To conduct a comprehensive analysis of the long-term stability of a first-generation clinical photon-counting CT (PCCT) scanner, highlighting its significance in advancing diagnostic imaging technology.
Key Findings:
The clinical PCCT system demonstrated consistent quantitative stability over the two-year study period, with specific improvements quantified.
Software and hardware updates were monitored, with some updates improving cross-scatter correction and image quality, enhancing overall performance.
Interpretation:
The findings indicate that PCCT technology maintains its quantitative performance over time, which is crucial for its clinical application, particularly in enhancing diagnostic accuracy.
Limitations:
The study was limited to a single PCCT system and may not generalize to other systems, potentially affecting the applicability of the results.
Potential influences from environmental factors and specific phantom characteristics were not fully explored, which could impact the stability assessment.
Conclusion:
The long-term stability of PCCT's quantitative capabilities supports its reliability for clinical use in various medical conditions, emphasizing the need for ongoing evaluation.
by Leening P. Liu, Pouyan Pasyar, Fang Liu, Quy Cao, Olivia F. Sandvold, Martin V. Rybertt, Pooyan Sahbaee, Russell T. Shinohara, Harold I. Litt, Peter B. Noël
Radiologists assigned to receive step-by-step explanations from a large language model achieved higher diagnostic accuracy in a randomized vignette study, while differential-diagnosis outputs may have increased inappropriate reliance on incorrect model suggestions.
