.
• To determine the minimum aneurysm size detectable with this approach.

Main Methods:

• Intravenous injection of 100-150 ml contrast medium at 1-1.5 ml/sec.
• Scanning of adjacent 2-mm-thick cuts at the circle of Willis level.
• Image highlighting and multilevel summation for comprehensive vascular visualization.

Main Results:

• A complete picture of the vascular anatomy at the base of the brain was obtained.
• Aneurysms as small as 2-3 mm in diameter were successfully detected.
• The method demonstrated high reliability in a study of 31 cases.

Conclusions:

• The described contrast-enhanced imaging technique is effective for detecting small cerebral aneurysms.
• This method provides high reliability and detailed visualization of brain base vasculature.
• The technique facilitates early diagnosis of potentially life-threatening vascular conditions.