Search Results - "ROGALLA, Patrik"

RANDGAN: Randomized generative adversarial network for detection of COVID-19 in chest X-ray by Motamed, Saman, Rogalla, Patrik, Khalvati, Farzad

“…COVID-19 spread across the globe at an immense rate and has left healthcare systems incapacitated to diagnose and test patients at the needed rate. Studies…”
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Data augmentation using Generative Adversarial Networks (GANs) for GAN-based detection of Pneumonia and COVID-19 in chest X-ray images by Motamed, Saman, Rogalla, Patrik, Khalvati, Farzad

“…Successful training of convolutional neural networks (CNNs) requires a substantial amount of data. With small datasets, networks generalize poorly. Data…”
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Local staging of rectal cancer: the current role of MRI by Klessen, Christian, Rogalla, Patrik, Taupitz, Matthias

“…With the advent of powerful gradient coil systems and high-resolution surface coils, magnetic resonance imaging (MRI) has recently extended its role in the…”
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In the Absence of Proof by Kushwaha, Sameer, Bogoch, Isaac I, Mak, Susanna, Rogalla, Patrik, Detsky, Allan S

“…A previously healthy 50-year-old man presented to the emergency department with a 5-day history of sharp pleuritic chest pain on the left side, dry cough, and…”
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Dual-energy CT in diffuse liver disease: is there a role? by Elbanna, Khaled Y., Mansoori, Bahar, Mileto, Achille, Rogalla, Patrik, S. Guimarães, Luís

“…Dual-energy CT (DECT) can be defined as the use of two different energy levels to identify and quantify material composition. Since its inception, DECT has…”
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CT Abdominal Tomography Indications: Are We All Sticking to the Plan? by Pyper, Michael, Sidiqi, Abdulwahab, Rogalla, Patrik, Sabbah, Sam, Kielar, Ania

“…Objective: Ultra-low radiation dose computed tomography (CT) abdominal tomography was introduced in our institution in 2016 to replace standard abdominal…”
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Ultra-low dose CT abdomen and pelvis for the detection of acute abdominal pathology in the emergency room: initial experience from an academic hospital by Gavrielli, Shlomo, Yan, Charles, Rogalla, Patrik, Anconina, Reut, Metser, Ur

“…Purpose The aim of this study is to describe our initial experience using ULDCT performed in the emergency room in the evaluation of acute abdominal pathology…”
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Real time visualization of femoroacetabular impingement and subluxation using 320-slice computed tomography by Wassilew, Georgi I., Janz, Viktor, Heller, Markus O., Tohtz, Stephan, Rogalla, Patrik, Hein, Patrick, Perka, Carsten

“…We visualized extreme ranges of motion of the hip and located femoroacetabular impingement (FAI) and subluxations using 4dimensional (D) volume computed…”
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Hybrid iterative reconstruction technique for abdominal CT protocols in obese patients: assessment of image quality, radiation dose, and low-contrast detectability in a phantom by Schindera, Sebastian T, Odedra, Devang, Mercer, Diego, Thipphavong, Seng, Chou, Paul, Szucs-Farkas, Zsolt, Rogalla, Patrik

“…The purpose of this study was to assess the impact of a noise reduction technique on image quality, radiation dose, and low-contrast detectability in abdominal…”
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Development of a classification method for mild liver fibrosis using non-contrast CT image by Hirano, Ryo, Rogalla, Patrik, Farrell, Christin, Hoppel, Bernice, Fujisawa, Yasuko, Ohyu, Shigeharu, Hattori, Chihiro, Sakaguchi, Takuya

“…Purpose Detection of early-stage liver fibrosis has direct clinical implications on patient management and treatment. The aim of this paper is to develop a…”
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Prototype Ultrahigh-Resolution Computed Tomography for Chest Imaging: Initial Human Experience by Shanbhag, Sujata M, Schuzer, John L, Steveson, Chloe, Rollison, Shirley, Bronson, Kathie C, Stagliano, Michael S, Rogalla, Patrik, Blum, Alain, Prokop, Mathias, Chen, Marcus Y

“…The objective of this study was to evaluate a prototype, ultrahigh-resolution computed tomography offering higher reconstruction matrix (1024 × 1024) and…”
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Plasma-first: accelerating lung cancer diagnosis and molecular profiling through liquid biopsy by Garcia-Pardo, Miguel, Czarnecka, Kasia, Law, Jennifer H., Salvarrey, Alexandra, Fernandes, Roxanne, Fan, Jason, Corke, Lucy, Waddell, Thomas K., Yasufuku, Kazuhiro, Donahoe, Laura L., Pierre, Andrew, Le, Lisa W., Ghumman, Noor, Liu, Geoffrey, Shepherd, Frances A., Bradbury, Penelope, Sacher, Adrian, Stockley, Tracy, Pal, Prodipto, Rogalla, Patrik, Tsao, Ming Sound, Leighl, Natasha B.

“…Introduction: Molecular profiling of tumor tissue is the gold standard for treatment decision-making in advanced non-small cell lung cancer (NSCLC). Results…”
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An unusual case of nodular pulmonary amyloidosis by Nikzad, Sarina, Al‐Arnawoot, Amna A., Cabaero, Michael, Rogalla, Patrik

“…Nodular pulmonary amyloidosis is a rare and localized manifestation of amyloid deposition in the lungs. This rare entity, though asymptomatic, is often…”
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Low-dose triple-rule-out using 320-row-detector volume MDCT – less contrast medium and lower radiation exposure by Durmus, Tahir, Rogalla, Patrik, Lembcke, Alexander, Mühler, Matthias R., Hamm, Bernd, Hein, Patrick A.

“…Objectives To investigate image quality of triple-rule-out (TRO) computed tomography (CT) using a 320-row-detector CT system with substantially reduced…”
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CT Technology Overview: 64-Slice and Beyond by Rogalla, Patrik, MD, Kloeters, Christian, MD, Hein, Patrick A., MD

“…Sixty-four–slice CT typified the dramatic race in technical development in radiology. Featuring high spatial resolution with 0.5-mm thin slices and 0.3-second…”
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Intra- and Interobserver Variability of Linear and Volumetric Measurements of Brain Metastases Using Contrast-Enhanced Magnetic Resonance Imaging by Bauknecht, Hans-Christian, Romano, Valentina C, Rogalla, Patrik, Klingebiel, Randolf, Wolf, Claudia, Bornemann, Lars, Hamm, Bernd, Hein, Patrick A

“…OBJECTIVES:To compare the intra- and interobserver variability of diameter and semiautomated volume measurements of brain metastases on contrast-enhanced…”
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Feasibility of contrast material volume reduction in coronary artery imaging using 320-slice volume CT by Hein, Patrick A., May, Juliane, Rogalla, Patrik, Butler, Craig, Hamm, Bernd, Lembcke, Alexander

“…Objective To assess reduced volumes of contrast agent on image quality for coronary computed tomography angiography (CCTA) by using single-beat cardiac imaging…”
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Multisegment and Halfscan Reconstruction of 16-Slice Computed Tomography for Detection of Coronary Artery Stenoses by Dewey, Marc, Laule, Michael, Krug, Lasse, Schnapauff, Dirk, Rogalla, Patrik, Rutsch, Wolfgang, Hamm, Bernd, Lembcke, Alexander

“…RATIONALE AND OBJECTIVES:To compare the diagnostic accuracy and image quality of 2 reconstruction algorithms (multisegment and halfscan) for computed…”
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Increase in Utilization of Afterhours Medical Imaging: A Study of Three Canadian Academic Centers by Chaudhry, Shivani, MD, Dhalla, Irfan, MD, Lebovic, Gerald, PhD, Rogalla, Patrik, MD, Dowdell, Timothy, MD

“…Abstract Objectives The objectives of our study were to assess trends in afterhours medical imaging utilization for emergency department (ED) and inpatient…”
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Feasibility of Measuring Trabecular Bone Structure of the Proximal Femur Using 64-Slice Multidetector Computed Tomography in a Clinical Setting by Diederichs, Gerd, Link, Thomas, Marie, Kentenich, Huber, Markus, Rogalla, Patrik, Burghardt, Andrew, Majumdar, Sharmila, Issever, Ahi

“…We studied the feasibility of cancellous bone structure assessment of the proximal femur using multidetector computed tomography (MDCT) in an simulated in vivo…”
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