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  1. No Access

    Article

    Meningeal enhancement depicted by magnetic resonance imaging in tumor patients: neoplastic meningitis or therapy-related enhancement?

    To assess the prevalence of false-positive meningeal contrast enhancement in patients with solid tumors who were undergoing chemotherapy.

    Georg Bier, Bernhard Klumpp, Constantin Roder, Claus Garbe in Neuroradiology (2019)

  2. No Access

    Article

    Impact of dual-energy CT post-processing to differentiate venous thrombosis from iodine flux artefacts

    To investigate the accuracy of dual-energy (DE) CT-based iodine maps (IM) and noise-optimised monoenergetic extrapolations (MEI+) at 40 keV for the detection and differentiation of venous thrombosis (VT) from ...

    Jakob Weiss, Christoph Schabel, Ahmed E. Othman, Georg Bier in European Radiology (2018)

  3. No Access

    Article

    Tin-filtered low-dose chest CT to quantify macroscopic calcification burden of the thoracic aorta

    To compare a low-dose, tin-filtered, nonenhanced, high-pitch Sn100 kVp CT protocol (Sn100) with a standard protocol (STP) for the detection of calcifications in the ascending aorta in patients scheduled for ca...

    Christoph Schabel, Daniele Marin, Dominik Ketelsen, Alfredo E. Farjat in European Radiology (2018)

  4. No Access

    Article

    Follow-up CT and CT angiography after intracranial aneurysm clip** and coiling—improved image quality by iterative metal artifact reduction

    This paper aims to evaluate a new iterative metal artifact reduction algorithm for post-interventional evaluation of brain tissue and intracranial arteries.

    Georg Bier, Malte Niklas Bongers, Johann-Martin Hempel, Anja Örgel in Neuroradiology (2017)

  5. No Access

    Article

    Imaging of gastrointestinal melanoma metastases: Correlation with surgery and histopathology of resected specimen

    To assess the appearance of gastrointestinal melanoma metastases on CT and PET/CT and evaluate the diagnostic value of CT and PET/CT compared with surgery and histopathology.

    Ahmed E. Othman, Thomas K. Eigentler, Georg Bier in European Radiology (2017)

  6. No Access

    Article

    Volume perfusion CT imaging of cerebral vasospasm: diagnostic performance of different perfusion maps

    In this study, we aimed to evaluate the diagnostic performance of different volume perfusion CT (VPCT) maps regarding the detection of cerebral vasospasm compared to angiographic findings.

    Ahmed E. Othman, Saif Afat, Omid Nikoubashman, Marguerite Müller in Neuroradiology (2016)

  7. No Access

    Article

    Enhanced gray-white matter differentiation on non-enhanced CT using a frequency selective non-linear blending

    The aim if this study is to find out if contrast between gray (GM) and white matter (WM) on non-enhanced brain CT (NECT) can be enhanced by using a frequency selective non-linear blending.

    Georg Bier, Malte Niklas Bongers, Hendrik Ditt, Benjamin Bender in Neuroradiology (2016)

  8. No Access

    Article

    Vertebral lesion distribution in multiple myeloma—assessed by reduced-dose whole-body MDCT

    To observe the distribution and potential distribution patterns of osteolytic and sclerotic vertebral involvement in a representative collective of multiple myeloma patients.

    Georg Bier, Christopher Kloth, Christoph Schabel, Malte Bongers in Skeletal Radiology (2016)