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Author

M. Halfmann

3 papers indexed here

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Open access Sep 2026

Photon-counting detector CT for prediction of valve dysfunction after transcatheter aortic valve implantation: Comparison with echocardiography.

BACKGROUND Noninvasive evaluation of suspected prosthetic valve dysfunction after transcatheter aortic valve implantation (TAVI) remains challenging because both anatomic and hemodynamic information are required for a conclusive diagnosis. PURPOSE To evaluate the diagnostic accuracy of hemodynamic parameters derived...

S. Hyska, J. Osoria-Velasquez, M. Hagar et al. · 0 citations
Aug 2026

Spectral Black-Blood Photon-Counting CT for High-Resolution Carotid Vessel Wall Imaging: A Feasibility Study.

OBJECTIVES To evaluate the feasibility of a novel single-phase spectral black-blood CT (BBCT) technique for high-resolution carotid vessel wall imaging and explore its potential impact on plaque feature visualization. METHODS In this IRB-approved retrospective study, clinically indicated head and neck photon-counting...

Adrienn Tóth, M. Hagar, M. Halfmann et al. · 0 citations
Review Open access Sep 2026

Understanding and Mitigating Distribution Shifts in Volumetric Lung Nodule CAD Using a 3D Vision-Language Framework.

The effect of real-world distribution shifts on three-dimensional AI models for lung nodule analysis on CT and MedStyle-3DG, an open-source 3D vision-language framework for domain generalization, are quantified and evaluated.

B. Bercean, Rafael Medelean, A. Tenescu et al. · 0 citations

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