AIIR Improves Uterine Artery Assessment on Routine Multiphase CT to CTA Levels

Adding AI iterative reconstruction (AIIR) to arterial phase multiphase CT improved uterine artery origin identification from 68% to 90%, branching classification from 71% to 89%, and measurable diameters from 33% to 63%, matching dedicated CT angiography.

• Retrospective study of 100 patients (300 uterine arteries) comparing AIIR, hybrid iterative reconstruction (HIR), and dedicated CTA.
• Intraobserver agreement for diameter measurements was excellent across all groups (ICC 0.90–0.98).

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