Clinical Value and Research Prospects of 1024 Matrix Optimization in 64-Slice Cerebral CTA for Perforating Artery...

This letter comments on Nagumo et al.'s study evaluating 1024-matrix reconstruction for intracranial perforating artery visualisation in 64-slice cerebral CTA, affirming its cost-effective value for standard CT scanners (https://doi.org/10.1002/jmrs.70055). We endorse the key finding that 1024-matrix improves small artery detection via higher sampling density, while highlighting the need for cross-vendor validation, workflow impact quantification, and clinical outcome assessment. This simple post-processing strategy is highly scalable, and further multicentre studies are warranted to confirm its universal utility.