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  1. Published

    Simulator training improves ultrasound scanning performance on patients: a randomized controlled trial

    Østergaard, M. L., Rue Nielsen, K., Albrecht-Beste, Elisabeth, Kjær Ersbøll, A., Konge, Lars & Nielsen, Michael Bachmann, Jun 2019, In: European Radiology. 29, 6, p. 3210-3218

    Research output: Contribution to journal › Journal article › Research › peer-review

  2. Rational design of antisense oligonucleotides targeting single nucleotide polymorphisms for potent and allele selective suppression of mutant Huntingtin in the CNS

    Østergaard, M. E., Southwell, A. L., Kordasiewicz, H., Watt, A. T., Skotte, Niels Henning, Doty, C. N., Vaid, K., Villanueva, Erika Bianca, Swayze, E. E., Bennett, C. F., Hayden, M. R. & Seth, P. P., Nov 2013, In: Nucleic Acids Research. 41, 21, p. 9634-50 17 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  3. Published

    Ultrasonography in arthritis of the knee. A comparison with MR imaging.

    Østergaard, Mikkel, Court-Payen, M., Gideon, P., Wieslander, S., Cortsen, M., Lorenzen, I. & Henriksen, O., 1995, In: Acta Radiologica. 36, 1, p. 19-26 8 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  4. Published

    Ofatumumab, a human anti-CD20 monoclonal antibody, for treatment of rheumatoid arthritis with an inadequate response to one or more disease-modifying antirheumatic drugs: results of a randomized, double-blind, placebo-controlled, phase I/II study

    Østergaard, Mikkel, Baslund, B., Rigby, W., Rojkovich, B., Jorgensen, C., Dawes, P. T., Wiell, C., Wallace, D. J., Tamer, S. C., Kastberg, H., Petersen, J. & Sierakowski, S., 1 Aug 2010, In: Arthritis & Rheumatism. 62, 8, p. 2227-38 12 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  5. Published

    Magnetic resonance imaging in spondyloarthritis--how to quantify findings and measure response

    Østergaard, Mikkel, Poggenborg, R. P., Axelsen, M. B. & Pedersen, S. J., 1 Oct 2010, In: Best Practice & Research: Clinical Rheumatology. 24, 5, p. 637-57 21 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  6. Published

    Quantitative assessment of the synovial membrane in the rheumatoid wrist: an easily obtained MRI score reflects the synovial volume.

    Østergaard, Mikkel, Hansen, M., Stoltenberg, M. & Lorenzen, I., 1996, In: Br J Rheumatol. 35, 10, p. 965-971 7 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  7. Published

    Development and preliminary validation of a magnetic resonance imaging joint space narrowing score for use in rheumatoid arthritis: potential adjunct to the OMERACT RA MRI scoring system

    Østergaard, Mikkel, Bøyesen, P., Eshed, I., Gandjbakhch, F., Lillegraven, S., Bird, P., Foltz, V., Boonen, A., Lassere, M., Hermann, K., Anandarajah, A., Døhn, U. M., Freeston, J., Peterfy, C. G., Genant, H. K., Haavardsholm, E. A., McQueen, F. M. & Conaghan, P. G., 2011, In: Journal of Rheumatology. 38, 9, p. 2045-50 6 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  8. Published

    MRI in Rheumatoid Arthritis at OMERACT 2002: Suggested 'core set' of MRI acquisitions, definitions of important joint pathologies, and scoring system (OEMRACT 2002 RAMRIS).

    Østergaard, Mikkel, McQueen, F., Peterfy, C., Conaghan, P., Lassere, M., Bird, P., Ejbjerg, B., Shnier, R., O'Connor, P., Klarlund, M., Emery, P., Genant, H. & Edmonds, J., 2002. 0 p.

    Research output: Contribution to conference › Poster › Research

  9. Published

    Structural lesions detected by magnetic resonance imaging in the spine of patients with spondyloarthritis-definitions, assessment system, and reference image set

    Østergaard, Mikkel, Maksymowych, W. P., Pedersen, S. J., Chiowchanwisawakit, P. & Lambert, R. G., 2009, In: Journal of Rheumatology. 84, p. 18-

    Research output: Contribution to journal › Journal article › Research › peer-review

  10. Published

    Imaging in rheumatoid arthritis

    Østergaard, Mikkel & Szkudlarek, M., 2006, Rheumatoid Arthritis. Firestein, G. S., Panayi, G. S. & Wollheim, F. A. (eds.). Oxford, p. 259-283

    Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research

  11. Published

    Imaging in rheumatoid arthritis: the role of magnetic resonance imaging and computed tomography

    Østergaard, Mikkel & Boesen, Mikael Ploug, 2019, In: La Radiologia Medica. 124, p. 1128-1141 14 p.

    Research output: Contribution to journal › Review › Research › peer-review

  12. Published

    Ultrasonography and magnetic resonance imaging in early rheumatoid arthritis: recent advances.

    Østergaard, Mikkel, Døhn, U. M., Ejbjerg, B. J. & McQueen, F. M., 2006, In: Current Rheumatology Reports (Online). 8, 5, p. 378-85 7 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  13. Published

    Quantitative magnetic resonance imaging as marker of synovial membrane regeneration and recurrence of synovitis after arthroscopic knee joint synovectomy: a one year follow up study.

    Østergaard, Mikkel, Ejbjerg, B., Stoltenberg, M., Gideon, P., Volck, B., Skov, K., Jensen, C. H. & Lorenzen, I., 2001, In: Annals of the Rheumatic Diseases. 60, 3, p. 233-236 4 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  14. Published

    Quantification of synovistis by MRI: correlation between dynamic and static gadolinium-enhanced magnetic resonance imaging and microscopic and macroscopic signs of synovial inflammation.

    Østergaard, Mikkel, Stoltenberg, M., Løvgreen-Nielsen, P., Volck, B., Sonne-Holm, S. & Lorenzen, I., 1998, In: Magnetic Resonance Imaging. 16, 7, p. 743-754 12 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  15. Published

    Synovial volume--a marker of disease severity in rheumatoid arthritis? Quantification by MRI.

    Østergaard, Mikkel, Gideon, P., Henriksen, O. & Lorenzen, I., 1994, In: Scandinavian Journal of Rheumatology. 23, 4, p. 197-202 6 p.

    Research output: Contribution to journal › Journal article › Research

  16. Published

    The OMERACT psoriatic arthritis magnetic resonance imaging scoring system (PsAMRIS): definitions of key pathologies, suggested MRI sequences, and preliminary scoring system for PsA Hands

    Østergaard, Mikkel, McQueen, F., Wiell, C., Bird, P., Bøyesen, P., Ejbjerg, B., Peterfy, C., Gandjbakhch, F., Duer-Jensen, A., Coates, L., Haavardsholm, E. A., Hermann, K. A., Lassere, M., O'Connor, P., Emery, P., Genant, H. & Conaghan, P. G., 2009, In: Journal of Rheumatology. 36, 8, p. 1816-24 9 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  17. Published

    Imaging of ankylosing spondylitis

    Østergaard, Mikkel, 2011, In: Arthritis Research & Therapy. 14, Suppl. 2, p. A18

    Research output: Contribution to journal › Conference abstract in journal › Research › peer-review

  18. Published

    Imaging in rheumatoid arthritis--why MRI and ultrasonography can no longer be ignored.

    Østergaard, Mikkel & Szkudlarek, M., 2003, In: Scandinavian Journal of Rheumatology. 32, 2, p. 63-73

    Research output: Contribution to journal › Journal article › Research › peer-review

  19. Published

    The OMERACT Magnetic Resonance Imaging Inflammatory Arthritis Group - advances and priorities.

    Østergaard, Mikkel, McQueen, F., Bird, P., Peterfy, C., Haavardsholm, E., Ejbjerg, B., Lassere, M., O'Connor, P., Emery, P., Edmonds, J., Genant, H., Conaghan, P. G. & NN, N., 2007, In: Journal of Rheumatology. 34, 4, p. 852-3 1 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  20. Published

    Basic MRI technical issues and how to interpret and use the different MR image types.

    Østergaard, Mikkel, 2011, In: Annals of the Rheumatic Diseases. 70, (Suppl. 3), p. 10-11 2 p.

    Research output: Contribution to journal › Conference abstract in journal › Research › peer-review

  21. Published

    New MRI bone erosions in radiographically non-eroded rheumatoid arthritis wrist joint bones give a 4-fold increased risk of radiographic erosions five years later.

    Østergaard, Mikkel, Hansen, M., Stoltenberg, M., Jensen, K. E., Szkudlarek, M., Klarlund, M. & Pedersen-Zbinden, M., 2002. 0 p.

    Research output: Contribution to conference › Poster › Research

  22. Published

    Imaging in ankylosing spondylitis

    Østergaard, Mikkel & Lambert, R. G. W., 2012, In: Therapeutic Advances in Musculoskeletal Disease. 4, 4, p. 301-11 11 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  23. Published

    Quantitative assessment of synovial inflammation by dynamic gadolinium-enhanced magnetic resonance imaging. A study of the effect of intra-articular methylprednisolone on the rate of early synovial enhancement.

    Østergaard, Mikkel, Stoltenberg, M., Henriksen, O. & Lorenzen, I., 1996, In: Br J Rheumatol. 35, 1, p. 50-59 10 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  24. Published

    Magnetic resonance imaging in rheumatoid arthritis advances and research priorities

    Østergaard, Mikkel, McQueen, F., Bird, P., Ejbjerg, B., Lassere, M., Peterfy, C., O'Connor, P., Haavardsholm, E., Shnier, R., Genant, H., Emery, P., Edmonds, J. & Conaghan, P., 2005, In: Journal of Rheumatology. 32, 12, p. 2462-4

    Research output: Contribution to journal › Journal article › Research › peer-review

  25. Published

    MRI assessment of early response to certolizumab pegol in rheumatoid arthritis: a randomised, double-blind, placebo-controlled phase IIIb study applying MRI at weeks 0, 1, 2, 4, 8 and 16

    Østergaard, Mikkel, Jacobsson, L. T. H., Schaufelberger, C., Hansen, M. S., Bijlsma, J. W. J., Dudek, A., Rell-Bakalarska, M., Staelens, F., Haake, R., Sundman-Engberg, B. & Bliddal, Henning, Jun 2015, In: Annals of the Rheumatic Diseases. 74, 6, p. 1156-63 8 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  26. Published

    Can imaging be used for inflammatory arthritis screening?

    Østergaard, Mikkel, 2012, In: Seminars in Musculoskeletal Radiology. 16, 5, p. 401-9 9 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  27. Published

    Update on the activities in the omeract magnetic resonance imaging in inflammatory arthritis task force.

    Østergaard, Mikkel, 2010, In: Annals of the Rheumatic Diseases. 69, 3, p. 38 1 p.

    Research output: Contribution to journal › Conference abstract in journal › Research › peer-review

  28. Published

    Ultrasonography: a valid method for assessing rheumatoid arthritis?

    Østergaard, Mikkel & Szkudlarek, M., 2005, In: Arthritis & Rheumatism. 52, 3, p. 681-86

    Research output: Contribution to journal › Journal article › Research › peer-review

  29. Published

    The OMERACT whole-body MRI scoring system for inflammation in peripheral joints and entheses (WIPE) in spondyloarthritis - reference image atlas for the knee region

    Østergaard, Mikkel, Wetterslev, M., Hadsbjerg, A. E., Maksymowych, W. P., Eshed, I., Jans, L., Emad, Y., Pedersen, S. J., Stoenoiu, M. S., Bird, P., Foltz, V., Mathew, A. J., Paschke, J., Carron, P., De Marco, G., Marzo-Ortega, H., Møller-Bisgaard, S., Conaghan, P. G. & Lambert, R. G., 2024, In: Seminars in Arthritis and Rheumatism. 65, 7 p., 152384.

    Research output: Contribution to journal › Journal article › Research › peer-review

  30. Published

    Magnetic resonance imaging in psoriatic arthritis -- update on current status and future perspectives: a report from the GRAPPA 2010 annual meeting

    Østergaard, Mikkel & Poggenborg, R. P., 2012, In: Journal of Rheumatology. 39, 2, p. 408-12 5 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  31. Published

    Different approaches to synovial membrane volume determination by magnetic resonance imaging: manual versus automated segmentation.

    Østergaard, Mikkel, 1997, In: Br J Rheumatol. 36, 11, p. 1166-1177 12 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  32. Published

    Hip and pelvis region MRI reference image atlas for scoring inflammation in peripheral joints and entheses according to the OMERACT-MRI WIPE scoring system in patients with spondyloarthritis

    Østergaard, Mikkel, Lambert, R. G., Hadsbjerg, A. E., Eshed, I., Maksymowych, W. P., Mathew, A. J., Jans, L., Pedersen, S. J., Carron, P., Emad, Y., De Marco, G., Bird, P., Stoenoiu, M. S., Foltz, V., Paschke, J., Marzo-Ortega, H., Møller-Bisgaard, S., Conaghan, P. G. & Wetterslev, M., 2024, In: Seminars in Arthritis and Rheumatism. 65, 6 p., 152383.

    Research output: Contribution to journal › Journal article › Research › peer-review

  33. Published

    Why and how to use MRI for prognosticating rheumatoid arthritis and spondyloarthritis.

    Østergaard, Mikkel, 2010, In: Annals of the Rheumatic Diseases. 69, 3, p. 3-4 2 p.

    Research output: Contribution to journal › Conference abstract in journal › Research › peer-review

  34. Published

    Magnetic resonance imaging--key to understanding and monitoring disease progression in spondyloarthritis?

    Østergaard, Mikkel & Sørensen, I. J., Jan 2015, In: Journal of Rheumatology. 42, 1, p. 1-4 4 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  35. Published

    Changes in synovial membrane and joint effusion volumes after intraarticular methylprednisolone. Quantitative assessment of inflammatory and destructive changes in arthritis by MRI.

    Østergaard, Mikkel, Stoltenberg, M., Gideon, P., Sørensen, K., Henriksen, O. & Lorenzen, I., 1996, In: Journal of Rheumatology. 23, 7, p. 1151-1161 11 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  36. Published

    Magnetic resonance imaging for accelerated assessment of drug effect and prediction of subsequent radiographic progression in rheumatoid arthritis: a study of patients receiving combined anakinra and methotrexate treatment.

    Østergaard, Mikkel, Duer, A., Nielsen, H., Johansen, J., Narvestad, E., Ejbjerg, B., Baslund, B., Møller, J., Thomsen, H. & Petersen, J., 2005, In: Annals of the Rheumatic Diseases. 64, 10, p. 1503-6

    Research output: Contribution to journal › Journal article › Research › peer-review

  37. Published

    Scoring of synovial membrane hypertrophy and bone erosions by MR imaging in clinically active and inactive rheumatoid arthritis of the wrist.

    Østergaard, Mikkel, Gideon, P., Sørensen, K., Hansen, M., Stoltenberg, M., Henriksen, O. & Lorenzen, I., 1995, In: Scandinavian Journal of Rheumatology. 24, 4, p. 212-218 7 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  38. Published

    Magnetic resonance imaging of peripheral joints in rheumatic diseases.

    Østergaard, Mikkel, Duer, A., Møller, U. & Ejbjerg, B., 2004, In: Best Practice & Research: Clinical Rheumatology. 18, 6, p. 861-879

    Research output: Contribution to journal › Journal article › Research › peer-review

  39. Published

    Certolizumab pegol, abatacept, tocilizumab or active conventional treatment in early rheumatoid arthritis: 48-week clinical and radiographic results of the investigator-initiated randomised controlled NORD-STAR trial

    Østergaard, M., Van Vollenhoven, R. F., Rudin, A., Hetland, M. L., Heiberg, M. S., Nordström, D. C., Nurmohamed, M. T., Gudbjornsson, B., Ørnbjerg, L. M., Bøyesen, P., Lend, K., Hørslev-Petersen, K., Uhlig, T., Sokka, T., Grondal, G., Krabbe, S., Lindqvist, J., Gjertsson, I., Glinatsi, D., Kapetanovic, M. C. & 25 others, Aga, A. B., Faustini, F., Parmanne, P., Lorenzen, T., Giovanni, C., Back, J., Hendricks, O., Vedder, D., Rannio, T., Grenholm, E., Ljoså, M. K., Brodin, E., Lindegaard, H., Söderbergh, A., Rizk, M., Kastbom, A., Larsson, P., Uhrenholt, L., Just, S. A., Stevens, D. J., Bay Laurbjerg, T., Bakland, G., Olsen, I. C., Haavardsholm, E. A. & Lampa, J., 2023, In: Annals of the Rheumatic Diseases. p. 1286–1295 10 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  40. Published

    Whole-body magnetic resonance imaging in inflammatory arthritis: Systematic literature review and first steps toward standardization and an omeract scoring system

    Østergaard, Mikkel, Eshed, I., Althoff, C. E., Poggenborg, R. P., Diekhoff, T., Krabbe, S., Weckbach, S., Lambert, R. G. W., Pedersen, S. J., Maksymowych, W. P., Peterfy, C. G., Freeston, J., Bird, P., Conaghan, P. G. & Hermann, K. G. A., Nov 2017, In: Journal of Rheumatology. 44, 11, p. 1699-1705 7 p.

    Research output: Contribution to journal › Review › Research › peer-review

  41. Published

    Advances in imaging of spondyloarthritis.

    Østergaard, Mikkel, 2012, In: Clinical and Experimental Rheumatology. 30, 4 suppl., p. 600 1 p.

    Research output: Contribution to journal › Conference abstract in journal › Research › peer-review

  42. Published

    MRI in psoriatic arthritis - Update on the current state

    Østergaard, Mikkel, 2012, In: Annals of the Rheumatic Diseases. 71, Suppl. 3, p. 12-13 2 p.

    Research output: Contribution to journal › Conference abstract in journal › Research › peer-review

  43. Published

    What is new: Clinical implications of imaging advances

    Østergaard, Mikkel, 2012, In: Annals of the Rheumatic Diseases. 71, Suppl. 3, p. 15 1 p.

    Research output: Contribution to journal › Conference abstract in journal › Research › peer-review

  44. Published

    An introduction to the EULAR-OMERACT rheumatoid arthritis MRI reference image atlas.

    Østergaard, Mikkel, Edmonds, J., McQueen, F., Peterfy, C., Lassere, M., Ejbjerg, B., Bird, P., Emery, P., Genant, H. & Conaghan, P., 2005, In: Annals of the Rheumatic Diseases. 64, 1, p. 3-7

    Research output: Contribution to journal › Journal article › Research › peer-review

  45. Published

    Effect of intraarticular osmic acid on synovial membrane volume and inflammation, determined by magnetic resonance imaging.

    Østergaard, Mikkel, Stoltenberg, M., Gideon, P., Wieslander, S., Sonne-Holm, S., Kryger, P. & Sonne, M., 1995, In: Scandinavian Journal of Rheumatology. 24, 1, p. 5-12 8 p.

    Research output: Contribution to journal › Journal article › Research

  46. Published

    Importance of timing of post-contrast MRI in rheumatoid arthritis: what happens during the first 60 minutes after IV gadolinium-DTPA?

    Østergaard, Mikkel & Klarlund, M., 2001, In: Annals of the Rheumatic Diseases. 60, 11, p. 1050-1054 5 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  47. Published

    New radiographic bone erosions in the wrists of patients with rheumatoid arthritis are detectable with magnetic resonance imaging a median of two years earlier.

    Østergaard, Mikkel, Hansen, M., Stoltenberg, M., Jensen, K. E., Szkudlarek, M., Pedersen-Zbinden, B. & Lorenzen, I., 2003, In: Arthritis & Rheumatism. 48, 8, p. 2128-2131

    Research output: Contribution to journal › Journal article › Research › peer-review

  48. Published

    Development and validation of an MRI joint space narrowing score for use in rheumatoid arthritis. A potential adjunct to the OMERACT RA MRI scoring system.

    Østergaard, Mikkel, Bøyesen, P., Eshed, I., Gandjbakhch, F., Lillegraven, S., Bird, P., Foltz, V., Boonen, A., Lassere, M. N., Hermann, K., Anandarajah, A., Døhn, U. M., Freeston, J., Peterfy, C. G., Genant, H. K., Haavardsholm, E., McQueen, F. M. & Conaghan, P. G., 2010, In: Arthritis & Rheumatism. 62, 10, p. 569 1 p.

    Research output: Contribution to journal › Conference abstract in journal › Research › peer-review

  49. Published

    Patterns of MRI bone erosion in rheumatoid arthritis. Which bones are most frequently involved and show most change?

    Østergaard, Mikkel, Døhn, U. M., Duer-Jensen, A., Hetland, Merete Lund, Hørslev-Petersen, K., Stengaard-Pedersen, K., Junker, P., Pødenphanth, J. & Ejbjerg, B., 2010, In: Arthritis & Rheumatism. 62, 10, p. 569-570 2 p.

    Research output: Contribution to journal › Conference abstract in journal › Research › peer-review

  50. Published

    Reduced frequency and severity of infusion-related adverse events after change in ofatumumab infusion regimen - Reply to comment by Abeles (letter)

    Østergaard, Mikkel, Baslund, B., Rigby, W., Rojkovich, B., Jørgensen, C., Dawes, P. T., Wiell, C., Wallace, D. J., Tamer, S. C., Kastberg, H., Petersen, J. & Sierakowski, S., 2010, In: Arthritis & Rheumatism.

    Research output: Contribution to journal › Letter › Research › peer-review

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