Evaluating small coronary stents with dual-source photon-counting computed tomography: effect of different scan modes on image quality and performance in a phantom

Authors: Thomas Stein, Constantin von zur Muhlen, Niklas Verloh, Till Schürmann, Tobias Krauss, Martin Soschynski, Dirk Westermann, Jana Taron, Elif Can, Christopher L. Schlett, Fabian Bamberg, Christopher Schuppert, Muhammad Taha Hagar

Source: Diagnostic and Interventional Radiology, Vol 31, Iss 1, Pp 29-38 (2025)

Subject Terms: computed tomography, coronary artery, stents, technology, Medical physics. Medical radiology. Nuclear medicine, R895-920

File Description: electronic resource

Relation: https://doaj.org/toc/1305-3825; https://doaj.org/toc/1305-3612

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eGantryMate: A Piezo-Motor-Driven Lean and Flexible Assistance System for MR-Guided Interventions at 1.5T

Authors: Samantha Hickey, Ali C. Ozen, Simon Reiss, Andreas Reichert, Niklas Verloh, Thomas Lottner, Srdjan Milosavljevic, Michael Vogele, Wibke Uller, Michael Bock

Source: IEEE Access, Vol 12, Pp 40267-40278 (2024)

Subject Terms: MR-guided interventions, magnetic resonance imaging, interventional MRI devices, Electrical engineering. Electronics. Nuclear engineering, TK1-9971

File Description: electronic resource

Relation: https://ieeexplore.ieee.org/document/10472529/; https://doaj.org/toc/2169-3536

Access URL: https://doaj.org/article/f73f50d9694a4008aa531519ad4b0281

Biliary Leak after Pediatric Liver Transplantation Treated by Percutaneous Transhepatic Biliary Drainage—A Case Series

Authors: Michael Doppler, Christin Fürnstahl, Simone Hammer, Michael Melter, Niklas Verloh, Hans Jürgen Schlitt, Wibke Uller

Source: Tomography, Vol 9, Iss 5, Pp 1965-1975 (2023)

Subject Terms: PTBD, pediatric liver transplantation, biliary leak, pLTx, percutaneous transhepatic biliary drainage, Computer applications to medicine. Medical informatics, R858-859.7

File Description: electronic resource

Relation: https://www.mdpi.com/2379-139X/9/5/153; https://doaj.org/toc/2379-1381; https://doaj.org/toc/2379-139X

Access URL: https://doaj.org/article/82efe1e3b04348119b0cd3d231c94c6d

Photon-counting computed tomography of coronary and peripheral artery stents: a phantom study

Authors: Thomas Stein, Jana Taron, Niklas Verloh, Michael Doppler, Alexander Rau, Muhammad Taha Hagar, Sebastian Faby, Dimos Baltas, Dirk Westermann, Isabelle Ayx, Stefan O. Schönberg, Konstantin Nikolaou, Christopher L. Schlett, Fabian Bamberg, Jakob Weiss

Source: Scientific Reports, Vol 13, Iss 1, Pp 1-11 (2023)

Subject Terms: Medicine, Science

File Description: electronic resource

Relation: https://doaj.org/toc/2045-2322

Access URL: https://doaj.org/article/c76a85ec05ad4250b7c6322f951a50fc

Differentiating Well-Differentiated from Poorly-Differentiated HCC: The Potential and the Limitation of Gd-EOB-DTPA in the Presence of Liver Cirrhosis

Authors: Andrea Goetz, Niklas Verloh, Kirsten Utpatel, Claudia Fellner, Janine Rennert, Ingo Einspieler, Michael Doppler, Lukas Luerken, Leona S. Alizadeh, Wibke Uller, Christian Stroszczynski, Michael Haimerl

Source: Diagnostics, Vol 14, Iss 15, p 1676 (2024)

Subject Terms: hepatocellular carcinoma (HCC), gadolinium ethoxybenzyl-diethylenetriaminepentaacetic acid (Gd-EOB-DTPA), magnetic resonance imaging (MRI), liver cirrhosis, tumor differentiation, Medicine (General), R5-920

File Description: electronic resource

Relation: https://www.mdpi.com/2075-4418/14/15/1676; https://doaj.org/toc/2075-4418

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Different Ultrasound Shear Wave Elastography Techniques as Novel Imaging-Based Approaches for Quantitative Evaluation of Hepatic Steatosis—Preliminary Findings

Authors: Natascha Platz Batista da Silva, Gregor Scharf, Lukas Lürken, Niklas Verloh, Stephan Schleder, Christian Stroszczynski, Ernst Michael Jung, Michael Haimerl

Source: Tomography, Vol 9, Iss 2, Pp 681-692 (2023)

Subject Terms: shear-wave elastography, shear-wave dispersion, attenuation imaging, hepatic steatosis, liver MRI, PDFF, Computer applications to medicine. Medical informatics, R858-859.7

File Description: electronic resource

Relation: https://www.mdpi.com/2379-139X/9/2/54; https://doaj.org/toc/2379-1381; https://doaj.org/toc/2379-139X

Access URL: https://doaj.org/article/5d0336044ac94a7b8e289cc8cc272f7e

Hepatic decompensation after transarterial radioembolization: A retrospective analysis of risk factors and outcome in patients with hepatocellular carcinoma

Authors: Marlene Reincke, Michael Schultheiss, Michael Doppler, Niklas Verloh, Wibke Uller, Lukas Sturm, Robert Thimme, Christian Goetz, Dominik Bettinger

Source: Hepatology Communications, Vol 6, Iss 11, Pp 3223-3233 (2022)

Subject Terms: Diseases of the digestive system. Gastroenterology, RC799-869

File Description: electronic resource

Relation: https://doaj.org/toc/2471-254X

Access URL: https://doaj.org/article/fc2d6b8e2c4c4d62b05d7cfe2baae433

Retrospective evaluation of early thrombosis in transjugular intrahepatic portosystemic polytetrafluoroethylene-coated shunts under 2-day postinterventional heparinization

Authors: Holger Goessmann, Verna Schuffenhauer, Arne Kandulski, Kilian Weigand, Ernst-Michael Jung, Wibke Uller, Gregor Scharf, Cristian Stroszczynski, Niklas Verloh

Source: Scientific Reports, Vol 12, Iss 1, Pp 1-11 (2022)

Subject Terms: Medicine, Science

File Description: electronic resource

Relation: https://doaj.org/toc/2045-2322

Access URL: https://doaj.org/article/e529e33106eb4d968fbbaeeb6195e4d4

Quantification of contrast agent uptake in the hepatobiliary phase helps to differentiate hepatocellular carcinoma grade

Authors: Michael Haimerl, Kirsten Utpatel, Andrea Götz, Florian Zeman, Claudia Fellner, Dominik Nickel, Lukas Luerken, Frank Brennfleck, Christian Stroszczynski, Alexander Scheiter, Niklas Verloh

Source: Scientific Reports, Vol 11, Iss 1, Pp 1-10 (2021)

Subject Terms: Medicine, Science

File Description: electronic resource

Relation: https://doaj.org/toc/2045-2322

Access URL: https://doaj.org/article/ed4ba9157f954786853599bd0b0a3e96

Volume-Assisted Estimation of Remnant Liver Function Based on Gd-EOB-DTPA Enhanced MR Relaxometry: A Prospective Observational Trial

Authors: Niklas Verloh, Carolina Rio Bartulos, Kirsten Utpatel, Frank Brennfleck, Andrea Goetz, Andreas Schicho, Claudia Fellner, Dominik Nickel, Florian Zeman, Johannes F. Steinmann, Wibke Uller, Christian Stroszczynski, Hans-Jürgen Schlitt, Phillip Wiggermann, Michael Haimerl

Source: Diagnostics, Vol 13, Iss 18, p 3014 (2023)

Subject Terms: liver resection, liver dysfunction, postoperative remnant liver function, small for size syndrome, magnetic resonance imaging (MRI), gadoxetic acid-enhanced MRI (Gd-EOB-DTPA), Medicine (General), R5-920

File Description: electronic resource

Relation: https://www.mdpi.com/2075-4418/13/18/3014; https://doaj.org/toc/2075-4418

Access URL: https://doaj.org/article/5a34d4f128fe4d82aff6ecba2f93994d

Diagnostic Accuracy of Indocyanine Green Clearance Test for Different Stages of Liver Fibrosis and Cirrhosis

Authors: Lukas Luerken, Marco Dollinger, Andrea Goetz, Kirstin Utpatel, Michael Christian Doppler, Jakob Benedikt Weiss, Wibke Uller, André Ignee, Niklas Verloh, Michael Haimerl

Source: Diagnostics, Vol 13, Iss 16, p 2663 (2023)

Subject Terms: hepatology, chronic liver disease, liver function, liver fibrosis, liver cirrhosis, diagnostic tests, Medicine (General), R5-920

File Description: electronic resource

Relation: https://www.mdpi.com/2075-4418/13/16/2663; https://doaj.org/toc/2075-4418

Access URL: https://doaj.org/article/8270825a386740eba340b15371d8c337

Predictive Value of [99mTc]-MAA-Based Dosimetry in Hepatocellular Carcinoma Patients Treated with [90Y]-TARE: A Single-Center Experience

Authors: Michael Doppler, Marlene Reincke, Dominik Bettinger, Katharina Vogt, Jakob Weiss, Michael Schultheiss, Wibke Uller, Niklas Verloh, Christian Goetz

Source: Diagnostics, Vol 13, Iss 14, p 2432 (2023)

Subject Terms: TARE, radioembolization, 90Y-dosimetry, hepatocellular carcinoma, retrospective analysis, Medicine (General), R5-920

File Description: electronic resource

Relation: https://www.mdpi.com/2075-4418/13/14/2432; https://doaj.org/toc/2075-4418

Access URL: https://doaj.org/article/492012785bde439a98cda41f1e4d5266

Identification and In-Depth Analysis of the Novel FGFR2-NDC80 Fusion in a Cholangiocarcinoma Patient: Implication for Therapy

Authors: Alexander Scheiter, Felix Keil, Florian Lüke, Jirka Grosse, Niklas Verloh, Sabine Opitz, Sophie Schlosser, Arne Kandulski, Tobias Pukrop, Wolfgang Dietmaier, Matthias Evert, Diego F. Calvisi, Kirsten Utpatel

Source: Current Oncology, Vol 28, Iss 2, Pp 1161-1169 (2021)

Subject Terms: cholangiocarcinoma, FGFR fusion, NDC80, FRS2, Neoplasms. Tumors. Oncology. Including cancer and carcinogens, RC254-282

File Description: electronic resource

Relation: https://www.mdpi.com/1718-7729/28/2/112; https://doaj.org/toc/1198-0052; https://doaj.org/toc/1718-7729

Access URL: https://doaj.org/article/f2ad679a909f4daf81e62e6f9b6cc0ab

Is There Still a Role for Two-Phase Contrast-Enhanced CT and Virtual Monoenergetic Images in the Era of Photon-Counting Detector CT?

Authors: Arne Estler, Konstantin Nikolaou, Stefan O. Schönberg, Fabian Bamberg, Matthias F. Froelich, Fabian Tollens, Niklas Verloh, Jakob Weiss, Marius Horger, Florian Hagen

Source: Diagnostics, Vol 13, Iss 8, p 1454 (2023)

Subject Terms: photon counting CT, dual-source CT, dual-phase contrast-enhanced CT, Medicine (General), R5-920

File Description: electronic resource

Relation: https://www.mdpi.com/2075-4418/13/8/1454; https://doaj.org/toc/2075-4418

Access URL: https://doaj.org/article/6806dc9c61f34ab3910b04b389853ea7

Water–Fat Separated T1 Mapping in the Liver and Correlation to Hepatic Fat Fraction

Authors: Claudia Fellner, Marcel Dominik Nickel, Stephan Kannengiesser, Niklas Verloh, Christian Stroszczynski, Michael Haimerl, Lukas Luerken

Source: Diagnostics, Vol 13, Iss 2, p 201 (2023)

Subject Terms: liver, quantitative magnetic resonance imaging, T1 mapping, Dixon, Medicine (General), R5-920

File Description: electronic resource

Relation: https://www.mdpi.com/2075-4418/13/2/201; https://doaj.org/toc/2075-4418

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Application of A U-Net for Map-like Segmentation and Classification of Discontinuous Fibrosis Distribution in Gd-EOB-DTPA-Enhanced Liver MRI

Authors: Quirin David Strotzer, Hinrich Winther, Kirsten Utpatel, Alexander Scheiter, Claudia Fellner, Michael Christian Doppler, Kristina Imeen Ringe, Florian Raab, Michael Haimerl, Wibke Uller, Christian Stroszczynski, Lukas Luerken, Niklas Verloh

Source: Diagnostics, Vol 12, Iss 8, p 1938 (2022)

Subject Terms: liver fibrosis, cirrhosis, segmentation, Artificial Intelligence, U-Net, convolutional neural network, Medicine (General), R5-920

File Description: electronic resource

Relation: https://www.mdpi.com/2075-4418/12/8/1938; https://doaj.org/toc/2075-4418

Access URL: https://doaj.org/article/96595a1d11624ba08046e1c320c82003

In vivo confirmation of altered hepatic glucose metabolism in patients with liver fibrosis/cirrhosis by 18F-FDG PET/CT

Authors: Niklas Verloh, Ingo Einspieler, Kirsten Utpatel, Karin Menhart, Stefan Brunner, Frank Hofheinz, Jörg van den Hoff, Philipp Wiggermann, Matthias Evert, Christian Stroszczynski, Dirk Hellwig, Jirka Grosse

Source: EJNMMI Research, Vol 8, Iss 1, Pp 1-9 (2018)

Subject Terms: 18F-FDG PET/CT, Hepatic metabolism, Liver fibrosis, Liver cirrhosis, FDG kinetics, METAVIR score, Medical physics. Medical radiology. Nuclear medicine, R895-920

File Description: electronic resource

Relation: http://link.springer.com/article/10.1186/s13550-018-0452-y; https://doaj.org/toc/2191-219X

Access URL: https://doaj.org/article/e517689f71d54721bd4a2db9e18cfa87

Changes in gadoxetic-acid-enhanced MR imaging during the first year after irreversible electroporation of malignant hepatic tumors.

Authors: Wolf Bäumler, Andreas Schicho, Jan Schaible, Niklas Verloh, Karin Senk, Phillip Wiggermann, Christian Stroszczynski, Lukas Phillip Beyer

Source: PLoS ONE, Vol 15, Iss 11, p e0242093 (2020)

Subject Terms: Medicine, Science

File Description: electronic resource

Relation: https://doaj.org/toc/1932-6203

Access URL: https://doaj.org/article/fdea6a0180be49e295e1d2fb0e94f977

Quantitative evaluation of enhancement patterns in focal solid liver lesions with Gd-EOB-DTPA-enhanced MRI.

Authors: Michael Haimerl, Max Wächtler, Florian Zeman, Niklas Verloh, Ivan Platzek, Andreas Georg Schreyer, Christian Stroszczynski, Philipp Wiggermann

Source: PLoS ONE, Vol 9, Iss 6, p e100315 (2014)

Subject Terms: Medicine, Science

File Description: electronic resource

Relation: http://europepmc.org/articles/PMC4065046?pdf=render; https://doaj.org/toc/1932-6203

Access URL: https://doaj.org/article/a6ec83c105b2405ea83ac6080010c825

Assessment of clinical signs of liver cirrhosis using T1 mapping on Gd-EOB-DTPA-enhanced 3T MRI.

Authors: Michael Haimerl, Niklas Verloh, Florian Zeman, Claudia Fellner, René Müller-Wille, Andreas G Schreyer, Christian Stroszczynski, Philipp Wiggermann

Source: PLoS ONE, Vol 8, Iss 12, p e85658 (2013)

Subject Terms: Medicine, Science

File Description: electronic resource

Relation: http://europepmc.org/articles/PMC3877368?pdf=render; https://doaj.org/toc/1932-6203

Access URL: https://doaj.org/article/b1b288d4f55b49ee88941177d59b0516