R Janka

Summary

Affiliation: University of Erlangen-Nuremberg
Country: Germany

Publications

  1. ncbi request reprint Magnetic resonance angiography of the peripheral vessels in patients with peripheral arterial occlusive disease: when is an additional conventional angiography required?
    R Janka
    Institute of Radiology, Friedrich Alexander University, Erlangen Nurnberg, Erlangen, Germany
    Cardiovasc Intervent Radiol 29:220-9. 2006
  2. ncbi request reprint Contrast-enhanced MR angiography of peripheral arteries including pedal vessels at 1.0 T: feasibility study with dedicated peripheral angiography coil
    Rolf Janka
    Institute of Diagnostic Radiology, Friedrich Alexander University Erlangen Nurnberg, Maximiliansplatz 1, D 91054 Erlangen, Germany
    Radiology 235:319-26. 2005
  3. ncbi request reprint Test bolus measurement: effects of the respiratory position on bolus arrival time and signal-intensity-time curve quality
    Rolf Janka
    Department of Radiology, University od Erlangen, Maximiliansplatz 1, Erlangen, Germany
    MAGMA 20:175-9. 2007
  4. ncbi request reprint [Fully automated floating table MR angiography of pelvic and leg arteries: initial clinical results]
    R Janka
    Institut für Diagnostische Radiologie, Friedrich Alexander Universitat Erlangen Nurnberg
    Rontgenpraxis 54:62-70. 2001
  5. ncbi request reprint Contrast enhanced MRA of peripheral arteries with the automatic "floating table"
    R Janka
    Department of Diagnostic Radiology, Friedrich Alexander University Erlangen Nurnberg, Germany
    Rontgenpraxis 52:15-8. 1999
  6. ncbi request reprint Fluoroscopically triggered contrast-enhanced 3D MR DSA and 3D time-of-flight turbo MRA of the carotid arteries: first clinical experiences in correlation with ultrasound, x-ray angiography, and endarterectomy findings
    F A Fellner
    Department of Diagnostic Radiology, Friedrich Alexander University Erlangen Nurnberg, Germany
    Magn Reson Imaging 18:575-85. 2000
  7. ncbi request reprint Gd-BOPTA: "the MRA contrast agent of choice"?
    F Fellner
    Department of Diagnostic Radiology, Friedrich Alexander University Erlangen Nurnberg, Germany
    Rontgenpraxis 52:51-8. 1999
  8. ncbi request reprint Computer-aided assessment of anomalies in the scoliotic spine in 3-D MRI images
    Florian Jäger
    Department of Computer Science, University of Erlangen, Germany
    Med Image Comput Comput Assist Interv 12:819-26. 2009
  9. ncbi request reprint Diffusion weighted imaging in breast MRI: comparison of two different pulse sequences
    Evelyn Wenkel
    Radiologic Institute, University of Erlangen, Germany, Maximiliansplatz 1, 91054 Erlangen, Germany
    Acad Radiol 14:1077-83. 2007
  10. ncbi request reprint Isolated corticosteroid myopathy of the gluteal muscles
    Astrid S Peters
    Department of Neurology, University of Erlangen Nuremberg Hospital, Erlangen, Germany
    J Neurosci Nurs 38:336-7. 2006

Detail Information

Publications23

  1. ncbi request reprint Magnetic resonance angiography of the peripheral vessels in patients with peripheral arterial occlusive disease: when is an additional conventional angiography required?
    R Janka
    Institute of Radiology, Friedrich Alexander University, Erlangen Nurnberg, Erlangen, Germany
    Cardiovasc Intervent Radiol 29:220-9. 2006
    ..The assessment of an MRA based on image quality and regarding therapeutic management of the patient might reduce the number of CAs for therapy planning in patients with PAOD...
  2. ncbi request reprint Contrast-enhanced MR angiography of peripheral arteries including pedal vessels at 1.0 T: feasibility study with dedicated peripheral angiography coil
    Rolf Janka
    Institute of Diagnostic Radiology, Friedrich Alexander University Erlangen Nurnberg, Maximiliansplatz 1, D 91054 Erlangen, Germany
    Radiology 235:319-26. 2005
    ..To prospectively determine feasibility of contrast material-enhanced magnetic resonance (MR) angiography of the peripheral arteries from distal aorta to pedal arteries with a 1.0-T system and a dedicated phased-array coil...
  3. ncbi request reprint Test bolus measurement: effects of the respiratory position on bolus arrival time and signal-intensity-time curve quality
    Rolf Janka
    Department of Radiology, University od Erlangen, Maximiliansplatz 1, Erlangen, Germany
    MAGMA 20:175-9. 2007
    ..The aim of our study is to determine if the respiratory position (free breathing, end expiration) influences bolus arrival time (BAT) or the quality of the SI-time curve in the test bolus measurement...
  4. ncbi request reprint [Fully automated floating table MR angiography of pelvic and leg arteries: initial clinical results]
    R Janka
    Institut für Diagnostische Radiologie, Friedrich Alexander Universitat Erlangen Nurnberg
    Rontgenpraxis 54:62-70. 2001
    ..Our preliminary results reveal the potential of this new technique to become a realistic, robust, and non-invasive alternative to i.a. DSA in the diagnosis of paod...
  5. ncbi request reprint Contrast enhanced MRA of peripheral arteries with the automatic "floating table"
    R Janka
    Department of Diagnostic Radiology, Friedrich Alexander University Erlangen Nurnberg, Germany
    Rontgenpraxis 52:15-8. 1999
    ..The value of this technique in comparison to DSA has to be determined in future studies...
  6. ncbi request reprint Fluoroscopically triggered contrast-enhanced 3D MR DSA and 3D time-of-flight turbo MRA of the carotid arteries: first clinical experiences in correlation with ultrasound, x-ray angiography, and endarterectomy findings
    F A Fellner
    Department of Diagnostic Radiology, Friedrich Alexander University Erlangen Nurnberg, Germany
    Magn Reson Imaging 18:575-85. 2000
    ..High resolution 3D TOF turbo MRA might be a helpful adjunct to increase the diagnostic reliability for the carotid bifurcation...
  7. ncbi request reprint Gd-BOPTA: "the MRA contrast agent of choice"?
    F Fellner
    Department of Diagnostic Radiology, Friedrich Alexander University Erlangen Nurnberg, Germany
    Rontgenpraxis 52:51-8. 1999
    ..These preliminary results demonstrate the potential of Gd-BOPTA to become a useful contrast agent for MRA. Its efficacy for this purpose has to be evaluated in future prospective studies...
  8. ncbi request reprint Computer-aided assessment of anomalies in the scoliotic spine in 3-D MRI images
    Florian Jäger
    Department of Computer Science, University of Erlangen, Germany
    Med Image Comput Comput Assist Interv 12:819-26. 2009
    ..In order to assess the quality of the segmentation we use the angle between automatically computed planes through the vertebra and planes estimated by medical experts. This results in a mean angle difference of less than six degrees...
  9. ncbi request reprint Diffusion weighted imaging in breast MRI: comparison of two different pulse sequences
    Evelyn Wenkel
    Radiologic Institute, University of Erlangen, Germany, Maximiliansplatz 1, 91054 Erlangen, Germany
    Acad Radiol 14:1077-83. 2007
    ..Comparison of two different diffusion weighted (DW) sequences in breast MRI regarding the differentiation between benign and malignant lesions...
  10. ncbi request reprint Isolated corticosteroid myopathy of the gluteal muscles
    Astrid S Peters
    Department of Neurology, University of Erlangen Nuremberg Hospital, Erlangen, Germany
    J Neurosci Nurs 38:336-7. 2006
    ..We report local corticosteroid myopathy in a patient who had been given corticosteroid injections because of chronic hip pain. In this case, the patient's myopathy in the left hip region had not improved after 6 months...
  11. ncbi request reprint [Diagnostic imaging with a 64-slice computed tomography scanner--the first year in clinical routine]
    Katharina Anders
    Universitatsklinikum Erlangen, Institut für Diagnostische Radiologie, Germany
    Rontgenpraxis 55:229-33. 2005
    ....
  12. ncbi request reprint Multiplanar functional imaging of the larynx and hypopharynx with multislice spiral CT
    Michael M Lell
    Institute of Diagnostic Radiology, University Erlangen Nuremberg, Maximiliansplatz 1, 91054 Erlangen, Germany
    Eur Radiol 14:2198-205. 2004
    ..92, 1.0 and 0.93 for QB.ax, 0.94, 0.8 and 0.92 for EP.ax and 0.85, 1.0 and 0.87 for VM.ax, respectively. Examination during QB should be the standard procedure; additional scanning with EP improved tumor assessment...
  13. ncbi request reprint Percutaneous US-guided radiofrequency ablation with perfused needle applicators: improved survival with the VX2 tumor model in rabbits
    Johannes Hansler
    Department of Medicine I, Institute of Pathology, and Institute of Diagnostic Radiology, Friedrich Alexander University of Erlangen Nuremberg, Ulmenweg 18, 91054 Erlangen, Germany
    Radiology 230:169-74. 2004
    ..To evaluate survival, metastases, tumor necrosis, and prediction of local recurrence after percutaneous ultrasonographically (US) guided radiofrequency (RF) thermal ablation with electrodes perfused continuously with isotonic saline...
  14. ncbi request reprint High-resolution, contrast-enhanced magnetic resonance angiography with elliptical centric k-space ordering of supra-aortic arteries compared with selective X-ray angiography
    Ralf Wutke
    Institute of Diagnostic Radiology, Friedrich Alexander University Erlangen Nuremberg, Erlangen, Germany
    Stroke 33:1522-9. 2002
    ....
  15. ncbi request reprint Magnetic resonance angiography of the carotid arteries using three different techniques: accuracy compared with intraarterial x-ray angiography and endarterectomy specimens
    Claudia Fellner
    Institute of Diagnostic Radiology, Friedrich Alexander University of Erlangen Nurnberg, Erlangen, Germany
    J Magn Reson Imaging 21:424-31. 2005
    ..To compare three different magnetic resonance angiography (MRA) techniques with x-ray angiography and endarterectomy specimens...
  16. doi request reprint [Diffusion-weighted breast imaging. Clinical implementation procedure]
    E Wenkel
    Radiologisches Institut, Universitatsklinikum Erlangen, Maximiliansplatz 1, 91054, Erlangen, Deutschland
    Radiologe 54:224-32. 2014
    ..The benefit of the additional information from DW-MR mammography to characterize non-mass-like lesions and in the course of neoadjuvant chemotherapy remains unclear to date. ..
  17. doi request reprint Efficacy of contrast-enhanced US versus CT or MRI for the therapeutic control of percutaneous radiofrequency ablation in the case of hepatic malignancies
    M Frieser
    Department of Medicine I, NOZ, Erlangen, Germany
    Ultraschall Med 32:148-53. 2011
    ..Patients who had undergone RFA of malignant liver tumors were followed up with contrast-enhanced sonography (CEUS), computed tomography (CT) and/or magnetic resonance tomography (MRI), and the outcomes were compared...
  18. doi request reprint Cardiac MRI in Children and Adolescents Who Have Undergone Surgical Repair of Right-Sided Congenital Heart Disease: Automated Left Ventricular Volumes and Function Analysis and Effects of Different Manual Adjustments
    O Rompel
    Department of Radiology, University Hospital Erlangen, Germany
    Rofo 187:1099-107. 2015
    ....
  19. doi request reprint Functional ankle instability as a risk factor for osteoarthritis: using T2-mapping to analyze early cartilage degeneration in the ankle joint of young athletes
    T Golditz
    Department of Trauma Surgery, University of Erlangen Nuremberg, Erlangen, Germany
    Osteoarthritis Cartilage 22:1377-85. 2014
    ..The aim of this study was to investigate, using T2-mapping, the impact of functional instability in the ankle joint on the development of early cartilage damage...
  20. doi request reprint Direct MR galactography: feasibility study
    Siegfried A Schwab
    Department of Radiology, Universitat Erlangen Nurnberg, Maximiliansplatz 1, D 91054 Erlangen, Germany
    Radiology 249:54-61. 2008
    ..To compare T1- and T2-weighted direct magnetic resonance (MR) galactography, indirect MR galactography, and conventional galactography in women with pathologic nipple discharge...
  21. doi request reprint Peripheral intravenous power injection of iodinated contrast media: the impact of temperature on maximum injection pressures at different cannula sizes
    Siegfried A Schwab
    Department of Radiology, University Hospital Erlangen, Maximiliansplatz 1, D 91054 Erlangen, Germany
    Acad Radiol 16:1502-8. 2009
    ..The purpose of this study was to investigate the maximum injection pressures (MIPs) with different CM at different temperatures in the most common intravenous cannula (IVC) sizes...
  22. ncbi request reprint Contrast enhanced sonography of the gallbladder: a tool in the diagnosis of cholecystitis?
    Boris Adamietz
    Institute of Radiology, University of Erlangen, Maximiliansplatz 1, 91054 Erlangen, Germany
    Eur J Radiol 61:262-6. 2007
    ..To evaluate if contrast enhanced sonography (CES) can help to detect gallbladder inflammation and differentiate between acute and chronic cholecystitis...
  23. ncbi request reprint Arterial aneurysm in tuberous sclerosis
    Andreas M E Koch
    Paediatric Cardiology, Department of Paediatrics and Adolescent Medicine, University of Erlangen Nurnberg, Loschgestr 15, D 91054 Erlangen, Germany
    Eur Heart J 29:1282. 2008