Photon-Counting Detector CT for Lenticulostriate Arteries: Comparison with Energy-Integrating Detector CT and Reconstruction Mode Optimization [RESEARCH]

BACKGROUND AND PURPOSE:
Lenticulostriate arteries (LSAs) are micro but clinically critical perforating vessels that remain difficult to visualize using conventional techniques. This study aimed to conduct a preliminary comparison of the visualization of LSAs in head and neck CTA with photon-counting detector CT (PCD-CT) with 4 reconstruction modes.

MATERIALS AND METHODS:
This retrospective study included patients who underwent head and neck CTA with PCD-CT between January 2024 and May 2024 and …

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