Nina F Schwenzer

Summary

Country: Germany

Publications

  1. doi request reprint Whole-body MR/PET: applications in abdominal imaging
    N F Schwenzer
    Department of Diagnostic and Interventional Radiology, Eberhard Karls University Tubingen, Germany
    Abdom Imaging 37:20-8. 2012
  2. doi request reprint Simultaneous PET/MR imaging in a human brain PET/MR system in 50 patients--current state of image quality
    N F Schwenzer
    Department of Diagnostic and Interventional Radiology, Eberhard Karls University Tubingen, Tubingen, Germany
    Eur J Radiol 81:3472-8. 2012
  3. doi request reprint Quantitative analysis of adipose tissue in single transverse slices for estimation of volumes of relevant fat tissue compartments: a study in a large cohort of subjects at risk for type 2 diabetes by MRI with comparison to anthropometric data
    Nina F Schwenzer
    Section on Experimental Radiology, Department of Diagnostic and Interventional Radiology, Eberhard Karls University, Tubingen, Germany
    Invest Radiol 45:788-94. 2010
  4. doi request reprint Aging effects on human calf muscle properties assessed by MRI at 3 Tesla
    Nina F Schwenzer
    Department of Diagnostic and Interventional Radiology, Eberhard Karls University, Tubingen, Germany
    J Magn Reson Imaging 29:1346-54. 2009
  5. doi request reprint Diffusion tensor imaging of the human calf muscle: distinct changes in fractional anisotropy and mean diffusion due to passive muscle shortening and stretching
    Nina F Schwenzer
    Section on Experimental Radiology, Department of Diagnostic and Interventional Radiology, University Hospital of Tubingen, 72076 Tubingen, Germany
    NMR Biomed 22:1047-53. 2009
  6. doi request reprint T2* relaxometry in liver, pancreas, and spleen in a healthy cohort of one hundred twenty-nine subjects-correlation with age, gender, and serum ferritin
    Nina F Schwenzer
    Section on Experimental Radiology, Department of Diagnostic and Interventional Radiology, Eberhard Karls University, Tubingen, Germany
    Invest Radiol 43:854-60. 2008
  7. doi request reprint Quantification of pancreatic lipomatosis and liver steatosis by MRI: comparison of in/opposed-phase and spectral-spatial excitation techniques
    Nina F Schwenzer
    Section on Experimental Radiology, Department of Diagnostic Radiology, Eberhard Karls University, Tubingen, Germany
    Invest Radiol 43:330-7. 2008
  8. doi request reprint The role of dynamic contrast-enhanced MRI in the differential diagnosis of psoriatic and rheumatoid arthritis
    Nina F Schwenzer
    Department of Diagnostic and Interventional Radiology, University Hospital of Tubingen, Hoppe Seyler Strasse 3, 72076 Tubingen, Germany
    AJR Am J Roentgenol 194:715-20. 2010
  9. ncbi request reprint MR measurement of blood flow in the parotid gland without contrast medium: a functional study before and after gustatory stimulation
    Nina F Schwenzer
    Section on Experimental Radiology, Eberhard Karls University, Tubingen, Germany
    NMR Biomed 21:598-605. 2008
  10. ncbi request reprint Do static or time-varying magnetic fields in magnetic resonance imaging (3.0 T) alter protein-gene expression?-A study on human embryonic lung fibroblasts
    Nina F Schwenzer
    Department of Diagnostic Radiology, Eberhard Karls University, Tubingen, Germany
    J Magn Reson Imaging 26:1210-5. 2007

Detail Information

Publications37

  1. doi request reprint Whole-body MR/PET: applications in abdominal imaging
    N F Schwenzer
    Department of Diagnostic and Interventional Radiology, Eberhard Karls University Tubingen, Germany
    Abdom Imaging 37:20-8. 2012
    ..In this work-in-progress review article, a technical summary including the method-inherent challenges are given. Furthermore, possible clinical applications and research interests are addressed...
  2. doi request reprint Simultaneous PET/MR imaging in a human brain PET/MR system in 50 patients--current state of image quality
    N F Schwenzer
    Department of Diagnostic and Interventional Radiology, Eberhard Karls University Tubingen, Tubingen, Germany
    Eur J Radiol 81:3472-8. 2012
    ..The present work illustrates the current state of image quality and diagnostic accuracy in a new hybrid BrainPET/MR...
  3. doi request reprint Quantitative analysis of adipose tissue in single transverse slices for estimation of volumes of relevant fat tissue compartments: a study in a large cohort of subjects at risk for type 2 diabetes by MRI with comparison to anthropometric data
    Nina F Schwenzer
    Section on Experimental Radiology, Department of Diagnostic and Interventional Radiology, Eberhard Karls University, Tubingen, Germany
    Invest Radiol 45:788-94. 2010
    ..In addition, validity of easily accessible anthropometric indices (waist-to-hip-ratio [WHR] and body mass index [BMI]) for prediction of volumes of those adipose tissue compartments were validated and compared...
  4. doi request reprint Aging effects on human calf muscle properties assessed by MRI at 3 Tesla
    Nina F Schwenzer
    Department of Diagnostic and Interventional Radiology, Eberhard Karls University, Tubingen, Germany
    J Magn Reson Imaging 29:1346-54. 2009
    ..To determine age-related changes in MR properties as T2 and T2* relaxation times, fat content, and magnetization transfer in the human calf, and comparison of these effects in different muscle groups...
  5. doi request reprint Diffusion tensor imaging of the human calf muscle: distinct changes in fractional anisotropy and mean diffusion due to passive muscle shortening and stretching
    Nina F Schwenzer
    Section on Experimental Radiology, Department of Diagnostic and Interventional Radiology, University Hospital of Tubingen, 72076 Tubingen, Germany
    NMR Biomed 22:1047-53. 2009
    ..In contrast, no change in lambda(1) could be found. This work reveals significant changes in diffusional characteristics induced by passive muscle shortening and stretching...
  6. doi request reprint T2* relaxometry in liver, pancreas, and spleen in a healthy cohort of one hundred twenty-nine subjects-correlation with age, gender, and serum ferritin
    Nina F Schwenzer
    Section on Experimental Radiology, Department of Diagnostic and Interventional Radiology, Eberhard Karls University, Tubingen, Germany
    Invest Radiol 43:854-60. 2008
    ..To assess T2* values of liver, pancreas, and spleen in a healthy cohort and to compare the gained values with serum ferritin levels and anthropometric data. In addition, the relationship of T2* between the 3 organs was investigated...
  7. doi request reprint Quantification of pancreatic lipomatosis and liver steatosis by MRI: comparison of in/opposed-phase and spectral-spatial excitation techniques
    Nina F Schwenzer
    Section on Experimental Radiology, Department of Diagnostic Radiology, Eberhard Karls University, Tubingen, Germany
    Invest Radiol 43:330-7. 2008
    ..Results of both approaches were compared, and influences of T1- and T2*-related corrections were assessed. The possibility of a correlation between pancreatic lipomatosis and liver steatosis was investigated...
  8. doi request reprint The role of dynamic contrast-enhanced MRI in the differential diagnosis of psoriatic and rheumatoid arthritis
    Nina F Schwenzer
    Department of Diagnostic and Interventional Radiology, University Hospital of Tubingen, Hoppe Seyler Strasse 3, 72076 Tubingen, Germany
    AJR Am J Roentgenol 194:715-20. 2010
    ..The purpose of this study was to investigate the role of dynamic contrast-enhanced MRI in the differential diagnosis of psoriatic and rheumatoid arthritis in the hand and wrist...
  9. ncbi request reprint MR measurement of blood flow in the parotid gland without contrast medium: a functional study before and after gustatory stimulation
    Nina F Schwenzer
    Section on Experimental Radiology, Eberhard Karls University, Tubingen, Germany
    NMR Biomed 21:598-605. 2008
    ..To investigate the feasibility of blood flow imaging in the parotid gland using the arterial spin labeling (ASL) technique for assessment of functional changes in the parotid gland after gustatory stimulation...
  10. ncbi request reprint Do static or time-varying magnetic fields in magnetic resonance imaging (3.0 T) alter protein-gene expression?-A study on human embryonic lung fibroblasts
    Nina F Schwenzer
    Department of Diagnostic Radiology, Eberhard Karls University, Tubingen, Germany
    J Magn Reson Imaging 26:1210-5. 2007
    ..To evaluate the influence of magnetic resonance imaging (MRI) on gene expression in embryonic human lung fibroblasts (Hel 299)...
  11. ncbi request reprint Detection of DNA double-strand breaks using gammaH2AX after MRI exposure at 3 Tesla: an in vitro study
    Nina F Schwenzer
    Department of Diagnostic Radiology, Eberhard Karls University, Tubingen, Germany
    J Magn Reson Imaging 26:1308-14. 2007
    ..To evaluate the effects of the static magnetic field and typical imaging sequences of a high-field magnetic resonance scanner (3 Tesla) on the induction of double-strand breaks (DSBs) in two different human cell lines...
  12. ncbi request reprint In vitro evaluation of magnetic resonance imaging at 3.0 tesla on clonogenic ability, proliferation, and cell cycle in human embryonic lung fibroblasts
    Nina F Schwenzer
    Department of Diagnostic Radiology, Eberhard Karls University, Tubingen, Germany
    Invest Radiol 42:212-7. 2007
    ..We investigated the influence of magnetic resonance (MR) at 3.0 T on clonogenic ability, proliferation, and cell cycle in an embryonic human cell line...
  13. doi request reprint Insulin sensitivity and liver fat: role of iron load
    Michael Haap
    Department of Internal Medicine, Division of Endocrinology, Diabetology, Angiology, Nephrology, and Clinical Chemistry, Eberhard Karls University Tubingen, D 72076 Tubingen, Germany
    J Clin Endocrinol Metab 96:E958-61. 2011
    ..However, a considerable individual variability between LF and insulin sensitivity (IS) is observed, and at equal levels of LF, insulin-resistant as well as insulin-sensitive individuals are found...
  14. doi request reprint Follow-up whole-body assessment of adipose tissue compartments during a lifestyle intervention in a large cohort at increased risk for type 2 diabetes
    Jürgen Machann
    Section on Experimental Radiology, Department of Diagnostic and Interventional Radiology, University Hospital Tubingen, Hoppe Seyler Str 3, 72076 Tubingen, Germany
    Radiology 257:353-63. 2010
    ....
  15. pmc Liver fat content determined by magnetic resonance imaging and spectroscopy
    Fabian Springer
    Section on Experimental Radiology, Department of Diagnostic and Interventional Radiology, University Hospital Tubingen, Hoppe Seyler Str 3, 72076 Tubingen, Germany
    World J Gastroenterol 16:1560-6. 2010
    ..In this review, the most common, non-invasive MRS/MRI techniques for assessment of intrahepatic lipid content are described with their inherent advantages and limitations...
  16. doi request reprint Diagnostic performance of contrast-enhanced computed tomography in the immediate assessment of radiofrequency ablation success in colorectal liver metastases
    Christina Schraml
    Department of Diagnostic and Interventional Radiology, University Hospital of Tuebingen, Hoppe Seyler Str 3, Tuebingen, 72076, Germany
    Abdom Imaging 33:643-51. 2008
    ..To determine the accuracy of contrast-enhanced multislice computed tomography (CT) in the assessment of treatment success immediately after CT-guided radiofrequency (RF) ablation...
  17. doi request reprint Non-invasive pulmonary perfusion assessment in young patients with cystic fibrosis using an arterial spin labeling MR technique at 1.5 T
    Christina Schraml
    Department of Diagnostic and Interventional Radiology, University Hospital of Tuebingen, Hoppe Seyler Str 3, 72076 Tuebingen, Germany
    MAGMA 25:155-62. 2012
    ..To assess lung perfusion in young patients with cystic fibrosis (CF) using an arterial spin labeling (ASL) technique...
  18. doi request reprint Magnetization transfer contrast imaging in bovine and human cortical bone applying an ultrashort echo time sequence at 3 Tesla
    Fabian Springer
    Department of Diagnostic and Interventional Radiology, University Hospital Tubingen, Tubingen, Germany
    Magn Reson Med 61:1040-8. 2009
    ..21, respectively. In vivo data were obtained from three healthy subjects and showed MTR values of 0.30 +/- 0.08. In vivo studies into MT of cortical bone might have the potential to give new insights in musculoskeletal pathologies...
  19. doi request reprint Quantitative assessment of intrahepatic lipids using fat-selective imaging with spectral-spatial excitation and in-/opposed-phase gradient echo imaging techniques within a study population of extremely obese patients: feasibility on a short, wide-bore MR
    Fabian Springer
    Section on Experimental Radiology, University Hospital Tubingen, Germany
    Invest Radiol 45:484-90. 2010
    ..Furthermore, image quality was assessed for both techniques. Differences in regional fat distribution were assessed using parameter maps of voxel-wise calculated IHL...
  20. ncbi request reprint Systematic variation of off-resonance prepulses for clinical magnetization transfer contrast imaging at 0.2, 1.5, and 3.0 tesla
    Petros Martirosian
    Section on Experimental Radiology, University Hospital of Tubingen, Germany
    Invest Radiol 43:16-26. 2008
    ..2, 1.5, and 3.0 Tesla...
  21. doi request reprint Pancreatic fat is negatively associated with insulin secretion in individuals with impaired fasting glucose and/or impaired glucose tolerance: a nuclear magnetic resonance study
    Martin Heni
    Department of Internal Medicine, Division of Endocrinology, Diabetology, Angiology, Nephrology, and Clinical Chemistry, Eberhard Karls University Tubingen, Tubingen, Germany
    Diabetes Metab Res Rev 26:200-5. 2010
    ..The aim was to thoroughly quantify the fat content of pancreas sections (caput, corpus, and cauda) and to compare the impact of pancreatic, intrahepatic, and visceral fat on insulin secretion in humans...
  22. doi request reprint Respiratory motion correction in oncologic PET using T1-weighted MR imaging on a simultaneous whole-body PET/MR system
    Christian Würslin
    Diagnostic and Interventional Radiology, Department of Radiology, University of Tubingen, Tubingen, Germany
    J Nucl Med 54:464-71. 2013
    ..In this work, the applicability and performance of an MR-based method of respiratory motion correction for PET tumor imaging was evaluated in phantom and patient studies...
  23. doi request reprint Autoimmune thyroid disease: arterial spin-labeling perfusion MR imaging
    Christina Schraml
    Section on Experimental Radiology, Department of Diagnostic and Interventional Radiology, and Division of Endocrinology, Diabetes, Nephrology, Angiology, and Clinical Chemistry, University Hospital of Tubingen, Hoppe Seyler Str 3, 72076 Tubingen, Germany
    Radiology 253:435-42. 2009
    ....
  24. doi request reprint Correlation of simultaneously acquired diffusion-weighted imaging and 2-deoxy-[18F] fluoro-2-D-glucose positron emission tomography of pulmonary lesions in a dedicated whole-body magnetic resonance/positron emission tomography system
    Holger Schmidt
    Department of Radiology, Diagnostic and Interventional Radiology, Eberhard Karls University, Hoppe Seyler St 3, 72076 Tubingen, Germany
    Invest Radiol 48:247-55. 2013
    ....
  25. ncbi request reprint FAIR true-FISP perfusion imaging of the thyroid gland
    Christina Schraml
    Section on Experimental Radiology, Eberhard Karls University, Tuebingen, Germany
    J Magn Reson Imaging 26:66-71. 2007
    ..To evaluate the feasibility of quantitative perfusion MRI of the thyroid gland using an arterial spin labeling (ASL) method...
  26. doi request reprint Magnetic resonance perfusion imaging without contrast media
    Petros Martirosian
    University Hospital of Tubingen, Germany
    Eur J Nucl Med Mol Imaging 37:S52-64. 2010
    ..The potential of ASL for perfusion imaging was tested in several types of tissue...
  27. doi request reprint Non-invasive assessment and quantification of liver steatosis by ultrasound, computed tomography and magnetic resonance
    Nina F Schwenzer
    Section on Experimental Radiology, Department of Diagnostic and Interventional Radiology, Eberhard Karls University, 72076 Tubingen, Germany
    J Hepatol 51:433-45. 2009
    ..MR elastography, which can estimate the amount of fibrosis, also appears promising in the differentiation between simple steatosis and steatohepatitis...
  28. doi request reprint Perfusion imaging of the pancreas using an arterial spin labeling technique
    Christina Schraml
    Department of Diagnostic and Interventional Radiology, University Hospital of Tuebingen, Tuebingen, Germany
    J Magn Reson Imaging 28:1459-65. 2008
    ..To investigate the feasibility of perfusion imaging of the pancreas using an arterial spin labeling (ASL) technique...
  29. doi request reprint Positive contrast MR imaging of tendons, ligaments, and menisci by subtraction of signals from a double echo steady state sequence (Sub-DESS)
    Petros Martirosian
    Section on Experimental Radiology, University of Tubingen, Germany
    Magn Reson Med 71:294-301. 2014
    ..To improve the visualization of fibrous tissues as tendons, ligaments and fibrocartilage structures as menisci by positive contrast using a new 3D Double Echo Steady State (DESS) sequence...
  30. doi request reprint Three-dimensional ultrashort echo time imaging of solid polymers on a 3-Tesla whole-body MRI scanner
    Fabian Springer
    Section on Experimental Radiology, Department of Diagnostic and Interventional Radiology, University Hospital Tubingen, Tubingen Germany
    Invest Radiol 43:802-8. 2008
    ..Relaxation behavior and signal yield were evaluated on a 3-Tesla whole-body MR unit...
  31. doi request reprint Temporal course of perfusion in human masseter muscle during isometric contraction assessed by arterial spin labeling at 3T
    Christina Schraml
    Section on Experimental Radiology, Department of Diagnostic Radiology, University Hospital of Tubingen, Hoppe Seyler Str 3, 72076 Tubingen, Germany
    MAGMA 24:201-9. 2011
    ..Examination of blood perfusion in the masseter muscle in the course of repetitive isometric contraction by arterial spin-labeling (ASL) MR imaging and additional T2 relaxation time measurements during and after masseter muscle activation...
  32. doi request reprint Diffusion-weighted MRI of advanced hepatocellular carcinoma during sorafenib treatment: initial results
    Christina Schraml
    Department of Diagnostic and Interventional Radiology, University Hospital Tubingen, Hoppe Seyler Str 3, 72076 Tubingen, Germany
    AJR Am J Roentgenol 193:W301-7. 2009
    ..The objective of our study was to evaluate signal changes of advanced hepatocellular carcinoma in diffusion-weighted MRI in the early-response monitoring of oral therapy with the multikinase inhibitor sorafenib...
  33. doi request reprint Assessment of synovitis in erosive osteoarthritis of the hand using DCE-MRI and comparison with that in its major mimic, the psoriatic arthritis
    Christina Schraml
    Department of Diagnostic and Interventional Radiology, University Hospital Tuebingen, Hoppe Seyler Str 3, 72076 Tuebingen, Germany
    Acad Radiol 18:804-9. 2011
    ....
  34. doi request reprint Navigator respiratory-triggered diffusion-weighted imaging in the follow-up after hepatic radiofrequency ablation-initial results
    Christina Schraml
    Section on Experimental Radiology, University Hospital of Tuebingen, Tuebingen, Germany
    J Magn Reson Imaging 29:1308-16. 2009
    ....
  35. ncbi request reprint MRI-compatible incubation chamber for cell culture experiments
    Nina F Schwenzer
    Division of Diagnostic Radiology, Department of Radiology, Klinikum der Eberhard Karls Universität Tübingen, Tubingen, Germany
    J Magn Reson Imaging 23:70-6. 2006
    ..To develop an incubation chamber that is compatible with MRI, while avoiding sources of error due to the experimental setup...
  36. ncbi request reprint On the quantification accuracy, homogeneity, and stability of simultaneous positron emission tomography/magnetic resonance imaging systems
    Holger Schmidt
    From the Diagnostic and Interventional Radiology, Department of Radiology, Laboratory for Preclinical Imaging and Imaging Technology of the Werner Siemens Foundation, Department of Preclinical Imaging and Radiopharmacy, University of Tübingen Department of Empirical Inference, Max Planck Institute for Intelligent Systems and Nuclear Medicine, Department of Radiology, University of Tubingen, Tubingen, Germany
    Invest Radiol 49:373-81. 2014
    ..In addition, we investigated the long-term stability of PET and quality of functional MRI measurements of a clinical whole-body PET/MRI scanner...
  37. doi request reprint MR/PET: a new challenge in hybrid imaging
    Matthias K Werner
    Department of Radiology, Diagnostic and Interventional Radiology, Eberhard Karls University Tubingen, Hoppe Seyler St 3, 72076 Tubingen, Germany
    AJR Am J Roentgenol 199:272-7. 2012
    ..We will address some of the challenges that had to be met before MR/PET could become clinically available as well as further scientific work that has to be done to increase the potential benefit of this emerging hybrid modality...