Obmann, Verena Carola

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2021

Obmann, Verena Carola; Berzigotti, Annalisa; Catucci, Damiano; Ebner, Lukas; Gräni, Christoph; Heverhagen, Johannes; Christe, Andreas; Huber, Adrian Thomas (2021). T1 mapping of the liver and the spleen in patients with liver fibrosis-does normalization to the blood pool increase the predictive value? European radiology, 31(6), pp. 4308-4318. Springer-Verlag 10.1007/s00330-020-07447-8

Obmann, Verena C.; Bickel, Flurina; Hosek, Nicola; Ebner, Lukas; Huber, Adrian T.; Damonti, Lauro; Zimmerli, Stefan; Christe, Andreas (2021). Radiological CT Patterns and Distribution of Invasive Pulmonary Aspergillus, Non-Aspergillus, Cryptococcus and Pneumocystis Jirovecii Mold Infections - A Multicenter Study. (In Press). RöFo. Fortschritte auf dem Gebiet der Röntgenstrahlen und der bildgebenden Verfahren Thieme 10.1055/a-1482-8336

Obmann, V. C.; Marx, C.; Hrycyk, J.; Berzigotti, A.; Ebner, L.; Mertineit, N.; Gräni, Ch.; Heverhagen, J. T.; Christe, A.; Huber, A. T. (2021). Liver segmental volume and attenuation ratio (LSVAR) on portal venous CT scans improves the detection of clinically significant liver fibrosis compared to liver segmental volume ratio (LSVR). Abdominal radiology, 46(5), pp. 1912-1921. Springer 10.1007/s00261-020-02834-7

Obmann, V. C.; Catucci, D.; Berzigotti, A.; Gräni, C.; Ebner, L.; Heverhagen, J. T.; Christe, A.; Huber, A. T. (March 2021). T1 reduction rate with Gd-EOB-DTPA for liver function mapping in MRI: Comparison between 1.5T and 3T in a cross-sectional comparative study (Unpublished). In: ECR 2021 (Online). March 3-7, 2021.

Li, Lin; Shiradkar, Rakesh; Leo, Patrick; Algohary, Ahmad; Fu, Pingfu; Tirumani, Sree Harsha; Mahran, Amr; Buzzy, Christina; Obmann, Verena C.; Mansoori, Bahar; El-Fahmawi, Ayah; Shahait, Mohammed; Tewari, Ashutosh; Magi-Galluzzi, Cristina; Lee, David; Lal, Priti; Ponsky, Lee; Klein, Eric; Purysko, Andrei S. and Madabhushi, Anant (2021). A novel imaging based Nomogram for predicting post-surgical biochemical recurrence and adverse pathology of prostate cancer from pre-operative bi-parametric MRI. EBioMedicine, 63, p. 103163. Elsevier 10.1016/j.ebiom.2020.103163

Moullet, Barbara; Kolev, Mirjam; Ebner, Lukas; Langer, Rupert; Gräni, Christoph; Obmann, Verena; Maurer, Martin; Semmo, Nasser; Christe, Andreas; Huber, Adrian Thomas (2021). Adult form of Langerhans cell histiocytosis with pulmonary and hepatic Involvement mimicking malignancy in a patient with chronic hepatitis C infection. Radiology case reports, 16(2), pp. 327-333. Elsevier 10.1016/j.radcr.2020.11.022

Gupta, Amit; Obmann, Verena Carola; Jordan, Michelle; Lennartz, Simon; Obmann, Markus Michael; Große Hokamp, Nils; Zopfs, David; Pennig, Lenhard; Fürtjes, Gina; Ramaiya, Nikhil; Gilkeson, Robert; Laukamp, Kai Roman (2021). CT artifacts after contrast media injection in chest imaging: evaluation of post-processing algorithms, virtual monoenergetic images and their combination for artifact reduction. Quantitative imaging in medicine and surgery, 11(1), pp. 226-239. AME Publishing Company 10.21037/qims-20-435

Härmä, Kirsi Hannele; Khanicheh, Elham; Obmann, Verena Carola; Heverhagen, Johannes (2021). Reinterpretation of gynecologic radiology findings is purposeful in daily clinical routine: A prospective study of disagreement rates. (Unpublished). In: SCR'21.

2020

Seyfried, Nicole; Mahran, Amr; Panda, Ananya; Obmann, Verena C.; Buzzy, Christina A; Jiang, Yun; Wright, Katherine L; Nakamoto, Dean A; Patel, Indravadan J; Conroy, Britt; Ponsky, Lee; Gulani, Vikas (2020). Diagnostic Yield of Incremental Biopsy Cores and Second Lesion Sampling for In-Gantry MRI-Guided Prostate Biopsy. (In Press). AJR, American journal of roentgenology American Roentgen Ray Society 10.2214/AJR.20.24918

Laukamp, Kai Roman; Ho, Vivian; Obmann, Verena Carola; Herrmann, Karin; Gupta, Amit; Borggrefe, Jan; Lennartz, Simon; Große Hokamp, Nils; Ramaiya, Nikhil (2020). Virtual non-contrast for evaluation of liver parenchyma and vessels: results from 25 patients using multi-phase spectral-detector CT. Acta radiologica, 61(8), pp. 1143-1152. Sage 10.1177/0284185119893094

Hrycyk, Joris; Obmann, Verena Carola; Marx, Christina Lynn; Kadji, W; Catucci, D; Berzigotti, Annalisa; Ebner, Lukas; Christe, Andreas; Huber, Adrian Thomas (July 2020). Liver vein to cava attenuation: a simple parameter to increase predictive value of caudate-right lobe ratio and liver segmental volume ratio to detect significant liver fibrosis on abdominal CT scans (Unpublished). In: ECR 2020. Vienna. July 15-19, 2020.

Obmann, Verena Carola; Christe, Andreas; Berzigotti, Annalisa; Heverhagen, Johannes; Ebner, Lukas; Gräni, Christoph; Huber, Adrian Thomas (July 2020). T1 relaxation times of the liver and spleen to predict significant liver fibrosis - is there an additional value of normalization to blood pool? (Unpublished). In: ECR 2020. Vienna. July 15-19, 2020.

Catucci, D; Obmann, Verena Carola; Berzigotti, Annalisa; Hrycyk, Joris; Kadji, W; Gräni, Christoph; Ebner, Lukas; Christe, Andreas; Huber, Adrian Thomas (July 2020). Mapping of the liver function - impact of MR field strength on T1 reduction rate (Unpublished). In: ECR 2020. Vienna. July 15-19, 2020.

Obmann, Verena Carola; Kreis, Roland; Sack, I; Berzigotti, Annalisa; Obmann, M; Heverhagen, Johannes; Christe, Andreas; Huber, Adrian Thomas (July 2020). Single - and multi-frequency MR elastography with gradient-recalled echo and spin-echo echo-planar acquisitions: Comparison of robustness and intersegmental liver stiffness variation (Unpublished). In: ECR 2020. Vienna. July 15-19, 2020.

Catucci, D; Obmann, Verena Carola; Berzigotti, Annalisa; Hrycyk, Joris; Kadji, W; Gräni, Christoph; Ebner, Lukas; Heverhagen, Johannes; Christe, Andreas; Huber, Adrian Thomas (22 May 2020). Mapping of the liver function - impact of MR field strength on T1 reduction rate (Unpublished). In: ESGAR 2020. Amsterdam, The Netherlands. May 19 - 22, 2020.

Fiechter, Stefanie; Geissbühler, Elio; Bähler, Alexandrine; Obmann, Verena Carola; Meierhans, Susan; Exadaktylos, Aris K.; Christe, Andreas; Thalmann, George N.; Roth, Beat (2020). Identification of ureteral stones at reduced radiation exposure: a pilot study comparing conventional versus digital low-dosage linear slot scanning (Lodox) radiography. World journal of urology, 38(4), pp. 1065-1071. Springer-Verlag 10.1007/s00345-019-02803-w

Laukamp, Kai Roman; Gupta, Amit; Große Hokamp, Nils; Obmann, Verena Carola; Graner, Frank Philipp; Ho, Vivian; Ros, Pablo; Ramaiya, Nikhil; Gilkeson, Robert (2020). Role of spectral-detector CT in reduction of artifacts from contrast media in axillary and subclavian veins: single institution study in 50 patients. Acta radiologica, 61(4), pp. 450-460. Sage 10.1177/0284185119868904

Hrycyk, J; Obmann, V; Marx, C; Kadji, W; Catucci, D; Berzigotti, A; Ebner, L; Christe, A; Huber, A (March 2020). “Liver vein to cava attenuation: a simple parameter to increase predictive value of caudate-right lobe ratio and liver segmental volume ratio to detect significant liver fibrosis on abdominal CT scans” (Unpublished). In: ECR 2020, Vienna.

Sieron, Dominik; Drakopoulos, Dionysios; Löbelenz, Laura I.; Schroeder, Christophe; Ebner, Lukas; Obmann, Verena C.; Huber, Adrian T.; Christe, Andreas (2020). Correlation between fat signal ratio on T1-weighted MRI in the lower vertebral bodies and age, comparing 1.5-T and 3-T scanners. Acta radiologica open, 9(1), pp. 1-9. Sage Publications Ltd. 10.1177/2058460120901517

Obmann, Verena (2020). Benign Bowel Disease in the Pelvis (Unpublished). In: ISMRM & SMRT. Virtual conference & exhibition. 08-14 August 2020.

Obmann, Verena (2020). How Do I Interpret Treatment Response? (Unpublished). In: ISMRM & SMRT. Virtual conference & exhibition. 08-14 August 2020.

2019

Obmann, Verena Carola; Berzigotti, Annalisa; Ebner, Lukas; Christe, Andreas; Huber, Adrian Thomas (5 December 2019). T1 relaxation times of the liver and spleen to predict significant liver fibrosis: Is there an addtitional value of normalization to blood pool? (Unpublished). In: RSNA Annual Meeting 2019, Chicago. Chicago.

Correa-Londoño, Martina; Obmann, Verena Carola; Trussardi, Nino; Piccini, D; Ith, Michael; von Tengg-Kobligk, Hendrik; Jung, Bernd (4 December 2019). Radial self-navigated native MRA in comparison to conventional Navigator-Gated contrast-enhanced MRA of the thoracic Aorta in an aortic patient collective (Unpublished). In: RSNA Annual Meeting 2019, Chicago.

Panda, Ananya; Obmann, Verena Carola; Lo, Wei-Ching; Margevicius, Seunghee; Jiang, Yun; Schluchter, Mark; Patel, Indravadan J; Nakamoto, Dean; Badve, Chaitra; Griswold, Mark A; Jaeger, Irina; Ponsky, Lee E; Gulani, Vikas (2019). MR Fingerprinting and ADC Mapping for Characterization of Lesions in the Transition Zone of the Prostate Gland. Radiology, 292(3), pp. 685-694. Radiological Society of North America RSNA 10.1148/radiol.2019181705

Obmann, Verena Carola; Marx, Christina Lynn; Berzigotti, Annalisa; Mertineit, Nando; Hrycyk, Joris; Gräni, Christoph; Ebner, Lukas; Ith, Michael; Heverhagen, Johannes; Christe, Andreas; Huber, Adrian Thomas (2019). Liver MRI susceptibility-weighted imaging (SWI) compared to T2* mapping in the presence of steatosis and fibrosis. European journal of radiology, 118, pp. 66-74. Elsevier 10.1016/j.ejrad.2019.07.001

Löbelenz, Laura I.; Ebner, Lukas; Obmann, Verena C.; Huber, Adrian T.; Christe, Andreas (2019). Kerley B lines in the lung apex - a distinct CT sign for pulmonary congestion. Swiss medical weekly, 149(w20119), w20119. EMH Media 10.4414/smw.2019.20119

Obmann, Verena Carola; Marx, Christina Lynn; Hrycyk, Joris; Ebner, Lukas; Ith, Michael; Gräni, Christoph; Berzigotti, Annalisa; Heverhagen, Johannes; Christe, Andreas; Huber, Adrian Thomas (June 2019). Liver MRI susceptibility-weighted imaging (SWI) and T2 mapping in the presence of steatosis and fibrosis (Unpublished). In: ESGAR. Rom. June 2019.

Marx, Christina; Obmann, Verena; Hrycyk, Joris; Ebner, Lukas; Berzigotti, Annalisa; Heverhagen, Johannes; Christe, Andreas; Huber, Adrian (June 2019). Liver vein to cava attenuation (LVCA) improves prediction of clinically significant fibrosis when combined with liver volumetry and caudate-right lobe ratio (crl-r) on portal venous CT scans. In: Swiss Congress of Radiology, SCR, SGR-SSR, St. Gallen.

Obmann, Verena Carola; Mertineit, Nando; Berzigotti, A; Marx, Christina Lynn; Ebner, Lukas; Ith, Michael; Heverhagen, Johannes; Christe, Andreas; Huber, Adrian Thomas (June 2019). Susceptibility-weighted Imaging (SWI) compared to T2 mapping in the presence of hepatic steatosis and fibrosis. In: Swiss Congress of Radiology, SCR, SGR-SSR, St. Gallen.

Obmann, Verena Carola; Seyfried, N; Panda, A; Lo, W.C; Jiang, Y; Wright, K; Sinh, P; Dave, M; Katz, J; Ropella-Panagis, K; Gulani, V (June 2019). Simultaneous T1 and T2 mapping for bowel wall Imaging in Crohn's Disease with MR fingerprinting (MRF) (Unpublished). In: ESGAR Annual Meeting, Rome.

Obmann, Verena Carola; Mertineit, Nando; Marx, Christina Lynn; Berzigotti, Annalisa; Ebner, Lukas; Heverhagen, Johannes; Christe, Andreas; Huber, Adrian Thomas (2019). Liver MR relaxometry at 3T - segmental normal T and T* values in patients without focal or diffuse liver disease and in patients with increased liver fat and elevated liver stiffness. Scientific Reports, 9(1), p. 8106. Nature Publishing Group 10.1038/s41598-019-44377-y

Obmann, Verena Carola; Seyfried, N; Lo, W; Panda, A; Jiang, Y; Wright, K; Sihn, P; Katz, J; Dave, M; Fu, P; Ropella-Panagis, K; Gulani, V (May 2019). Utility of simultaneous T1 and T2 mapping with MR Fingerprinting (MRF) for bowel wall Imaging in Crohns disease. In: ISMRM Annual Meeting, Montreal.

Obmann, Verena Carola; Boyacioglu, R; Panda, A; Jaeger, I; Ponsky, L; Griswold, M; Gulani, V (May 2019). T1 Imaging of transition zone prostate cancer: why quantitative maps but not T1 weighted images are helpful. In: ISMRM Annual Meeting, Montreal.

Obmann, Verena Carola (May 2019). Utility of quantitative exam with MR fingerprinting and diffusion mapping for characterization of cancer suspicious lesions in the transition zone of prostate. In: ISMRM Annual Meeting, Montreal.

Obmann, Verena Carola (May 2019). Evaluation of different colormaps for best visual assessment of quantitative magnetic resonance fingerprinting data. In: ISMRM Annual Meeting, Montreal.

Obmann, Verena Carola (May 2019). MR fingerprinting and diffusion mapping based neural network classifier for significant prostate cancer characterization in peripheral zone and transition zone. In: ISMRM Annual Meeting, Montreal.

Correa-Londoño, Martina; Obmann, Verena Carola; Trussardi, Nino; Piccini, D; Ith, Michael; von Tengg-Kobligk, Hendrik; Jung, Bernd (May 2019). Radial self-navigated non contrast-enhanced (CE-) MRA in comparison to conventional Navigator-Gated CE-MRA of the thoracic aorta in a vascular patient collective. In: ISMRM Annual Meeting, Montreal.

Obmann, Verena Carola; Marx, Christina Lynn; Ebner, Lukas; Ith, Michael; Heverhagen, Johannes; Christe, Andreas; Huber, Adrian Thomas (27 February 2019). Liver MRI susceptibility-weighted imaging (SWI) and T2* mapping in the presence of steatosis and fibrosis (Unpublished). In: ECR 2019. Vienna.

Obmann, Verena Carola; Yang, K; Seyfried, N; Stopchinski, M; Wright, K; Ghodosara, A; Panda, A; Chen, Y; Gulani, V (February 2019). High spatiotemporal Resolution free-breathing quantitative bowel perfusion imaging (Unpublished). In: ECR, 2019, Vienna.

Obmann, Verena Carola; Lo, W; Seyfried, N; Panda, A; Wright, K; Ropella-Panagis, K; Gulani, V (February 2019). Magnetic resonance fingerprinting (MRF) enables simultaneous T1 and T2 mapping of the bowel wall in patients with Crohns disease. In: ECR 2019, Vienna.

Seyfried, Nicole; Gulani, Vikas; Obmann, Verena Carola (2019). Deep cervical infantile hemangioma identified by time-resolved magnetic resonance angiography. Magnetom Flash, 73(2) Siemens Healthcare GmbH

2018

Große Hokamp, N; Obmann, Verena Carola; Kessner, R; Laukamp, K R; Persigehl, T; Haneder, S; Ramaiya, N (2018). Improved visualization of hypodense liver lesions in virtual monoenergetic images from spectral detector CT: Proof of concept in a 3D-printed phantom and evaluation in 74 patients. European journal of radiology, 109, pp. 114-123. Elsevier 10.1016/j.ejrad.2018.11.001

Rassouli, Negin; Obmann, Verena Carola; Sandhaus, Linda M; Herrmann, Karin A (2018). (18F)-FDG-PET/MRI of unicentric retroperitoneal Castleman disease in a pediatric patient. Clinical imaging, 50, pp. 175-180. Elsevier 10.1016/j.clinimag.2018.03.010

Obmann, Verena Carola; Chalian, Majid; Mansoori, Bahar; Sanchez, Edmund; Gulani, Vikas (2018). Advantages of time-resolved contrast-enhanced 4D MR angiography in splenic arterial steal syndrome. Clinical imaging, 49, pp. 169-173. Elsevier 10.1016/j.clinimag.2018.03.003

Sieron, Dominik A; Steib, Moritz; Suter, Dominik; Obmann, Verena Carola; Huber, Adrian Thomas; Ebner, Lukas; Inderbitzin, Daniel; Christe, Andreas (2018). Computed tomography imaging for the characterisation of drugs with radiation density measurements and HU spectroscopy. Swiss medical weekly, 148, w14585. EMH Schweizerischer Ärzteverlag 10.4414/smw.2018.14585

Obmann, Verena Carola; Mertineit, Nando; Berzigotti, Annalisa; Marx, Christina Lynn; Ebner, Lukas; Kreis, Roland; Vermathen, Peter; Heverhagen, Johannes; Christe, Andreas; Huber, Adrian Thomas (2018). CT predicts liver fibrosis: Prospective evaluation of morphology- and attenuation-based quantitative scores in routine portal venous abdominal scans. PLoS ONE, 13(7), e0199611. Public Library of Science 10.1371/journal.pone.0199611

2017

Obmann, Verena C.; Christe, Andreas; Ebner, Lukas; Szücs Farkas, Zsolt; Ott, Sebastian Robert; Yarram, Sai; Stranzinger, Enno (2017). Bone subtraction radiography in adult patients with cystic fibrosis. Acta radiologica, 58(8), pp. 929-936. Sage 10.1177/0284185116679456

Obmann, Verena Carola; Kim, Soung Yung; Heverhagen, Johannes; Maurer, Martin (June 2017). LIRADS classification system in liver imaging. (Unpublished). In: Swiss Congress of Radiology.

Obmann, Verena Carola; Mertineit, Nando; Heverhagen, Johannes; Christe, Andreas; Huber, Adrian Thomas (April 2017). Morphology based assessment of liver fibrosis using a new quantitative metric in abdominal CT. (Unpublished). In: International Liver Congress Amsterdam.

2016

Ebner, Lukas; Roos, Justus E; Christensen, Jared D; Dobrocky, Thomas; Leidolt, Lars; Brela, Barbara; Obmann, Verena Carola; Joy-Bendzmierowski, Sonya; Huber, Adrian Thomas; Christe, Andreas (2016). Maximum-Intensity-Projection and Computer-Aided-Detection Algorithms as Stand-Alone Reader Devices in Lung Cancer Screening Using Different Dose Levels and Reconstruction Kernels. American Journal of Roentgenology, 207(2), pp. 282-288. American Roentgen Ray Society 10.2214/AJR.15.15588

Flückiger, Miriam; Capiaghi, Debora; Dawson, Heather; Obmann, Verena Carola; Rusticeanu, Monica Alexandrina; Wohlfarth, Benny; Schnüriger, Beat; Candinas, Daniel (2016). Untere gastrointestinale Blutung als Erstmanifestation. Swiss Medical Forum, 16(24), pp. 520-522. EMH Swiss Medical Publishers

2015

Obmann, Verena Carola; Klink, T; Heverhagen, Johannes; Stork, A; Laqmani, A; Adam, G; Begemann, P G C (2015). Impact of Hybrid Iterative Reconstruction on Agatston Coronary Artery Calcium Scores in Comparison to Filtered Back Projection in Native Cardiac CT. RöFo. Fortschritte auf dem Gebiet der Röntgenstrahlen und der bildgebenden Verfahren, 187(5), pp. 372-379. Thieme 10.1055/s-0034-1398850

Burckhardt, Marie-Anne; Obmann, Verena Carola; Wolf, Rainer Walter; Janner, Marco; Flück, Christa E; Mullis, Primus-Eugen (2015). Ovarian and uterine development and hormonal feedback mechanism in a 46 XX patient with CYP19A1 deficiency under low dose estrogen replacement. Gynecological endocrinology, 31(5), pp. 349-354. Informa Healthcare 10.3109/09513590.2014.995619

2014

Klink, Thorsten; Obmann, Verena Carola; Heverhagen, Johannes; Stork, Alexander; Adam, Gerhard; Begemann, Philipp (2014). Reducing CT radiation dose with iterative reconstruction algorithms: the influence of scan and reconstruction parameters on image quality and CTDIvol. European journal of radiology, 83(9), pp. 1645-1654. Elsevier 10.1016/j.ejrad.2014.05.033

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