Photon-Counting Computed Tomography in Atherosclerotic Plaque Characterization.

Area of Science:

• Cardiovascular Imaging
• Radiology
• Medical Technology

Background:

• Atherosclerosis, a leading cause of death, involves plaque buildup in arteries.
• Traditional computed tomography (CT) has limitations in detailed plaque assessment.
• Non-invasive imaging is crucial for understanding atherosclerotic plaque composition.

Purpose of the Study:

• To provide a comprehensive overview of photon-counting computed tomography (PCCT) concepts.
• To explore the clinical applications of PCCT in assessing atherosclerotic plaque.
• To examine the advantages and limitations of PCCT in carotid and coronary artery imaging.

Main Methods:

• This is a narrative review of existing literature and technological concepts.
• Focuses on the principles and clinical utility of photon-counting computed tomography.
• Compares PCCT capabilities with conventional computed tomography for plaque analysis.

Main Results:

• PCCT offers multi-energy capabilities, enhanced spatial resolution, and superior soft tissue contrast.
• PCCT demonstrates potential for more comprehensive atherosclerotic plaque composition analysis.
• PCCT minimizes electronic noise, improving image quality in vascular imaging.

Conclusions:

• Photon-counting computed tomography represents a significant advancement in cardiovascular imaging.
• PCCT holds promise for improved non-invasive assessment of atherosclerotic plaque.
• Further research and clinical validation are essential to fully leverage PCCT's potential.