Goetz Hannes Welsch

Summary

Affiliation: Harvard University
Country: USA

Publications

  1. ncbi Evaluation and comparison of cartilage repair tissue of the patella and medial femoral condyle by using morphological MRI and biochemical zonal T2 mapping
    Goetz H Welsch
    MR Center High field MR, Department of Radiology, Medical University of Vienna, Lazarettgasse 14, 1090 Vienna, Austria
    Eur Radiol 19:1253-62. 2009
  2. ncbi Magnetic resonance imaging of the knee at 3 and 7 Tesla: a comparison using dedicated multi-channel coils and optimised 2D and 3D protocols
    Goetz H Welsch
    MR Center, Department of Radiology, Medical University of Vienna, Lazarettgasse 14, 1090 Vienna, Austria
    Eur Radiol 22:1852-9. 2012
  3. ncbi Quantitative T2 mapping of the patella at 3.0T is sensitive to early cartilage degeneration, but also to loading of the knee
    S Apprich
    Department of Radiology, Medical University of Vienna, MR Center Highfield MR, Vienna, Austria
    Eur J Radiol 81:e438-43. 2012
  4. ncbi Morphological and biochemical T2 evaluation of cartilage repair tissue based on a hybrid double echo at steady state (DESS-T2d) approach
    Goetz H Welsch
    MR Center, Department of Radiology, Medical University of Vienna, Austria
    J Magn Reson Imaging 34:895-903. 2011
  5. ncbi Advanced morphological 3D magnetic resonance observation of cartilage repair tissue (MOCART) scoring using a new isotropic 3D proton-density, turbo spin echo sequence with variable flip angle distribution (PD-SPACE) compared to an isotropic 3D steady-stat
    Goetz H Welsch
    MR Center, Department of Radiology, Medical University of Vienna, Vienna, Austria
    J Magn Reson Imaging 33:180-8. 2011
  6. ncbi Biochemical (T2, T2* and magnetisation transfer ratio) MRI of knee cartilage: feasibility at ultra-high field (7T) compared with high field (3T) strength
    Goetz H Welsch
    MR Center, Department of Radiology, Medical University of Vienna, Lazarettgasse 14, Vienna, A 1090, Austria
    Eur Radiol 21:1136-43. 2011
  7. ncbi Evaluation of cartilage repair tissue after matrix-associated autologous chondrocyte transplantation using a hyaluronic-based or a collagen-based scaffold with morphological MOCART scoring and biochemical T2 mapping: preliminary results
    Goetz Hannes Welsch
    MR Center, Department of Radiology, Medical University of Vienna, Vienna, Austria
    Am J Sports Med 38:934-42. 2010
  8. ncbi Advanced morphological and biochemical magnetic resonance imaging of cartilage repair procedures in the knee joint at 3 Tesla
    Goetz H Welsch
    MR Center, Department of Radiology, Medical University of Vienna, Vienna, Austria
    Semin Musculoskelet Radiol 12:196-211. 2008
  9. ncbi In vivo biochemical 7.0 Tesla magnetic resonance: preliminary results of dGEMRIC, zonal T2, and T2* mapping of articular cartilage
    Goetz H Welsch
    MR Center, Department of Radiology, Medical University of Vienna, Vienna, Austria
    Invest Radiol 43:619-26. 2008
  10. ncbi CT-based preoperative analysis of scapula morphology and glenohumeral joint geometry
    Goetz Welsch
    Surgical Planning Laboratory, Brigham and Women s Hospital, Harvard Medical School, Boston, Massachusetts 02115, USA
    Comput Aided Surg 8:264-8. 2003

Detail Information

Publications18

  1. ncbi Evaluation and comparison of cartilage repair tissue of the patella and medial femoral condyle by using morphological MRI and biochemical zonal T2 mapping
    Goetz H Welsch
    MR Center High field MR, Department of Radiology, Medical University of Vienna, Lazarettgasse 14, 1090 Vienna, Austria
    Eur Radiol 19:1253-62. 2009
    ..The assessment of cartilage repair tissue of the patella and MFC afforded comparable morphological results, whereas biochemical T2 values showed differences, possibly due to dissimilar biomechanical loading conditions...
  2. ncbi Magnetic resonance imaging of the knee at 3 and 7 Tesla: a comparison using dedicated multi-channel coils and optimised 2D and 3D protocols
    Goetz H Welsch
    MR Center, Department of Radiology, Medical University of Vienna, Lazarettgasse 14, 1090 Vienna, Austria
    Eur Radiol 22:1852-9. 2012
    ..To show the feasibility and possible superiority of two 7 Tesla knee protocols ("7 T high resolution" and "7 T quick") using a new 28-channel knee coil compared to an optimised 3 T knee protocol using an 8-channel knee coil...
  3. ncbi Quantitative T2 mapping of the patella at 3.0T is sensitive to early cartilage degeneration, but also to loading of the knee
    S Apprich
    Department of Radiology, Medical University of Vienna, MR Center Highfield MR, Vienna, Austria
    Eur J Radiol 81:e438-43. 2012
    ..The aim of the study was to explore the sensitivity and robustness of T2 mapping in the detection and quantification of early degenerative cartilage changes at the patella...
  4. ncbi Morphological and biochemical T2 evaluation of cartilage repair tissue based on a hybrid double echo at steady state (DESS-T2d) approach
    Goetz H Welsch
    MR Center, Department of Radiology, Medical University of Vienna, Austria
    J Magn Reson Imaging 34:895-903. 2011
    ..To use a new approach which provides, based on the widely used three-dimensional double-echo steady-state (DESS) sequence, in addition to the morphological information, the generation of biochemical T2 maps in one hybrid sequence...
  5. ncbi Advanced morphological 3D magnetic resonance observation of cartilage repair tissue (MOCART) scoring using a new isotropic 3D proton-density, turbo spin echo sequence with variable flip angle distribution (PD-SPACE) compared to an isotropic 3D steady-stat
    Goetz H Welsch
    MR Center, Department of Radiology, Medical University of Vienna, Vienna, Austria
    J Magn Reson Imaging 33:180-8. 2011
    ....
  6. ncbi Biochemical (T2, T2* and magnetisation transfer ratio) MRI of knee cartilage: feasibility at ultra-high field (7T) compared with high field (3T) strength
    Goetz H Welsch
    MR Center, Department of Radiology, Medical University of Vienna, Lazarettgasse 14, Vienna, A 1090, Austria
    Eur Radiol 21:1136-43. 2011
    ..This study compares the performance and the reproducibility of quantitative T2, T2* and the magnetisation transfer ratio (MTR) of articular cartilage at 7T and 3T...
  7. ncbi Evaluation of cartilage repair tissue after matrix-associated autologous chondrocyte transplantation using a hyaluronic-based or a collagen-based scaffold with morphological MOCART scoring and biochemical T2 mapping: preliminary results
    Goetz Hannes Welsch
    MR Center, Department of Radiology, Medical University of Vienna, Vienna, Austria
    Am J Sports Med 38:934-42. 2010
    ..In cartilage repair, bioregenerative approaches using tissue engineering techniques have tried to achieve a close resemblance to hyaline cartilage, which might be visualized using advanced magnetic resonance imaging...
  8. ncbi Advanced morphological and biochemical magnetic resonance imaging of cartilage repair procedures in the knee joint at 3 Tesla
    Goetz H Welsch
    MR Center, Department of Radiology, Medical University of Vienna, Vienna, Austria
    Semin Musculoskelet Radiol 12:196-211. 2008
    ..A combination of both, together with clinical evaluation, may represent a desirable multimodal approach in the future, also available in routine clinical use...
  9. ncbi In vivo biochemical 7.0 Tesla magnetic resonance: preliminary results of dGEMRIC, zonal T2, and T2* mapping of articular cartilage
    Goetz H Welsch
    MR Center, Department of Radiology, Medical University of Vienna, Vienna, Austria
    Invest Radiol 43:619-26. 2008
    ..0 T MRI; and to evaluate the potential of T2 and T2* measurements in an initial patient study after matrix-associated autologous chondrocyte transplantation (MACT) in the knee...
  10. ncbi CT-based preoperative analysis of scapula morphology and glenohumeral joint geometry
    Goetz Welsch
    Surgical Planning Laboratory, Brigham and Women s Hospital, Harvard Medical School, Boston, Massachusetts 02115, USA
    Comput Aided Surg 8:264-8. 2003
    ..To investigate the geometry of the glenohumeral joint using three-dimensional (3D) models; define landmarks, planes, angles and regions of interest; and analyze the exact morphology of the scapula...
  11. ncbi Cartilage T2 assessment at 3-T MR imaging: in vivo differentiation of normal hyaline cartilage from reparative tissue after two cartilage repair procedures--initial experience
    Goetz H Welsch
    MR Center, Department of Radiology, Medical University of Vienna, Lazarettgasse 14, A 1090 Vienna, Austria
    Radiology 247:154-61. 2008
    ..To prospectively compare cartilage T2 values after microfracture therapy (MFX) and matrix-associated autologous chondrocyte transplantation (MACT) repair procedures...
  12. ncbi High-resolution morphological and biochemical imaging of articular cartilage of the ankle joint at 3.0 T using a new dedicated phased array coil: in vivo reproducibility study
    Goetz H Welsch
    MR Center, Department of Radiology, Medical University of Vienna, Vienna, Austria
    Skeletal Radiol 37:519-26. 2008
    ....
  13. ncbi Quantitative T2 evaluation at 3.0T compared to morphological grading of the lumbar intervertebral disc: a standardized evaluation approach in patients with low back pain
    David Stelzeneder
    Department of Radiology, MR Centre, Medical University of Vienna, Lazarettgasse 14, 1090 Vienna, Austria
    Eur J Radiol 81:324-30. 2012
    ....
  14. ncbi Steady-state diffusion imaging for MR in-vivo evaluation of reparative cartilage after matrix-associated autologous chondrocyte transplantation at 3 tesla--preliminary results
    Tallal Charles Mamisch
    Department of Orthopaedic Surgery, University of Berne, Inselspital, CH 3010 Berne, Switzerland
    Eur J Radiol 65:72-9. 2008
    ..To demonstrate the feasibility of time-reversed fast imaging with steady-state precession (FISP) called PSIF for diffusion-weighted imaging of cartilage and cartilage transplants in a clinical study...
  15. ncbi Parametric T2 and T2* mapping techniques to visualize intervertebral disc degeneration in patients with low back pain: initial results on the clinical use of 3.0 Tesla MRI
    Goetz Hannes Welsch
    MR Center High field MR, Department of Radiology, Medical University of Vienna, Vienna, Austria
    Skeletal Radiol 40:543-51. 2011
    ..Special focus was on the spatial variation of T2 and T2* between the annulus fibrosus (AF) and the nucleus pulposus (NP)...
  16. ncbi Differentiating normal hyaline cartilage from post-surgical repair tissue using fast gradient echo imaging in delayed gadolinium-enhanced MRI (dGEMRIC) at 3 Tesla
    Siegfried Trattnig
    MR Center High field MR, Department of Radiology, Medical University of Vienna, Lazarettgasse 14, A 1090 Vienna, Austria
    Eur Radiol 18:1251-9. 2008
    ..The new dGEMRIC technique based on dual flip angle excitation pulses showed higher GAG content in patients after MACT compared to MFX at the same postoperative interval and allowed reducing the data acquisition time to 4 min...
  17. ncbi Three-dimensional delayed gadolinium-enhanced MRI of cartilage (dGEMRIC) for in vivo evaluation of reparative cartilage after matrix-associated autologous chondrocyte transplantation at 3.0T: Preliminary results
    Siegfried Trattnig
    MR Center, Highfield MR, Department of Radiology, Medical University of Vienna, Vienna, Austria
    J Magn Reson Imaging 26:974-82. 2007
    ....
  18. ncbi Quantitative T2 mapping of matrix-associated autologous chondrocyte transplantation at 3 Tesla: an in vivo cross-sectional study
    Siegfried Trattnig
    MR Center, Department of Radiology, Medical University of Vienna, Vienna, Austria
    Invest Radiol 42:442-8. 2007
    ..To evaluate magnetic resonance (MR) T2 mapping for characterization of cartilage repair tissue following matrix-associated autologous cartilage transplantation (MACT)...