This retrospective study evaluates the impact of vessel suppression on radiology residents’ reading speed and detection of ≤2mm pulmonary nodules over 14 months, before and after implementation. It includes CT chest exams for patients with malignancy risk. Reading times were measured, and final reports were analyzed using natural language processing (NLP) algorithms to assess nodule size and detection rates.
A total of 4,429 CT chest scans were analyzed (1,002 pre- and 3,427 post-implementation). After vessel suppression implementation, average reading time significantly decreased from 19.1 to 12.2 minutes (p<0.01), and punctate pulmonary nodule detection increased from 13.0% to 24.2% (p<0.01).
Vessel suppression can enhance CT chest reading speed for radiology residents, particularly in high-risk cancer patients, while also increasing punctate nodule detection.
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