ArticlePhysics in medicine and biology2019
Impacts of photon counting CT to maximum intensity projection (MIP) images of cerebral CT angiography: theoretical and experimental studies.
Article in Physics in medicine and biology, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 15 papers.
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Who cites it
15 citing papers in PubMed.
- Photon-counting detector CT vs energy-integrating detector CT for the diagnosis of arterial dissection in the cervicocerebral region: A single-center case series.Radiology case reports · 2026Article
- Photon-counting CT in head and neck radiology: bridging detector physics and clinical applications.European radiology · 2026Review
- Neuroimaging with photon-counting computed tomography: A review of clinical applications.World journal of radiology · 2025Review
- Advancing Preoperative Planning in Perforator Flap Surgery with Photon-Counting Computed Tomography Angiography: Less Challenges with More Precision.Aesthetic plastic surgery · 2025Article
- Quantifying photon counting detector (PCD) performance using PCD-CT images.Medical physics · 2025Article
- High-Resolution Head CTA: A Prospective Patient Study Comparing Image Quality of Photon-Counting Detector CT and Energy-Integrating Detector CT.AJNR. American journal of neuroradiology · 2024Article
- Photon-Counting CT in the Head and Neck: Current Applications and Future Prospects.AJNR. American journal of neuroradiology · 2024Review
- High yield clinical applications for photon counting CT in neurovascular imaging.The British journal of radiology · 2024Review
- Enhanced acrylic gauge with five eccentric circles for optimizing CT angiography spatial resolution via Taguchi's methodology.Technology and health care : official journal of the European Society for Engineering and Medicine · 2024Article
- Use of Thick Maximum-Intensity Projection Brain Computed Tomography Angiography for Evaluation of Baseline Collateral Status Improves Interrater Agreement.Stroke (Hoboken, N.J.) · 2024Article
- Clinical applications of photon counting detector CT.European radiology · 2023Review
- Photon counting-energy integrating hybrid flat panel detector systems for image-guided interventions: an experimental proof-of-concept.Physics in medicine and biology · 2023Article
- A C-arm photon counting CT prototype with volumetric coverage using multi-sweep step-and-shoot acquisitions.Physics in medicine and biology · 2022Article
- Photon Counting CT: Clinical Applications and Future Developments.IEEE transactions on radiation and plasma medical sciences · 2021Article
- Statistical properties of cerebral CT perfusion imaging systems. Part II. Deconvolution-based systems.Medical physics · 2019Article
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7 authors.
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Abstract
While CTA is an established clinical gold standard for imaging large cerebral arteries and veins, an important challenge that currently remains for CTA is its limited performance in imaging small perforating arteries with diameters below 0.5 mm. The purpose of this work was to theoretically and experimentally study the potential benefits of using photon counting detector (PCD)-based CT (PCCT) to improve the performance of CTA in imaging these small arteries. In particular, the study focused on an important component of the CTA image package known as the maximum intensity projection (MIP) image. To help understand how the physical properties of a detector quantitatively influence the MIP image quality, a theoretical model on the statistical properties of MIP images was developed. After validating this model, it was used to explore the individual and joint contribution of the following detector properties to the MIP signal-to-noise ratio (SNR): inter-slice noise covariance, spatial resolution along the z direction, and native pixel pitch along z. The model demonstrated that superior slice sensitivity, reduced inter-slice noise correlation, and smaller native pixel pitch along z provided by PCDs lead to improved vessel SNR in MIP images. Finally, experiments were performed by scanning an anthropomorphic cerebral angiographic phantom using a benchtop PCCT system and a commercial MDCT system. The experimental MIP results consistently demonstrated that compared with MDCT, PCCT provides superior vessel conspicuity and reduced artifactual stenosis.
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