Search Results - "Niehoff, Julius Henning"

Photon counting computed tomography of in-stent-stenosis in a phantom: Optimal virtual monoenergetic imaging in ultra high resolution by Elias Michael, Arwed, Schoenbeck, Denise, Michael Woeltjen, Matthias, Boriesosdick, Jan, Henning Niehoff, Julius, Surov, Alexey, Borggrefe, Jan, Schmidt, Bernhard, Panknin, Christoph, Hickethier, Tilman, Maintz, David, Christian Bunck, Alexander, Johannes Gertz, Roman, Robert Kroeger, Jan

“…Coronary computed tomography angiography (CCTA) is becoming increasingly important for the diagnostic workup of coronary artery disease, nevertheless, imaging…”
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Photon-counting CT Material Decomposition: Initial Experience in Assessing Adrenal Adenoma by Lennartz, Simon, Schoenbeck, Denise, Kröger, Jan Robert, Borggrefe, Jan, Henning Niehoff, Julius

“…See also the editorial by Pourmorteza in this issue…”
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Dedicated virtual non-contrast images adapted for liver tissue in clinical photon counting CT improve virtual non-contrast imaging in various organs beyond the liver by Schoenbeck, Denise, Pauline Haag, Nina, Elias Michael, Arwed, Michael Woeltjen, Matthias, Boriesosdick, Jan, Saeed, Saher, Borggrefe, Jan, Robert Kroeger, Jan, Henning Niehoff, Julius

“…PURPOSEPurpose of this study is to re-evaluate the accuracy and diagnostic reliability of virtual non-contrast (VNC) images acquired with the photon-counting…”
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Evaluation of the clinical performance of an AI-based application for the automated analysis of chest X-rays by Niehoff, Julius Henning, Kalaitzidis, Jana, Kroeger, Jan Robert, Schoenbeck, Denise, Borggrefe, Jan, Michael, Arwed Elias

“…The AI-Rad Companion Chest X-ray (AI-Rad, Siemens Healthineers) is an artificial-intelligence based application for the analysis of chest X-rays. The purpose…”
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Coronary stent imaging in photon counting computed Tomography: Optimization of reconstruction kernels in a phantom by Elias Michael, Arwed, Schoenbeck, Denise, Becker-Assmann, Jendrik, Henning Niehoff, Julius, Flohr, Thomas, Schmidt, Bernhard, Panknin, Christoph, Baer-Beck, Matthias, Hickethier, Tilman, Maintz, David, Christian Bunck, Alexander, Borggrefe, Jan, Wiemer, Marcus, Rudolph, Volker, Robert Kroeger, Jan

“…Optimization of Image Quality using Ultra High Resolution Mode and Optimized Kernels. The higher resolution in Ultra High Resolution Mode is particularly…”
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Impact of an online reference system on the diagnosis of rare or atypical abdominal tumors and lesions by Woeltjen, Matthias Michael, Niehoff, Julius Henning, Saeed, Saher, Mendorf, Alexander, Roggel, Ruth, Michael, Arwed Elias, Surov, Alexey, Moenninghoff, Christoph, Borggrefe, Jan, Kroeger, Jan Robert

“…The purpose of the present study is to evaluate whether an online reference system (ORS, STATdx Elsevier, Amsterdam, Netherlands) impacts finding the…”
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Virtual Non-Contrast versus True Non-Contrast Computed Tomography: Initial Experiences with a Photon Counting Scanner Approved for Clinical Use by Niehoff, Julius Henning, Woeltjen, Matthias Michael, Laukamp, Kai Roman, Borggrefe, Jan, Kroeger, Jan Robert

“…The present study evaluates the diagnostic reliability of virtual non-contrast (VNC) images acquired with the first photon counting CT scanner that is approved…”
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Low-Dose High-Resolution Photon-Counting CT of the Lung: Radiation Dose and Image Quality in the Clinical Routine by Woeltjen, Matthias Michael, Niehoff, Julius Henning, Michael, Arwed Elias, Horstmeier, Sebastian, Moenninghoff, Christoph, Borggrefe, Jan, Kroeger, Jan Robert

“…This study aims to investigate the qualitative and quantitative image quality of low-dose high-resolution (LD-HR) lung CT scans acquired with the first…”
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Diagnostic Image Quality of a Low-Field (0.55T) Knee MRI Protocol Using Deep Learning Image Reconstruction Compared with a Standard (1.5T) Knee MRI Protocol by Lopez Schmidt, Ingo, Haag, Nina, Shahzadi, Iram, Frohwein, Lynn Johann, Schneider, Claus, Niehoff, Julius Henning, Kroeger, Jan Robert, Borggrefe, Jan, Moenninghoff, Christoph

“…Low-field MRI at 0.55 Tesla (T) with deep learning image reconstruction has recently become commercially available. The objective of this study was to evaluate…”
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Short‐term mortality prediction in acute pulmonary embolism: Radiomics values of skeletal muscle and intramuscular adipose tissue by Shahzadi, Iram, Zwanenburg, Alex, Frohwein, Lynn Johann, Schramm, Dominik, Meyer, Hans Jonas, Hinnerichs, Mattes, Moenninghoff, Christoph, Niehoff, Julius Henning, Kroeger, Jan Robert, Borggrefe, Jan, Surov, Alexey

“…Background Acute pulmonary embolism (APE) is a potentially life‐threatening disorder, emphasizing the importance of accurate risk stratification and survival…”
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Image-Quality Assessment of Polyenergetic and Virtual Monoenergetic Reconstructions of Unenhanced CT Scans of the Head: Initial Experiences with the First Photon-Counting CT Approved for Clinical Use by Michael, Arwed Elias, Boriesosdick, Jan, Schoenbeck, Denise, Woeltjen, Matthias Michael, Saeed, Saher, Kroeger, Jan Robert, Horstmeier, Sebastian, Lennartz, Simon, Borggrefe, Jan, Niehoff, Julius Henning

“…In 2021, the first clinical photon-counting CT (PCCT) was introduced. The purpose of this study is to evaluate the image quality of polyenergetic and virtual…”
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Photon Counting CT Angiography of the Head and Neck: Image Quality Assessment of Polyenergetic and Virtual Monoenergetic Reconstructions by Michael, Arwed Elias, Boriesosdick, Jan, Schoenbeck, Denise, Lopez-Schmidt, Ingo, Kroeger, Jan Robert, Moenninghoff, Christoph, Horstmeier, Sebastian, Pennig, Lenhard, Borggrefe, Jan, Niehoff, Julius Henning

“…Background: The purpose of the present study was the evaluation of the image quality of polyenergetic and monoenergetic reconstructions (PERs and MERs) of CT…”
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Clinical Low Dose Photon Counting CT for the Detection of Urolithiasis: Evaluation of Image Quality and Radiation Dose by Niehoff, Julius Henning, Carmichael, Alexandra Fiona, Woeltjen, Matthias Michael, Boriesosdick, Jan, Lopez Schmidt, Ingo, Michael, Arwed Elias, Große Hokamp, Nils, Piechota, Hansjuergen, Borggrefe, Jan, Kroeger, Jan Robert

“…The purpose of this study was the evaluation of image quality and radiation dose parameters of the novel photon counting CT (PCCT, Naeotom Alpha, Siemens…”
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Clinical Low-Dose Photon-Counting CT for the Detection of Urolithiasis: Radiation Dose Reduction Is Possible without Compromising Image Quality by Niehoff, Julius Henning, Carmichael, Alexandra Fiona, Woeltjen, Matthias Michael, Boriesosdick, Jan, Michael, Arwed Elias, Schmidt, Bernhard, Panknin, Christoph, Flohr, Thomas G, Shahzadi, Iram, Piechota, Hansjuergen, Borggrefe, Jan, Kroeger, Jan Robert

“…This study evaluated the feasibility of reducing the radiation dose in abdominal imaging of urolithiasis with a clinical photon-counting CT (PCCT) by gradually…”
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Patient Comfort in Modern Computed Tomography: What Really Counts by Niehoff, Julius Henning, Heuser, Andreas, Michael, Arwed Elias, Lennartz, Simon, Borggrefe, Jan, Kroeger, Jan Robert

“…The purpose of the present study is to evaluate the patient comfort during CT examinations with a modern CT scanner (Photon-Counting CT (PCCT)) and to compare…”
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Bone Marrow Edema at Photon-Counting CT by Surov, Alexey, Niehoff, Julius Henning

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Effective Spatial Resolution of Photon Counting CT for Imaging of Trabecular Structures is Superior to Conventional Clinical CT and Similar to High Resolution Peripheral CT by Thomsen, Felix Sebastian Leo, Horstmeier, Sebastian, Niehoff, Julius Henning, Peña, Jaime Andrés, Borggrefe, Jan

“…Photon counting computed tomography (PCCT) might offer an effective spatial resolution that is significantly improved compared with conventional…”
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Assessment of hepatic steatosis based on virtual non-contrast computed tomography: Initial experiences with a photon counting scanner approved for clinical use by Niehoff, Julius Henning, Woeltjen, Matthias Michael, Saeed, Saher, Michael, Arwed Elias, Boriesosdick, Jan, Borggrefe, Jan, Kroeger, Jan Robert

“…The present study evaluates the diagnostic accuracy of virtual non-contrast (VNC) images acquired with the first clinical photon counting CT scanner for the…”
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Does bore size matter?—A comparison of the subjective perception of patient comfort during low field (0.55 Tesla) and standard (1.5 Tesla) MRI imaging by Michael, Arwed Elias, Heuser, Andreas, Moenninghoff, Christoph, Surov, Alexey, Borggrefe, Jan, Kroeger, Jan Robert, Niehoff, Julius Henning

“…The purpose of the present study was to evaluate the subjectively perceived patient comfort during magnetic resonance imaging (MRI) examinations and to assess…”
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Pancreatic cancer in photon-counting CT: Low keV virtual monoenergetic images improve tumor conspicuity by Woeltjen, Matthias Michael, Niehoff, Julius Henning, Roggel, Ruth, Michael, Arwed Elias, Gerdes, Berthold, Surov, Alexey, Borggrefe, Jan, Kroeger, Jan Robert

“…The aim of the study was to identify differences in the tumor conspicuity of pancreatic adenocarcinomas in different monoenergetic or polyenergetic…”
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