J Kemper

Summary

Affiliation: University of Hamburg
Country: Germany

Publications

  1. ncbi request reprint MR elastography of the prostate: initial in-vivo application
    J Kemper
    Department of Diagnostic und Interventional Radiology, University Hospital Hamburg Eppendorf, Hamburg, Germany
    Rofo 176:1094-9. 2004
  2. ncbi request reprint [Multislice CT urography (MSCTU): evaluation of a modified scan protocol for optimized opacification of the collecting system]
    J Kemper
    Klinik und Poliklinik für Diagnostische und Interventionelle Radiologie, Universitatsklinikum Hamburg Eppendorf
    Rofo 178:531-7. 2006
  3. ncbi request reprint Multidetector CT urography: experimental analysis of radiation dose reduction in an animal model
    Joern Kemper
    Clinic of Diagnostic and Interventional Radiology, University Medical Center Hamburg Eppendorf, Martinistrasse 52, 20246 Hamburg, Germany
    Eur Radiol 17:2318-24. 2007
  4. ncbi request reprint [Modern diagnostic assessment of the upper urinary tract using multislice CT urography]
    J Kemper
    Klinik und Poliklinik für Diagnostische und Interventionelle Radiologie, Universitatsklinikum Hamburg Eppendorf, Hamburg
    Rofo 178:1086-94. 2006
  5. ncbi request reprint Improved visualization of the urinary tract in multidetector CT urography (MDCTU): analysis of individual acquisition delay and opacification using furosemide and low-dose test images
    Joern Kemper
    University Medical Center Hamburg Eppendorf, Clinic of Diagnostic and Interventional Radiology, Hamburg, Germany
    J Comput Assist Tomogr 30:751-7. 2006
  6. ncbi request reprint Orthodontic springs and auxiliary appliances: assessment of magnetic field interactions associated with 1.5 T and 3 T magnetic resonance systems
    J Kemper
    Clinic of Diagnostic and Interventional Radiology, University Medical Center of Hamburg Eppendorf, Martinistrasse 52, 20246 Hamburg, Germany
    Eur Radiol 17:533-40. 2007
  7. ncbi request reprint Multislice computed tomography-urography: intraindividual comparison of different preparation techniques for optimized depiction of the upper urinary tract in an animal model
    Joern Kemper
    Department of Diagnostic and Interventional Radiology, University Hospital Hamburg Eppendorf, Hamburg, Germany
    Invest Radiol 40:126-33. 2005
  8. ncbi request reprint [Multislice CT urography Aspects for technical management and clinical application]
    J Kemper
    Radiologisches Zentrum, Klinik für Diagnostische und Interventionelle Radiologie, Universitatsklinikum Hamburg Eppendorf
    Radiologe 45:905-14. 2005
  9. ncbi request reprint [Orthodontic brackets in high field MR imaging: experimental evaluation of magnetic field interactions at 3.0 Tesla]
    J Kemper
    Klinik und Poliklinik für Diagnostische und Interventionelle Radiologie, Universitätsklinikum Eppendorf, Hamburg
    Rofo 177:1691-8. 2005
  10. doi request reprint Intraindividual comparison of image quality in MR urography at 1.5 and 3 tesla in an animal model
    M Regier
    Klinik und Poliklinik für Diagnostische und Interventionelle Radiologie, Universitatsklinikum Hamburg Eppendorf
    Rofo 180:915-21. 2008

Detail Information

Publications19

  1. ncbi request reprint MR elastography of the prostate: initial in-vivo application
    J Kemper
    Department of Diagnostic und Interventional Radiology, University Hospital Hamburg Eppendorf, Hamburg, Germany
    Rofo 176:1094-9. 2004
    ..To analyze the initial assessment of the technical feasibility of in-vivo MR elastography (MRE) of the prostate gland in healthy volunteers...
  2. ncbi request reprint [Multislice CT urography (MSCTU): evaluation of a modified scan protocol for optimized opacification of the collecting system]
    J Kemper
    Klinik und Poliklinik für Diagnostische und Interventionelle Radiologie, Universitatsklinikum Hamburg Eppendorf
    Rofo 178:531-7. 2006
    ..To retrospectively quantify opacification of the urinary tract using a MSCTU protocol based on furosemide and individual adaptation of urographic acquisition delay...
  3. ncbi request reprint Multidetector CT urography: experimental analysis of radiation dose reduction in an animal model
    Joern Kemper
    Clinic of Diagnostic and Interventional Radiology, University Medical Center Hamburg Eppendorf, Martinistrasse 52, 20246 Hamburg, Germany
    Eur Radiol 17:2318-24. 2007
    ..mAs at 120 kV (CTDI(vol) = 5.3 mGy) proved to be feasible, thereby offering an advantageous dosage reduction. The study provides a basis for the development of reduced-dose MDCTU protocols in humans...
  4. ncbi request reprint [Modern diagnostic assessment of the upper urinary tract using multislice CT urography]
    J Kemper
    Klinik und Poliklinik für Diagnostische und Interventionelle Radiologie, Universitatsklinikum Hamburg Eppendorf, Hamburg
    Rofo 178:1086-94. 2006
    ..In this article, we outline the different concepts of technical processing for MSCTU and summarize the current role of MSCTU in the evaluation of the upper urinary tract...
  5. ncbi request reprint Improved visualization of the urinary tract in multidetector CT urography (MDCTU): analysis of individual acquisition delay and opacification using furosemide and low-dose test images
    Joern Kemper
    University Medical Center Hamburg Eppendorf, Clinic of Diagnostic and Interventional Radiology, Hamburg, Germany
    J Comput Assist Tomogr 30:751-7. 2006
    ..To retrospectively analyze the reliability of opacification and image quality of a modified MDCTU examination protocol using furosemide and an individual acquisition delay by low-dose test images..
  6. ncbi request reprint Orthodontic springs and auxiliary appliances: assessment of magnetic field interactions associated with 1.5 T and 3 T magnetic resonance systems
    J Kemper
    Clinic of Diagnostic and Interventional Radiology, University Medical Center of Hamburg Eppendorf, Martinistrasse 52, 20246 Hamburg, Germany
    Eur Radiol 17:533-40. 2007
    ..5(3) T, 13(15) were unsafe in magnetic resonance (MR), based on the ASTM criteria of F(z). The implications of these results for orthodontic patients undergoing MRI are discussed...
  7. ncbi request reprint Multislice computed tomography-urography: intraindividual comparison of different preparation techniques for optimized depiction of the upper urinary tract in an animal model
    Joern Kemper
    Department of Diagnostic and Interventional Radiology, University Hospital Hamburg Eppendorf, Hamburg, Germany
    Invest Radiol 40:126-33. 2005
    ..We sought to evaluate intraindividually 3 different preparation protocols for achieving improved opacification and anatomic depiction of the upper urinary tract in multisclice computed tomography urography (MSCTU) using a porcine model...
  8. ncbi request reprint [Multislice CT urography Aspects for technical management and clinical application]
    J Kemper
    Radiologisches Zentrum, Klinik für Diagnostische und Interventionelle Radiologie, Universitatsklinikum Hamburg Eppendorf
    Radiologe 45:905-14. 2005
    ..This article describes the technical aspects involved in the course of the MSCTU examination and identifies additional potential indications for clinical application...
  9. ncbi request reprint [Orthodontic brackets in high field MR imaging: experimental evaluation of magnetic field interactions at 3.0 Tesla]
    J Kemper
    Klinik und Poliklinik für Diagnostische und Interventionelle Radiologie, Universitätsklinikum Eppendorf, Hamburg
    Rofo 177:1691-8. 2005
    ..To evaluate static magnetic field interactions for 32 commonly used orthodontic brackets in a 3.0 T magnetic resonance imaging (MRI) system...
  10. doi request reprint Intraindividual comparison of image quality in MR urography at 1.5 and 3 tesla in an animal model
    M Regier
    Klinik und Poliklinik für Diagnostische und Interventionelle Radiologie, Universitatsklinikum Hamburg Eppendorf
    Rofo 180:915-21. 2008
    ..Experimental evaluation of image quality of the upper urinary tract in MR urography (MRU) at 1.5 and 3 Tesla in a porcine model...
  11. ncbi request reprint Detection of small pulmonary nodules in high-field MR at 3 T: evaluation of different pulse sequences using porcine lung explants
    M Regier
    Center for Diagnostic Imaging and Image Guided Therapy, Department of Diagnostic and Interventional Radiology, University Hospital of Hamburg, Eppendorf, Martinistrasse 52, 20246, Hamburg, Germany
    Eur Radiol 17:1341-51. 2007
    ..In lesions greater than 5 mm, the sensitivity of the 3D-GRE sequence approximated CT (>90%), while sensitivity and PPV with the HF-FSE sequence were slightly inferior...
  12. doi request reprint Assessment of left ventricular function parameters with a new three-dimensional shape model
    P M Bansmann
    Klinik und Poliklinik für Diagnostische und Interventionelle Radiologie, Universitatsklinikum Hamburg Eppendorf
    Rofo 181:161-8. 2009
    ..Comparison with the conventional Simpson's rule method in a volunteer and patient collective...
  13. ncbi request reprint [Evaluation of experimental cartilage lesions with ultrahigh-resolution multi-slice-CT in comparison to histology]
    A Stork
    Klinik für Diagnostische und Interventionelle Radiologie
    Rofo 176:746-51. 2004
    ..Histologic validation of ultrahigh-resolution multi-slice (MS)-CT for the evaluation of focal, experimental cartilage lesions with special regard to the subchondral bone. Testing of micro-CT ( micro CT) as alternative reference standard...
  14. ncbi request reprint [Evaluation of TSE- and T1-3D-GRE-sequences for focal cartilage lesions in vitro in comparison to ultrahigh resolution multi-slice CT]
    A Stork
    Abteilung für Diagnostische und Interventionelle Radiologie, Germany
    Rofo 174:1551-8. 2002
    ..Evaluation of TSE- and T 1 -3D-GRE-sequences for focal cartilage lesions in vitro in comparison to ultrahigh resolution multi-slice CT...
  15. ncbi request reprint Characterization of the peri-infarction zone using T2-weighted MRI and delayed-enhancement MRI in patients with acute myocardial infarction
    Alexander Stork
    Department of Diagnostic and Interventional Radiology, University Hospital Hamburg Eppendorf, Martinistrasse 52, 20246, Hamburg, Germany
    Eur Radiol 16:2350-7. 2006
    ..7 +/- 9.0% of the LV area, p< 0.05). The peri-infarction zone does not correlate with enzymatic parameters of infarct size and is substantially larger in small infarcts, indicating viable myocardium...
  16. ncbi request reprint MR evaluation of dural ectasia in Marfan syndrome: reassessment of the established criteria in children, adolescents, and young adults
    Christian R Habermann
    Department of Diagnostic and Interventional Radiology, University Hospital Hamburg Eppendorf, Martinistrasse 52, 20246 Hamburg, Germany
    Radiology 234:535-41. 2005
    ..To retrospectively evaluate known criteria for assessment of dural ectasia by using magnetic resonance (MR) imaging in children, adolescents, and young adults with and those without Marfan syndrome...
  17. ncbi request reprint Value of T2-weighted, first-pass and delayed enhancement, and cine CMR to differentiate between acute and chronic myocardial infarction
    Alexander Stork
    Department of Diagnostic and Interventional Radiology, University Hospital Hamburg Eppendorf, Martinistrasse 52, 20246, Hamburg, Germany
    Eur Radiol 17:610-7. 2007
    ..Accuracy of all other imaging findings was lower compared to that of edema (P<0.001). In the presence of infarction on DE-CMR, T2w-CMR reliably differentiates between AMI and CMI...
  18. ncbi request reprint [Comparison of an edema-sensitive HASTE-TIRM sequence with delayed contrast enhancement in acute myocardial infarcts]
    A Stork
    Klinik und Poliklinik für Diagnostische und Interventionelle Radiologie, Universitätsklinikum Eppendorff, Hamburg
    Rofo 175:194-8. 2003
    ..Comparison between a fluid-sensitive (HASTE-TIRM)-sequence and delayed contrast-enhancement in patients with acute myocardial infarct (AMI) in MRI...
  19. ncbi request reprint CT and MRI findings of multifocal hepatic steatosis mimicking malignancy
    J Kemper
    Department of Diagnostic and Interventional Radiology, University Hospital Hamburg Eppendorf UKE, Martinistrasse 52, D 20246 Hamburg, Germany
    Abdom Imaging 27:708-10. 2002
    ..The correct diagnosis was established with magnetic resonance imaging using T1-weighted gradient-echo and T2-weighted Turbo spin-echo sequences with spectral fat suppression. Multifocal hepatic steatosis was proven by biopsy...