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Research Roundup
K-Edge Imaging on Photon-Counting CT: A Phantom Preprint
A phantom-study preprint tests K-edge decomposition of iodine and gadolinium on a clinical photon-counting CT scanner; peer review is pending.
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Research Roundup
PCCT Radiomics of Epicardial Fat
A single-center PCCT radiomics study links epicardial fat features to hypertension, but the signal is weak and unvalidated. Here's what it means.
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Research Roundup
Photon-Counting CT Late Iodine Enhancement: What We Know
Energy thresholds and reconstruction settings shape iodine image quality on photon-counting CT. Here's the verified evidence, and what's still unproven.
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Research Roundup
Photon-Counting CT and PD-L1 Prediction in Non Small Cell Lung Cancer (NSCLC)
A single-center study tested photon-counting CT spectral parameters as a noninvasive PD-L1 predictor in lung cancer — early, hypothesis-generating results only.
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Research Roundup
Photon-Counting CT Myelography and CSF-Venous Fistulas
A single-center study finds photon-counting CT myelography raises diagnostic certainty for CSF-venous fistulas, though detection-rate gains weren't statistically significant.
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Research Roundup
Do traditional cylindrical phantoms overestimate accuracy in iodine quantification in Photon Counting CT?
Image credits: Vaniqui, A., Schyns, L.E.J.R., Almeida, I.P. et al. The impact of dual energy CT imaging on dose calculations for pre-clinical studies. Radiat Oncol 12, 181 (2017). https://doi.org/10.1186/s13014-017-0922-9 TL;DR Summary This…
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Photon-Counting CT Achieves Over 40% Radiation Dose Reduction in Pediatric Congenital Heart Disease Imaging, Study Finds
A, B Cardiac examination on photon-counting detector CT of a 7-month-old female patient, born with tetralogy of Fallot. Volume CT dose index (CTDIvol) of this examination was 0.11 mGy, dose length product…
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Both standard and ultrahigh resolution modes effective for PCCT CCTA
TL;DR: Introduction Photon-counting CT (PCCT) technology represents a significant advancement in computed tomography imaging, offering higher contrast-to-noise ratios and improved spatial resolution compared to conventional energy-integrating detector systems. This innovative technology facilitates…
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Research Roundup
PCCT boosts diagnostic accuracy for coronary stent assessment
Photon-counting detector CT (PCCT) offers improved coronary stent imaging over traditional CT by providing enhanced spatial resolution and spectral capabilities, according to a literature review published May 29 in Radiology: Cardiothoracic Imaging.…
