SF 20 - Photon-counting CT

1. To describe the principles and technological advancements of photon-counting CT that distinguish it from conventional CT.
2. To describe the advantages and limitations of photon-counting CT in terms of image quality, including the potential for improved spatial and contrast resolution, reduced image noise, and enhanced tissue characterisation.
3. To evaluate the impact of photon-counting CT on radiation dose and patient safety, including comparisons with conventional CT and other imaging modalities, as well as the potential for dose reduction and optimisation.

1. To understand how iodinated contrast media interacts differently with photon-counting CT compared to conventional CT and to understand the impact of spectral sensitivity, higher resolution, and reduced noise of photon-counting CT on image quality and contrast resolution.
2. To optimise iodinated contrast media dosage and how the unique properties of photon-counting CT can allow for the reduction of contrast media dose without compromising the image quality.
3. To identify and understand how to mitigate enhancement artifacts unique to photon-counting CT to improve homogeneity of contrast enhancement, leveraging the advantages over conventional CT.

1. To understand the clinical benefits of using photon-counting CT over conventional CT in various clinical scenarios; this includes situations where the superior contrast resolution, reduced radiation dose, and ability to perform spectral imaging of photon-counting CT are particularly beneficial.
2. To learn how the superior image quality and spectral capabilities can enhance disease detection, characterisation, and assessment of disease progression.
3. To learn from photon-counting CT examinations where iodinated contrast media were used, such as vascular diseases and cancer.