T C Lauenstein

Summary

Affiliation: University of Essen
Country: Germany

Publications

  1. ncbi request reprint Dark lumen MR-colonography: initial experience
    T C Lauenstein
    Zentralinstitut für Röntgendiagnostik Universitätsklinikum Essen
    Rofo 173:785-9. 2001
  2. ncbi request reprint MR imaging of apparent small-bowel perfusion for diagnosing mesenteric ischemia: feasibility study
    Thomas C Lauenstein
    Department of Diagnostic and Interventional Radiology, University Hospital Essen, Hufelandstrasse 55, D 45122 Essen, Germany
    Radiology 234:569-75. 2005
  3. ncbi request reprint Whole-body MR imaging: evaluation of patients for metastases
    Thomas C Lauenstein
    Departments of Diagnostic and Interventional Radiology and Obstetrics and Gynecology, University Hospital Essen, Hufelandstrasse 55, D 45122 Essen, Germany
    Radiology 233:139-48. 2004
  4. ncbi request reprint MR imaging of the large bowel
    Thomas C Lauenstein
    Department of Diagnostic and Interventional Radiology and Neuroradiology, University Hospital Essen, Hufelandstrasse 55, 45122 Essen, Germany
    Magn Reson Imaging Clin N Am 13:349-58, vii. 2005
  5. ncbi request reprint Virtual colonoscopy by MRI: state-of-the-art and future directions
    Thomas C Lauenstein
    Department of Radiology and Neuroradiology, University Hospital Essen, Hufelandstrasse 55, 45122 Essen, Germany
    Gastrointest Endosc Clin N Am 15:797-811. 2005
  6. ncbi request reprint Whole-body magnetic resonance imaging
    Thomas C Lauenstein
    Department of Diagnostic and Interventional Radiology and Neuroradiology, University Hospital, Essen, Germany
    Top Magn Reson Imaging 16:15-20. 2005
  7. ncbi request reprint Magnetic resonance colonography: comparison of contrast-enhanced three-dimensional vibe with two-dimensional FISP sequences: preliminary experience
    Thomas C Lauenstein
    Department of Diagnostic and Interventional Radiology, University Hospital Essen, Germany
    Invest Radiol 40:89-96. 2005
  8. ncbi request reprint [State of the art of MR colonoscopy]
    T C Lauenstein
    Institut für Diagnostische und Interventionelle Radiologie, Universitatsklinikum Essen
    Rofo 175:334-41. 2003
  9. ncbi request reprint Magnetic resonance colonography with fecal tagging: an innovative approach without bowel cleansing
    Thomas C Lauenstein
    Department of Diagnostic and Interventional Radiology, University Hospital Essen, Germany
    Top Magn Reson Imaging 13:435-44. 2002
  10. ncbi request reprint Optimization of oral contrast agents for MR imaging of the small bowel
    Thomas C Lauenstein
    Department of Diagnostic Radiology, University Hospital Essen, Hufelandstrasse 55, D 45122 Essen, Germany
    Radiology 228:279-83. 2003

Detail Information

Publications72

  1. ncbi request reprint Dark lumen MR-colonography: initial experience
    T C Lauenstein
    Zentralinstitut für Röntgendiagnostik Universitätsklinikum Essen
    Rofo 173:785-9. 2001
    ..The technique is based on a rectal enema with water in combination with the intravenous application of a paramagnetic contrast agent...
  2. ncbi request reprint MR imaging of apparent small-bowel perfusion for diagnosing mesenteric ischemia: feasibility study
    Thomas C Lauenstein
    Department of Diagnostic and Interventional Radiology, University Hospital Essen, Hufelandstrasse 55, D 45122 Essen, Germany
    Radiology 234:569-75. 2005
    ..MR imaging assessment of small-bowel perfusion is possible and seems feasible for differentiating individuals with from those without mesenteric ischemia...
  3. ncbi request reprint Whole-body MR imaging: evaluation of patients for metastases
    Thomas C Lauenstein
    Departments of Diagnostic and Interventional Radiology and Obstetrics and Gynecology, University Hospital Essen, Hufelandstrasse 55, D 45122 Essen, Germany
    Radiology 233:139-48. 2004
    ..To compare the results of whole-body magnetic resonance (MR) imaging with staging based on computed tomographic (CT), dedicated MR imaging, and nuclear scintigraphic results as standard of reference...
  4. ncbi request reprint MR imaging of the large bowel
    Thomas C Lauenstein
    Department of Diagnostic and Interventional Radiology and Neuroradiology, University Hospital Essen, Hufelandstrasse 55, 45122 Essen, Germany
    Magn Reson Imaging Clin N Am 13:349-58, vii. 2005
    ..This article describes the underlying techniques of MRC that concern data acquisition and image interpretation. Indications for MRC are discussed, and technical developments are explained...
  5. ncbi request reprint Virtual colonoscopy by MRI: state-of-the-art and future directions
    Thomas C Lauenstein
    Department of Radiology and Neuroradiology, University Hospital Essen, Hufelandstrasse 55, 45122 Essen, Germany
    Gastrointest Endosc Clin N Am 15:797-811. 2005
    ..This article describes the technical requirements for MR colonoscopy and the procedures of data acquisition and image interpretation. The advantages and drawbacks of MR colonoscopy also are outlined...
  6. ncbi request reprint Whole-body magnetic resonance imaging
    Thomas C Lauenstein
    Department of Diagnostic and Interventional Radiology and Neuroradiology, University Hospital, Essen, Germany
    Top Magn Reson Imaging 16:15-20. 2005
    ..Furthermore, advantages and limitations compared with whole-body imaging based on computed tomography are discussed...
  7. ncbi request reprint Magnetic resonance colonography: comparison of contrast-enhanced three-dimensional vibe with two-dimensional FISP sequences: preliminary experience
    Thomas C Lauenstein
    Department of Diagnostic and Interventional Radiology, University Hospital Essen, Germany
    Invest Radiol 40:89-96. 2005
    ..The purpose of this study was to compare a dark-lumen magnetic resonance colonography (MRC) approach with a True FISP-based bright-lumen technique concerning presence of artifacts and the detection rate of colorectal pathologies...
  8. ncbi request reprint [State of the art of MR colonoscopy]
    T C Lauenstein
    Institut für Diagnostische und Interventionelle Radiologie, Universitatsklinikum Essen
    Rofo 175:334-41. 2003
    ..This can be achieved by adding an agent to the food that tags the feces (fecal tagging). This article describes current techniques of MR colonoscopy as well as first results with fecal tagging...
  9. ncbi request reprint Magnetic resonance colonography with fecal tagging: an innovative approach without bowel cleansing
    Thomas C Lauenstein
    Department of Diagnostic and Interventional Radiology, University Hospital Essen, Germany
    Top Magn Reson Imaging 13:435-44. 2002
    ..This article describes different fecal tagging approaches and points out both advantages and limitations of these strategies...
  10. ncbi request reprint Optimization of oral contrast agents for MR imaging of the small bowel
    Thomas C Lauenstein
    Department of Diagnostic Radiology, University Hospital Essen, Hufelandstrasse 55, D 45122 Essen, Germany
    Radiology 228:279-83. 2003
    ..MR imaging of the small bowel with oral administration of water can be improved with addition of osmotic and nonosmotic substances that lead to decreased water resorption...
  11. ncbi request reprint Magnetic resonance colonography for colorectal cancer screening
    T C Lauenstein
    Department of Diagnostic Radiology, University Hospital Essen, Germany
    Semin Ultrasound CT MR 22:443-53. 2001
    ..This article will describe the techniques underlying MR colonography and early clinical experience with fecal tagging techniques...
  12. ncbi request reprint MR colonography with fecal tagging: do individual patient characteristics influence image quality?
    Sonja Kinner
    Department of Diagnostic and Interventional Radiology and Neuroradiology, University Hospital Essen, Hufelandstrasse 55, D 45122 Essen, Germany
    J Magn Reson Imaging 25:1007-12. 2007
    ..To evaluate if different patient characteristics influence performance of fecal tagging (a new MR colonography (MRC) technique to label stool to avoid bowel cleansing) and, consecutively, MR image quality...
  13. ncbi request reprint Three-dimensional volumetric interpolated breath-hold MR imaging for whole-body tumor staging in less than 15 minutes: a feasibility study
    Thomas C Lauenstein
    Department of Diagnostic Radiology, University Hospital Essen, Hufelandstr 55, D 45122 Essen, Germany
    AJR Am J Roentgenol 179:445-9. 2002
    ....
  14. ncbi request reprint Fecal tagging: MR colonography without colonic cleansing
    T C Lauenstein
    Department of Diagnostic Radiology, University Hospital Essen, Hufelandstrasse 55, D 45122 Essen, Germany
    Abdom Imaging 27:410-7. 2002
    ..Barium as the tagging agent is promising because it is inexpensive, commercially available, and characterized by an excellent safety profile...
  15. pmc Magnetic resonance colonography for the detection of inflammatory diseases of the large bowel: quantifying the inflammatory activity
    W M Ajaj
    Department of Diagnostic and Interventional Radiology, University Hospital Essen, Hufelandstr 55, Essen 45122, Germany
    Gut 54:257-63. 2005
    ..Endoscopically obtained histopathology specimens were used as the standard of reference...
  16. ncbi request reprint 0.5 M Gd chelate (Magnevist) versus 1.0 M Gd chelate (Gadovist): dose-independent effect on image quality of pelvic three-dimensional MR-angiography
    M Goyen
    Department of Diagnostic Radiology, University Hospital Essen, Germany
    J Magn Reson Imaging 14:602-7. 2001
    ..01). Although there was no statistically significant difference in the rating of image quality (P > 0.05), the Gadovist 1.0 exam led to better delineation of the arterial morphology, especially of small vessels...
  17. ncbi request reprint MR colonography vs. optical colonoscopy: comparison of patients' acceptance in a screening population
    Sonja Kinner
    Department of Diagnostic and Interventional Radiology and Neuroradiology, University Hospital Essen, Hufelandstrasse 55, 45122 Essen, Germany
    Eur Radiol 17:2286-93. 2007
    ..OC and MRC have comparable general acceptance levels in a screening population. Especially for patients declining endoscopy as a screening method MRC may evolve as an attractive alternative...
  18. doi request reprint Hip imaging of avascular necrosis at 7 Tesla compared with 3 Tesla
    J M Theysohn
    Erwin L Hahn Institute for Magnetic Resonance Imaging, University Duisburg Essen, Essen, Germany
    Skeletal Radiol 43:623-32. 2014
    ....
  19. doi request reprint Addition of diffusion-weighted imaging can improve diagnostic confidence in bowel MRI
    S Kinner
    Department of Diagnostic and Interventional Radiology and Neuroradiology, University Hospital Essen, Essen, Germany Electronic address
    Clin Radiol 69:372-7. 2014
    ..To evaluate whether the addition of diffusion-weighted imaging (DWI) in bowel abdominal magnetic resonance imaging (MRI) can improve diagnostic confidence...
  20. doi request reprint First-pass contrast-enhanced renal MRA at 7 Tesla: initial results
    L Umutlu
    Erwin L Hahn Institute for Magnetic Resonance Imaging, University Duisburg Essen, Arendahls Wiese 199, 45141 Essen, Germany
    Eur Radiol 23:1059-66. 2013
    ..The aim of this study was to assess the feasibility of first-pass contrast-enhanced renal MR angiography (MRA) at 7 T...
  21. pmc Virtual magnetic resonance colonography
    J F Debatin
    Department of Diagnostic and Interventional Radiology, University Hospital Essen, Essen, Germany
    Gut 52:iv17-22. 2003
    ..The review will describe the techniques underlying MR colonography and describe early clinical experience with fecal tagging techniques...
  22. pmc Dark lumen magnetic resonance colonography: comparison with conventional colonoscopy for the detection of colorectal pathology
    W Ajaj
    Department of Diagnostic and Interventional Radiology, University Hospital, Essen, Germany
    Gut 52:1738-43. 2003
    ....
  23. ncbi request reprint Interstitial MR lymphography with MS-325: characterization of normal and tumor-invaded lymph nodes in a rabbit model
    Christoph U Herborn
    Department of Diagnostic and Interventional Radiology OZ II, University Hospital Essen, Hufelandstr 55, 45122 Essen, Germany
    AJR Am J Roentgenol 179:1567-72. 2002
    ....
  24. doi request reprint Quantitative assessment of small bowel motility in patients with Crohn's disease using dynamic MRI
    M L Hahnemann
    Department of Diagnostic and Interventional Radiology and Neuroradiology, University Hospital Essen, Essen, Germany
    Neurogastroenterol Motil 27:841-8. 2015
    ..The aim of the study was to quantify motility in inflammatory bowel segments and to compare motility alterations with MR-based parameters for activity of inflammation in Crohn's disease (CD)...
  25. ncbi request reprint MR colonography
    Sonja Kinner
    Department of Radiology and Neuroradiology, University Hospital, Hufelandstrasse 55, 45122 Essen, Germany
    Radiol Clin North Am 45:377-87. 2007
    ..This article describes current techniques of MRC and gives an overview of its clinical outcome. Special focus is directed toward the evaluation of patients' acceptance of MRC...
  26. pmc Magnetic resonance colonography without bowel cleansing: a prospective cross sectional study in a screening population
    Christiane A Kuehle
    Department of Diagnostic and Interventional Radiology and Neuroradiology, University Hospital Essen, Hufelandstrasse 55, D 45122 Essen, Germany
    Gut 56:1079-85. 2007
    ..To evaluate the diagnostic accuracy of magnetic resonance colonography (MRC) without bowel cleansing in a screening population and compare the results to colonoscopy as a standard of reference...
  27. doi request reprint Bilateral hip imaging at 7 Tesla using a multi-channel transmit technology: initial results presenting anatomical detail in healthy volunteers and pathological changes in patients with avascular necrosis of the femoral head
    J M Theysohn
    Department of Diagnostic and Interventional Radiology and Neuroradiology, University Hospital Essen, Hufelandstrasse 55, 45122, Essen, Germany
    Skeletal Radiol 42:1555-63. 2013
    ..To evaluate 7-T MRI of both hips using a multi-channel transmit technology to compensate for inherent B1 inhomogeneities in volunteers and patients with avascular necrosis of the femoral head...
  28. pmc Real time high resolution magnetic resonance imaging for the assessment of gastric motility disorders
    W Ajaj
    Department for Diagnostic and Interventional Radiology, University Hospital Essen, Hufelandstrasse 55, D 45122 Essen, Germany
    Gut 53:1256-61. 2004
    ..The aim of this study was to evaluate whether patients with increased or decreased gastric motility can be differentiated from healthy volunteers by means of real time magnetic resonance imaging (MRI)...
  29. ncbi request reprint Oral contrast agents for small bowel distension in MRI: influence of the osmolarity for small bowel distention
    Waleed Ajaj
    Department of Diagnostic and Interventional Radiology, University Hospital Essen, Germany
    Eur Radiol 15:1400-6. 2005
    ..The side effect rate of both solutions was low. Based on these data, we recommend a quantity of 1000 ml of sorbitol-barium sulphate solution as an alternative for 1500-ml sorbitol-LBG solution for optimal bowel distension...
  30. doi request reprint Water-equivalent oral contrast agents in dual-modality PET/computed tomography scanning: does a little barium make the difference?
    Sonja Kinner
    Department of Diagnostic and Interventional Radiology, University Hospital Essen, Germany
    Nucl Med Commun 30:206-9. 2009
    ....
  31. ncbi request reprint Evaluation of steady state free precession imaging of the pancreas
    Christoph U Herborn
    Department of Radiology, Scott and White Clinic and Hospital, Temple, TX, USA
    Eur Radiol 15:1629-33. 2005
    ..94/0.91). The mean area under the ROC curve (Az) was 0.91. Owing to its potential to detect vascular infiltration and the rapid acquisition time, SSFP imaging should be supplemented as part of a standard MR protocol of the pancreas...
  32. ncbi request reprint Digital subtraction dark-lumen MR colonography: initial experience
    Waleed Ajaj
    Department of Diagnostic and Interventional Radiology and Neuroradiology, University Hospital Essen, Essen, Germany
    J Magn Reson Imaging 21:841-4. 2005
    ..To evaluate image subtraction for the detection of colonic pathologies in a dark-lumen MR colonography exam...
  33. ncbi request reprint Small bowel hydro-MR imaging for optimized ileocecal distension in Crohn's disease: should an additional rectal enema filling be performed?
    Waleed Ajaj
    Departmens of Diagnostic and Interventional Radiology, University Hospital Essen, Essen, Germany
    J Magn Reson Imaging 22:92-100. 2005
    ..To assess the impact of an additional rectal enema filling in small bowel hydro-MRI in patients with Crohn's disease...
  34. ncbi request reprint Magnetic resonance colonography without bowel cleansing using oral and rectal stool softeners (fecal cracking)--a feasibility study
    Waleed Ajaj
    Department of Diagnostic and Interventional Radiology and Neuroradiology, University Hospital of Essen, Hufelandstrasse 55, 45122, Essen, Germany
    Eur Radiol 15:2079-87. 2005
    ..Combination of lactulose and DS provided the lowest signal intensity of stool. Thus, feces could hardly be distinguished from dark rectal enema allowing for the assessment of the colonic wall...
  35. ncbi request reprint Hydro-MRI of the small bowel: effect of contrast volume, timing of contrast administration, and data acquisition on bowel distention
    Christiane A Kuehle
    Department of Diagnostic and Interventional Radiology and Neuroradiology, University Hospital Essen, Hufelandstrasse 55, D 45122 Essen, Germany
    AJR Am J Roentgenol 187:W375-85. 2006
    ..The purpose of this study was to assess oral contrast agents, volumes of the agents, and time points of data acquisition in regard to small-bowel distention and patient acceptance...
  36. ncbi request reprint Detection of atherosclerosis: systemic imaging for systemic disease with whole-body three-dimensional MR angiography--initial experience
    Mathias Goyen
    Department of Diagnostic and Interventional Radiology, University Hospital Essen, Hufelandstrasse 55, 45122 Essen, Germany
    Radiology 227:277-82. 2003
    ..Confirmatory studies performed in 11 patients in this study revealed no false-positive or false-negative findings at examination...
  37. ncbi request reprint Intraindividual comparison of gadopentetate dimeglumine, gadobenate dimeglumine, and gadobutrol for pelvic 3D magnetic resonance angiography
    Christoph U Herborn
    Department of Diagnostic and Interventional Radiology, University Hospital Essen, Germany
    Invest Radiol 38:27-33. 2003
    ..To compare the effect on image quality of a 1.0 mol/L gadolinium chelate with that of two 0.5 mol/L gadolinium compounds...
  38. ncbi request reprint MRI of the liver: can True FISP replace HASTE?
    Christoph U Herborn
    Department of Diagnostic and Interventional Radiology, University Hospital Essen, Hufelandstrasse 55, D 45122 Essen, Germany
    J Magn Reson Imaging 17:190-6. 2003
    ..fast breath-hold magnetic resonance (MR) imaging sequences, half-Fourier acquired single turbo spin-echo (HASTE) and true fast imaging with steady state precession (TrueFISP), for the detection and characterization of focal liver lesions..
  39. ncbi request reprint Assessment of normal, inflammatory, and tumor-bearing lymph nodes with contrast-enhanced interstitial magnetic resonance lymphography: preliminary results in rabbits
    Christoph U Herborn
    Department of Diagnostic and Interventional Radiology, University Hospital Essen, Germany
    J Magn Reson Imaging 18:328-35. 2003
    ..To assess different gadolinium (Gd)-based contrast agents for interstitial magnetic resonance (MR) lymphography in normal, inflammatory, and tumor-bearing lymph nodes in rabbits...
  40. ncbi request reprint Optimization of contrast dosage for gadobenate dimeglumine-enhanced high-resolution whole-body 3D magnetic resonance angiography
    Mathias Goyen
    Department of Diagnostic Radiology, University Hospital Essen, Essen, Germany
    Invest Radiol 37:263-8. 2002
    ..To determine the optimal dose of gadobenate dimeglumine for diagnostic high-resolution whole-body 3D-MR angiography...
  41. ncbi request reprint Oral contrast agents for small bowel MRI: comparison of different additives to optimize bowel distension
    Waleed Ajaj
    Department of Diagnostic and Interventional Radiology, University Hospital Essen, Hufelandstrasse 55, 45122 Essen, Germany
    Eur Radiol 14:458-64. 2004
    ..0 and 1.5%. Based on these data, we recommend a combination of LBG and 2% sorbitol use for optimal bowel distension and minimal side effects resulting in enhanced patient acceptance...
  42. ncbi request reprint MR colonography: how does air compare to water for colonic distention?
    Waleed Ajaj
    Department of Diagnostic and Interventional Radiology, University Hospital, Essen, Germany
    J Magn Reson Imaging 19:216-21. 2004
    ..To prove the feasibility of air-distended magnetic resonance colonography (MRC) and compare it with water-based distention...
  43. ncbi request reprint Dual-modality PET/CT scanning with negative oral contrast agent to avoid artifacts: introduction and evaluation
    Gerald Antoch
    Department of Diagnostic and Interventional Radiology, University Hospital Essen, Hufelandstrasse 55, D 45122 Essen, Germany
    Radiology 230:879-85. 2004
    ..Mannitol-LBG may, therefore, be used as a negative oral contrast agent at PET/CT scanning because it provides excellent bowel distention while avoiding contrast material-induced PET artifacts...
  44. ncbi request reprint MR-based full-body preventative cardiovascular and tumor imaging: technique and preliminary experience
    Mathias Goyen
    Department of Diagnostic and Interventional Radiology, University Hospital Essen, Hufelandstrasse 55, 45147 Essen, Germany
    Eur Radiol 14:783-91. 2004
    ..Further studies have to show that MR-based screening programs are cost-effective in terms of the life-years saved...
  45. ncbi request reprint MR colonography in patients with incomplete conventional colonoscopy
    Waleed Ajaj
    Department of Diagnostic and Interventional Radiology, University Hospital Essen, Hufelandstrasse 55, 45122 Essen, Germany
    Radiology 234:452-9. 2005
    ..To assess dark-lumen magnetic resonance (MR) colonography for the evaluation of colonic segments in patients in whom conventional colonoscopy could not be completed...
  46. ncbi request reprint Dose optimization of mannitol solution for small bowel distension in MRI
    Waleed Ajaj
    Department of Diagnostic and Interventional Radiology, University Hospital Essen, Essen, Germany
    J Magn Reson Imaging 20:648-53. 2004
    ..To optimize the dose of a hydro solution containing 2.5% mannitol and 0.2% locust bean gum (LBG) for small bowel MRI in terms of bowel distension and patient acceptance...
  47. ncbi request reprint Combined small and large bowel MR imaging in patients with Crohn's disease: a feasibility study
    Burcu Narin
    Department of Diagnostic and Interventional Radiology, University Hospital Essen, Hufelandstrasse 55, 45122, Essen, Germany
    Eur Radiol 14:1535-42. 2004
    ..Major advantages of the proposed MR concept are related to its non-invasive character as well as to the potential to visualize parts of the small bowel that cannot be reached by endoscopy...
  48. doi request reprint Diagnostic value of diffusion-weighted imaging (DWI) for the assessment of the small bowel in patients with inflammatory bowel disease
    M L Hahnemann
    Department of Diagnostic and Interventional Radiology and Neuroradiology, University Hospital Essen, Germany Department of Diagnostic and Interventional Neuroradiology, University Medical Center Hamburg Eppendorf, Germany Electronic address
    Clin Radiol . 2016
    ..To evaluate diffusion-weighted imaging (DWI) compared to standard magnetic resonance imaging (sMRI) in the assessment of inflammatory lesions of the small bowel...
  49. doi request reprint MRI of the small bowel: can sufficient bowel distension be achieved with small volumes of oral contrast?
    Sonja Kinner
    Department of Diagnostic and Interventional Radiology and Neuroradiology, University Hospital Essen, Essen, Germany
    Eur Radiol 18:2542-8. 2008
    ..These findings may help to further refine small bowel MRI techniques, but need to be confirmed in patients with small bowel disorders...
  50. ncbi request reprint Emerging techniques: whole-body screening and staging with MRI
    Thomas C Lauenstein
    Department of Diagnostic and Interventional Radiology and Neuroradiology, University Hospital, Essen, Germany
    J Magn Reson Imaging 24:489-98. 2006
    ..This article describes the rationale for using MRI to display the entire body, the techniques employed in whole-body MRI, possibilities and limitations, and summarizes first clinical results for screening and staging purposes...
  51. ncbi request reprint MR colonography with barium-based fecal tagging: initial clinical experience
    Thomas C Lauenstein
    Department of Diagnostic Radiology, University Hospital Essen, Hufelandstrasse 55, D 45122 Essen, Germany
    Radiology 223:248-54. 2002
    ..To assess a strategy for fecal tagging with barium sulfate as an inexpensive tagging agent in conjunction with magnetic resonance (MR) colonography in patients suspected of having colorectal lesions...
  52. doi request reprint Magnetic resonance imaging of the bowel: today and tomorrow
    S Kinner
    Department of Diagnostic and Interventional Radiology and Neuroradiology, University Hospital Essen, Germany
    Rofo 187:160-7. 2015
    ..This review is meant to give an overview of typical techniques, sequences and indications. Furthermore, newly evaluated promising techniques are presented, which have an impact on the advance of MR imaging of the small and large bowel...
  53. doi request reprint Hepatic volume changes after lobar selective internal radiation therapy (SIRT) of hepatocellular carcinoma
    J M Theysohn
    Department of Diagnostic and Interventional Radiology and Neuroradiology, University Hospital Essen, Essen, Germany Electronic address
    Clin Radiol 69:172-8. 2014
    ....
  54. doi request reprint New look at renal vasculature: 7 tesla nonenhanced T1-weighted FLASH imaging
    L Umutlu
    Erwin L Hahn Institute for Magnetic Resonance Imaging, University Duisburg Essen, Essen, Germany
    J Magn Reson Imaging 36:714-21. 2012
    ..To investigate the feasibility of 7 Tesla (T) nonenhanced high field MR imaging of the renal vasculature and to evaluate the diagnostic potential of various nonenhanced T1-weighted (T1w) sequences...
  55. ncbi request reprint Contrast-enhanced magnetic resonance imaging (MS-325) in a murine model of systemic lupus erythematosus
    Christoph U Herborn
    Department of Diagnostic and International Radiology, University Hospital Essen, Essen, Germany
    Invest Radiol 37:464-9. 2002
    ..To investigate whether inflammatory activity can be evaluated by MRI with an intravascular compound (MS-325) in Desoxyribonuclease I (Dnase1)-deficient mice, which show classical symptoms of systemic lupus erythematosus...
  56. ncbi request reprint Whole-body MRI for staging patients with head and neck squamous cell carcinoma
    Christoph U Herborn
    Department of Diagnostic and Interventional Radiology, University of Essen, Essen, Germany
    Acta Otolaryngol 125:1224-9. 2005
    ..This examination minimizes the logistical effort required compared to multimodality strategies. Its economic impact remains to be determined...
  57. ncbi request reprint Comprehensive time-resolved MRI of peripheral vascular malformations
    Christoph U Herborn
    Department of Diagnostic and Interventional Radiology, University Hospital Essen, Hufelandstr 55, Essen 45122, Germany
    AJR Am J Roentgenol 181:729-35. 2003
    ..Results were compared with findings from duplex sonography, venography, and intraarterial digital subtraction angiography...
  58. ncbi request reprint Whole-body MRI using a rolling table platform for the detection of bone metastases
    Thomas C Lauenstein
    Department of Diagnostic Radiology, University Hospital Essen, Hufelandstrasse 55, 45122 Essen, Germany
    Eur Radiol 12:2091-9. 2002
    ..The MRI screening for bone metastases correlated well with bone scintigraphy. Use of the rolling table platform permits rapid imaging based on three different contrast mechanisms of the entire skeletal system...
  59. doi request reprint Dynamic contrast-enhanced breast MRI at 7 Tesla utilizing a single-loop coil: a feasibility trial
    Lale Umutlu
    Department of Diagnostic and Interventional Radiology and Neuroradiology, University Hospital Essen, Germany
    Acad Radiol 17:1050-6. 2010
    ..The aim of this study was to assess the feasibility of dynamic contrast-enhanced ultra-high-field breast imaging at 7 Tesla...
  60. ncbi request reprint HASTE MRI versus chest radiography in the detection of pulmonary nodules: comparison with MDCT
    Florian M Vogt
    Department of Diagnostic and Interventional Radiology, University Hospital Essen, Hufelandstrasse 55, Essen 45122, Germany
    AJR Am J Roentgenol 183:71-8. 2004
    ..Lesions with diameters smaller than 5 mm were not evaluated. Additional lesion-by-lesion comparisons between MDCT and MRI findings were performed...
  61. ncbi request reprint Assessment of left ventricular parameters using 16-MDCT and new software for endocardial and epicardial border delineation
    Thomas Schlosser
    Department of Diagnostic and Interventional Radiology, University Hospital Essen, Hufelandstrasse 55, 45122 Essen, Germany
    AJR Am J Roentgenol 184:765-73. 2005
    ....
  62. ncbi request reprint Time-resolved three-dimensional MR imaging of gastric emptying modified by IV administration of erythromycin
    Thomas C Lauenstein
    Department of Diagnostic Radiology, University Hospital Essen, Hufelandstrasse 55, D 45122 Essen, Germany
    AJR Am J Roentgenol 180:1305-10. 2003
    ..The aim of our study was to assess the effect of IV erythromycin on gastric emptying and subsequent small-bowel filling using three-dimensional (3D) MR imaging in both healthy subjects and patients with functional dyspepsia...
  63. ncbi request reprint Gadolinium-enhanced MRI for tumor surveillance before liver transplantation: center-based experience
    Thomas C Lauenstein
    Department of Radiology, Emory University Hospital, Emory Clinic, Bldg A, Ste AT 627, 1365 Clifton Rd, Atlanta, GA 30322, USA
    AJR Am J Roentgenol 189:663-70. 2007
    ..The purpose of this study was to evaluate prospectively acquired institutional results to determine the accuracy of gadolinium-enhanced MRI in liver tumor surveillance before transplantation...
  64. ncbi request reprint MR colonography for the assessment of colonic anastomoses
    Waleed Ajaj
    Medical Center, University Hospital Hamburg Eppendorf, Hamburg, Germany
    J Magn Reson Imaging 24:101-7. 2006
    ..To assess colonic anastomoses in patients after surgical treatment by means of MR colonography (MRC) in comparison with conventional colonoscopy (CC)...
  65. ncbi request reprint MR colonography: current status
    Thomas C Lauenstein
    Department of Radiology, The Emory Clinic, 1365 Clifton Road, Building A, Suite AT 627, Atlanta, GA 30322, USA
    Eur Radiol 16:1519-26. 2006
    ..This review article describes indications, techniques and clinical outcome of current MRC approaches. Furthermore, the impact of fecal tagging concepts is discussed...
  66. ncbi request reprint Magnetic resonance imaging of experimental atherosclerotic plaque: comparison of two ultrasmall superparamagnetic particles of iron oxide
    Christoph U Herborn
    Medical Prevention Center Hamburg, University Medical Center Hamburg Eppendorf, Hamburg, Germany
    J Magn Reson Imaging 24:388-93. 2006
    ..To evaluate a new ultrasmall superparamagnetic particles of iron oxide (USPIO) compound, ferumoxytol, as a marker of macrophage activity in atherosclerotic plaques and to compare it to ferumoxtran-10...
  67. ncbi request reprint MR colonography without bowel purgation for the assessment of inflammatory bowel diseases: diagnostic accuracy and patient acceptance
    Jost Langhorst
    Department of Internal and Integrative Medicine, Kliniken Essen Mitte, Germany
    Inflamm Bowel Dis 13:1001-8. 2007
    ..In addition, patient acceptance was compared with conventional colonoscopy (CC)...
  68. doi request reprint Evaluation of optimized inversion-recovery fat-suppression techniques for T2-weighted abdominal MR imaging
    Thomas C Lauenstein
    Department of Radiology, Emory University Hospital, Atlanta, Georgia, USA
    J Magn Reson Imaging 27:1448-54. 2008
    ....
  69. ncbi request reprint MR colonography: 1.5T versus 3T
    Thomas C Lauenstein
    Department of Radiology, The Emory Clinic, 1365 Clifton Road, Bldg A, Suite AT 627, Atlanta, GA 30322, USA
    Magn Reson Imaging Clin N Am 15:395-402, vii. 2007
    ..MR colonography is a powerful noninvasive method to image colorectal masses and inflammatory bowel disease. This article describes current techniques of MR colonography and compares its implementation at 1.5T and 3T...
  70. ncbi request reprint Individual kidney blood flow measured with contrast-enhanced first-pass perfusion MR imaging
    Diego R Martin
    Department of Radiology, Emory University School of Medicine, Building A, AT 622, 1365 Clifton Rd NE, Atlanta, GA 30322, USA
    Radiology 246:241-8. 2008
    ..08 mL/sec (95% confidence interval: -3.73, 3.58) for left and right kidneys. This study demonstrates feasibility of the gadolinium chelate perfusion method for RBF measurement and discusses potential applications...
  71. ncbi request reprint Magnetic resonance imaging in bowel imaging
    Thomas C Lauenstein
    Top Magn Reson Imaging 13:377. 2002
  72. ncbi request reprint Nephrogenic systemic fibrosis: center case review
    Thomas C Lauenstein
    Department of Radiology, Emory University Hospital, Atlanta, Georgia 30322, USA
    J Magn Reson Imaging 26:1198-203. 2007
    ....