Search Results - "Nagel, Sebastian N"

Stability of Radiomic Features across Different Region of Interest Sizes—A CT and MR Phantom Study by Jensen, Laura J., Kim, Damon, Elgeti, Thomas, Steffen, Ingo G., Hamm, Bernd, Nagel, Sebastian N.

“…We aimed to evaluate radiomic features’ stability across different region of interest (ROI) sizes in CT and MR images. We chose a phantom with a homogenous…”
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CT radiomics to predict Deauville score 4 positive and negative Hodgkin lymphoma manifestations by Jensen, Laura J., Rogasch, Julian M. M., Kim, Damon, Rießelmann, Juliana, Furth, Christian, Amthauer, Holger, Hamm, Bernd, Steffen, Ingo G., Elgeti, Thomas, Nagel, Sebastian N.

“…18F-FDG-PET/CT is standard to assess response in Hodgkin lymphoma by quantifying metabolic activity with the Deauville score. PET/CT, however, is…”
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Stability of Liver Radiomics across Different 3D ROI Sizes-An MRI In Vivo Study by Jensen, Laura J, Kim, Damon, Elgeti, Thomas, Steffen, Ingo G, Hamm, Bernd, Nagel, Sebastian N

“…We aimed to evaluate the stability of radiomic features in the liver of healthy individuals across different three-dimensional regions of interest (3D ROI)…”
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Evaluation of a Deep Learning Algorithm for Automated Spleen Segmentation in Patients with Conditions Directly or Indirectly Affecting the Spleen by Meddeb, Aymen, Kossen, Tabea, Bressem, Keno K, Hamm, Bernd, Nagel, Sebastian N

“…The aim of this study was to develop a deep learning-based algorithm for fully automated spleen segmentation using CT images and to evaluate the performance in…”
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Enhancing the stability of CT radiomics across different volume of interest sizes using parametric feature maps: a phantom study by Jensen, Laura J., Kim, Damon, Elgeti, Thomas, Steffen, Ingo G., Schaafs, Lars-Arne, Hamm, Bernd, Nagel, Sebastian N.

“…Background In radiomics studies, differences in the volume of interest (VOI) are often inevitable and may confound the extracted features. We aimed to correct…”
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Radiomics for Everyone: A New Tool Simplifies Creating Parametric Maps for the Visualization and Quantification of Radiomics Features by Kim, Damon, Jensen, Laura J., Elgeti, Thomas, Steffen, Ingo G., Hamm, Bernd, Nagel, Sebastian N.

“…Aim was to develop a user-friendly method for creating parametric maps that would provide a comprehensible visualization and allow immediate quantification of…”
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Evaluation of left ventricular function in patients with acute ischaemic stroke using cine cardiovascular magnetic resonance imaging by Hellwig, Simon, Grittner, Ulrike, Elgeti, Matthias, Wyschkon, Sebastian, Nagel, Sebastian N., Fiebach, Jochen B., Krause, Thomas, Herm, Juliane, Scheitz, Jan F., Endres, Matthias, Nolte, Christian H., Haeusler, Karl Georg, Elgeti, Thomas

“…Aims Heart failure (HF) is frequent in patients with acute ischaemic stroke (AIS) and associated with higher morbidity and mortality. Assessment of cardiac…”
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Age-dependent diagnostic accuracy of clinical scoring systems and D-dimer levels in the diagnosis of pulmonary embolism with computed tomography pulmonary angiography (CTPA) by Nagel, Sebastian N., Steffen, Ingo G., Schwartz, Stefan, Hamm, Bernd, Elgeti, Thomas

“…Objective The aim of this study was to compare the age-dependent diagnostic performance of clinical scores and D-dimer testing to identify patients with…”
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Two-Stage Deep Learning Model for Automated Segmentation and Classification of Splenomegaly by Meddeb, Aymen, Kossen, Tabea, Bressem, Keno K, Molinski, Noah, Hamm, Bernd, Nagel, Sebastian N

“…Splenomegaly is a common cross-sectional imaging finding with a variety of differential diagnoses. This study aimed to evaluate whether a deep learning model…”
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Enhancing the differentiation of pulmonary lymphoma and fungal pneumonia in hematological patients using texture analysis in 3-T MRI by Kim, Damon, Elgeti, Thomas, Penzkofer, Tobias, Steffen, Ingo G., Jensen, Laura J., Schwartz, Stefan, Hamm, Bernd, Nagel, Sebastian N.

“…Objectives To evaluate texture analysis in nonenhanced 3-T MRI for differentiating pulmonary fungal infiltrates and lymphoma manifestations in hematological…”
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Differentiating inflammatory and malignant pulmonary lesions on 3T lung MRI with radiomics of apparent diffusion coefficient maps and T2w derived radiomic feature maps by Jensen, Laura J, Kim, Damon, Elgeti, Thomas, Steffen, Ingo G, Schaafs, Lars-Arne, Hamm, Bernd, Nagel, Sebastian N

“…Differentiating inflammatory from malignant lung lesions continues to be challenging in clinical routine, frequently requiring invasive methods like biopsy…”
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Differentiation of Pulmonary Lymphoma Manifestations and Nonlymphoma Infiltrates in Possible Invasive Fungal Disease Using Fast T1-weighted Magnetic Resonance Imaging at 3 T Comparison of Texture Analysis, Mapping, and Signal Intensity Quotients by Jensen, Laura J., Kim, Damon, Elgeti, Thomas, Steffen, Ingo G., Hamm, Bernd, Nagel, Sebastian N.

“…This study aimed to evaluate the diagnostic performance of texture analysis (TA), T1 mapping, and signal intensity quotients derived from fast T1-weighted…”
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Outcome analysis in 3,160 implantations of radiologically guided placements of totally implantable central venous port systems by Teichgräber, Ulf K. M., Kausche, Stephan, Nagel, Sebastian N., Gebauer, Bernhard

“…Objectives In this retrospective study the success and complication rates after radiologically guided port catheter implantation were evaluated. Methods…”
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Elevation of cardiac biomarkers in stroke is associated with pathological findings on cardiac MRI—results of the HEart and BRain interfaces in Acute Stroke study by von Rennenberg, Regina, Herm, Juliane, Krause, Thomas, Hellwig, Simon, Stengl, Helena, Scheitz, Jan F, Elgeti, Thomas, Nagel, Sebastian N, Endres, Matthias, Haeusler, Karl Georg, Nolte, Christian H

“…Introduction: Cardiac biomarkers, such as high-sensitivity cardiac troponin T (hs-cTnT), are frequently elevated in ischemic stroke patients but the mechanisms…”
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Clinical benefit of power-injectable port systems: A prospective observational study by Teichgräber, Ulf K.M, Nagel, Sebastian N, Kausche, Stephan, Enzweiler, Christian

“…Abstract Objective To prospectively evaluate the clinical benefit of a central venous port system, which is approved for contrast media injection during…”
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Evaluation of radiologically implanted central venous port systems explanted due to complications by Teichgräber, Ulf K M, Kausche, Stephan, Nagel, Sebastian N

“…The aim of this study was to evaluate explantations of central venous port systems that were implanted by interventional radiologists in cases where…”
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Double-Lumen Central Venous Port Catheters: Simultaneous Application for Chemotherapy and Parenteral Nutrition in Cancer Patients by Teichgräber, Ulf K.M., Nagel, Sebastian N., Kausche, Stephan, Streitparth, Florian, Hee Cho, Chie

“…Purpose This study was designed to evaluate the clinical benefit of low-profile double-lumen port catheters in patients receiving simultaneous chemotherapy and…”
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Differentiation of Pulmonary Lymphoma Manifestations and Nonlymphoma Infiltrates in Possible Invasive Fungal Disease Using Fast T1-weighted Magnetic Resonance Imaging at 3 T Comparison of Texture Analysis, Mapping, and Signal Intensity Quotients by Jensen, Laura J., Kim, Damon, Elgeti, Thomas, Steffen, Ingo G., Hamm, Bernd, Nagel, Sebastian N.

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Detecting Clinically Significant Prostate Cancer in PI-RADS 3 Lesions Using T2w-Derived Radiomics Feature Maps in 3T Prostate MRI by Jensen, Laura J., Kim, Damon, Elgeti, Thomas, Steffen, Ingo G., Schaafs, Lars-Arne, Haas, Matthias, Kurz, Lukas J., Hamm, Bernd, Nagel, Sebastian N.

“…Prostate Imaging Reporting and Data System version 2.1 (PI-RADS) category 3 lesions are a challenge in the clinical workflow. A better detection of the…”
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