Mikkel Østergaard

Research output

Research output per year 1994 2010 2011 2012 2016 2017 2020

• 308 Journal article
• 187 Conference abstract in journal
• 18 Poster
• 13 Review
• 28 More
  • 8 Letter
  • 6 Book chapter
  • 6 Conference abstract for conference
  • 4 Comment/debate
  • 3 Net publication - Internet publication
  • 1 Paper

Research output per year

Research output per year

Search results

• 2004

  Magnetic resonance imaging of peripheral joints in rheumatic diseases.

  Østergaard, M., 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

  • Rheumatic Diseases 100%
  • Joints 66%
  • Magnetic Resonance Imaging 62%
  • Joint Diseases 51%
  • Rheumatoid Arthritis 38%
  26 Citations (Scopus)

• Magnetic resonance imaging of wrist and finger joints in healthy subjects occasionally shows changes resembling erosions and synovitis as seen in rheumatoid arthritis.

  Ejbjerg, B., Narvestad, E., Rostrup, E., Szkudlarek, M., Jacobsen, S., Thomsen, H. S. & Østergaard, M., 2004, In: Arthritis & Rheumatism. 50, 4, p. 1097-1106

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

  • Finger Joint 100%
  • Wrist Joint 96%
  • Synovitis 83%
  • Metacarpophalangeal Joint 81%
  • Rheumatoid Arthritis 58%
  134 Citations (Scopus)

• Reliability of a novel magnetic resonance imaging tenosynovitis scoring system in patients with rheumatoid arthritis.

  Haavardsholm, E. A., Kvan, N. P., Østergaard, M., Ejbjerg, B., Uhlig, T. A., Lilleås, F. G. & Kvien, T. K., 2004. 0 p.

  Research output: Contribution to conference › Poster › Research

• Serum VEGF increases in RA patients prior to relapse after withdrawal of DMARD.

  Hetland, M., Hansen, M. S., Stoltenberg, M., Gøtzsche, P., Østergaard, M. & Hetland, M. L., 2004. 0 p.

  Research output: Contribution to conference › Poster › Research

• Serum VEGF is increased in patients with early rheumatoid arthritis.

  Hetland, M. L., Johansen, J. S., Østergaard, M., Nielsen, H. J., Stengaard-Pedersen, K., Junker, P., Lottenburger, T., Hansen, I., Andersen, L. S., Tarp, U., Skjødt, H., Pedersen, J. K., Jacobsen, S., Svendsen, A., Ellingsen, T., Pødenphant, J., Hansen, G., Lindegaard, H. & Hørslev-Petersen, K., 2004. 0 p.

  Research output: Contribution to conference › Poster › Research

• The sensitivity to change for destructive joint damage by the Sharp/van der Heijde X-ray scores and 2 different MRI approaches.

  Ejbjerg, B., Videbaek, C., Jacobsen, S., Thomsen, H. S. & Østergaard, M., 2004. 0 p.

  Research output: Contribution to conference › Poster › Research

• Ultrasonographic assessment of finger and toe joints in rheumatoid arthritis - reply to letter by Scheel et al.

  Szkudlarek, M., Court-Payen, NN., Strandberg, C., Klarlund, M., Klausen, T. & Østergaard, M., 2004, In: Arthritis & Rheumatism. 50, p. 1008-1009

  Research output: Contribution to journal › Letter

• Ultrasonography of the metatarsophalangeal joints in rheumatoid arthritis: comparison with magnetic resonance imaging, conventional radiography, and clinical examination.

  Szkudlarek, M., Narvestad, E., Klarlund, M., Court-Payen, M., Thomsen, H. S. & Østergaard, M., 2004, In: Arthritis & Rheumatism. 50, 7, p. 2103-2112

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

  • Metatarsophalangeal Joint 100%
  • Radiography 70%
  • Rheumatoid Arthritis 60%
  • Ultrasonography 56%
  • Magnetic Resonance Imaging 48%
  319 Citations (Scopus)

• Ultrasonography of the RA finger joints is more sensitive than conventional radiography for detection of erosions without loss of specificity, with MRI as a reference method

  Szkudlarek, M., Klarlund, M., Narvestad, E., Court-Payen, M., Strandberg, C. & Østergaard, M., 2004. 0 p.

  Research output: Contribution to conference › Poster › Research
• 2003

  Contrast-enhanced power Doppler ultrasonography of the metacarpophalangeal joints in rheumatoid arthritis.

  Szkudlarek, M., Court-Payen, M., Strandberg, C., Klarlund, M., Klausen, T. & Østergaard, M., 2003, In: European Radiology. 13, 1, p. 163-168

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

  • Metacarpophalangeal Joint 100%
  • Doppler Ultrasonography 78%
  • Rheumatoid Arthritis 62%
  • Joints 44%
  • SHU 508 39%
  80 Citations (Scopus)

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

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

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

  • Rheumatoid Arthritis 100%
  • Ultrasonography 93%
  • Magnetic Resonance Imaging 80%
  • Radiography 58%
  • Joints 57%
  77 Citations (Scopus)

• Interobserver agreement in ultrasonography of the finger and toe joints in rheumatoid arthritis.

  Szkudlarek, M., Court-Payen, M., Jacobsen, S., Klarlund, M., Thomsen, H. S. & Østergaard, M., 2003, In: Arthritis & Rheumatism. 48, 4, p. 955-962

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

  • Toe Joint 100%
  • Finger Joint 83%
  • Rheumatoid Arthritis 49%
  • Ultrasonography 46%
  • Joints 42%
  534 Citations (Scopus)

• 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, M., 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

  • Wrist 100%
  • Rheumatoid Arthritis 85%
  • Magnetic Resonance Imaging 68%
  • Bone and Bones 61%
  • Radiography 61%
  177 Citations (Scopus)

• OMERACT Rheumatoid Arthritis Magnetic Resonance Imaging Studies. Core set of MRI acquisitions, joint pathology definitions, and the OMERACT RA-MRI scoring system.

  Østergaard, M., Peterfy, C., Conaghan, P., McQueen, F., Bird, P., Ejbjerg, B., Shnier, R., O'Connor, P., Klarlund, M., Emery, P., Genant, H., Lassere, M. & Edmonds, J., 2003, In: Journal of Rheumatology. 30, 6, p. 1385-1386

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

  • Wrist 100%
  • Magnetic Resonance Spectroscopy 87%
  • Rheumatoid Arthritis 85%
  • Hand 78%
  • Joints 73%
  598 Citations (Scopus)

• OMERACT Rheumatoid Arthritis Magnetic Resonance Imaging Studies. Exercise 3: an international multicenter reliability study using the RA-MRI Score.

  Lassere, M., McQueen, F., Østergaard, M., Conaghan, P., Shnier, R., Peterfy, C., Klarlund, M., Bird, P., O'Connor, P., Stewart, N., Emery, P., Genant, H. & Edmonds, J., 2003, In: Journal of Rheumatology. 30, 6, p. 1366-1375

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

  • Multicenter Studies 100%
  • Rheumatoid Arthritis 95%
  • Magnetic Resonance Imaging 76%
  • Bone and Bones 68%
  • Synovitis 61%
  133 Citations (Scopus)

• OMERACT Rheumatoid Arthritis Magnetic Resonance Imaging Studies. Exercise 4: an international multicenter longitudinal study using the RA-MRI Score.

  Conaghan, P., Lassere, M., Østergaard, M., Peterfy, C., McQueen, F., O'Connor, P., Bird, P., Ejbjerg, B., Klarlund, M., Shnier, R., Genant, H., Emery, P. & Edmonds, J., 2003, In: Journal of Rheumatology. 30, 6, p. 1376-1379

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

  102 Citations (Scopus)

• OMERACT Rheumatoid Arthritis Magnetic Resonance Imaging Studies. Exercise 5: an international multicenter reliability study using computerized MRI erosion volume measurements.

  Bird, P., Ejbjerg, B., McQueen, F., Østergaard, M., Lassere, M. & Edmonds, J., 2003, In: Journal of Rheumatology. 30, 6, p. 1380-1384

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

  • Multicenter Studies 100%
  • Rheumatoid Arthritis 95%
  • Magnetic Resonance Imaging 76%
  • Exercise 74%
  • Metacarpophalangeal Joint 30%
  49 Citations (Scopus)

• OMERACT Rheumatoid Arthritis Magnetic Resonance Imaging Studies. Summary of OMERACT 6 MR Imaging Module.

  McQueen, F., Lassere, M., Edmonds, J., Conaghan, P., Peterfy, C., Bird, P., O'Connor, P., Ejbjerg, B., Klarlund, M., Stewart, N., Emery, P., Shnier, R., Genant, H. & Østergaard, M., 2003, In: Journal of Rheumatology. 30, 6, p. 1387-1392

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

  • Synovitis 100%
  • Rheumatoid Arthritis 93%
  • Magnetic Resonance Imaging 75%
  • Magnetic Resonance Spectroscopy 71%
  • Joints 60%
  100 Citations (Scopus)
• 2002

  Baseline MRI erosions in early rheumatoid arthritis MCP- and wrist joint bones markedly increase the risk of radiographic erosions at 1 year follow-up.

  Lindegaard, H., Hørslev-Petersen, K., Vallø, J., Junker, P. & Østergaard, M., 2002. 0 p.

  Research output: Contribution to conference › Poster › Research

• B-mode ultrasonography and contrast-enhanced magnetic resonance imaging of rheumatoid arthritis synovitis.

  Szkudlarek, M., Klarlund, M., Narvestad, E., Court-Payen, M., Strandberg, C. & Østergaard, M., 2002. 0 p.

  Research output: Contribution to conference › Conference abstract for conference › Research

• Grey-scale ultrasonography versus contrast-enhanced magnetic resonance imaging of rheumatoid arthritis synovitis in finger joints.

  Szkudlarek, M., Klarlund, M., Strandberg, C., Court-Payen, M. & Østergaard, M., 2002. 0 p.

  Research output: Contribution to conference › Poster › Research

• 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, M., 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

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

  Research output: Contribution to conference › Poster › Research

• Optimized low-cost low-field dedicated extremity MRI can provide similar information on wrist and MCP joint synovitis and bone erosions as expensive conventional high-field MRI arthritis - a comparison with 'conventional' high-field MRI.

  Ejbjerg, B., Narvestad, E., Szkudlarek, M., Jacobsen, J. R., Thomsen, H. & Østergaard, M., 2002. 0 p.

  Research output: Contribution to conference › Poster › Research

• Ultrasonography of inflammatory and destructive changes in finger and toe joints in rheumatoid arthritis - a study of interobserver agreement.

  Szkudlarek, M., Court-Payen, M., Jacobsen, S., Thomsen, H. & Østergaard, M., 2002. 0 p.

  Research output: Contribution to conference › Poster › Research

• Ultrasonography shows more bone erosions in PIP joints of RA patients than MRI and conventional radiography. Versus contrast-enhanced magnetic resonance imaging of rheumatoid arthritis synovitis in finger joints.

  Szkudlarek, M., Klarlund, M., Narvestad, E., Court-Payen, M., Strandberg, C. & Østergaard, M., 2002. 0 p.

  Research output: Contribution to conference › Poster › Research
• 2001

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

  Østergaard, M. & 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

  85 Citations (Scopus)

• Interreader agreement in the assessment of magnetic resonance images of rheumatoid arthritis wrist and finger joints--an international multicenter study.

  Østergaard, M., Klarlund, M., Lassere, M., Conaghan, P., Peterfy, C., McQueen, F., O'Connor, P., Shnier, R., Stewart, N., McGonagle, D., Emery, P., Genant, H. & Edmonds, J., 2001, In: Journal of Rheumatology. 28, 5, p. 1143-1150 8 p.

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

  101 Citations (Scopus)

• Low field dedicated magnetic resonance imaging in untreated rheumatoid arthritis of recent onset.

  Lindegaard, H., Vallø, J., Hørslev-Petersen, K., Junker, P. & Østergaard, M., 2001, In: Annals of the Rheumatic Diseases. 60, 8, p. 770-776

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

  92 Citations (Scopus)

• Magnetic resonance imaging in rheumatoid arthritis: summary of OMERACT activities, current status, and plans.

  Conaghan, P., Edmonds, J., Emery, P., Genant, H., Gibbon, W., Klarlund, M., Lassere, M., McGonagle, D., McQueen, F., O'Connor, P., Peterfy, C., Shnier, R., Stewart, N. & Østergaard, M., 2001, In: Journal of Rheumatology. 28, 5, p. 1158-1162

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

  96 Citations (Scopus)

• Magnetic resonance imaging of soft tissue changes in rheumatoid arthritis wrist joints.

  Østergaard, M. & Szkudlarek, M., 2001, In: Seminars in Musculoskeletal Radiology. 5, 3, p. 257-274 18 p.

  Research output: Contribution to journal › Review

  20 Citations (Scopus)

• Power Doppler ultrasonography for assessment of synovitis in the metacarpophalangeal joints of patients with rheumatoid arthritis: a comparison with dynamic magnetic resonance imaging.

  Szkudlarek, M., Court-Payen, M., Strandberg, C., Klarlund, M., Klausen, T. & Østergaard, M., 2001, In: Arthritis & Rheumatism. 44, 9, p. 2018-2023 6 p.

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

  348 Citations (Scopus)

• 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, M., 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

  35 Citations (Scopus)

• Studies on YKL-40 in knee joints of patients with rheumatoid arthritis and osteoarthritis. Involvement of YKL-40 in the joint pathology

  Volck, B., Johansen, J. S., Stoltenberg, M., Garbarsch, C., Price, P. A., Østergaard, M., Ostergaard, K., Løvgreen-Nielsen, P., Sonne-Holm, S. & Lorenzen, I., 2001, In: Osteoarthritis and Cartilage. 9, 3, p. 203-214 12 p.

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

  147 Citations (Scopus)
• 2000

  Dynamic magnetic resonance imaging of the metacarpophalangeal joints in rheumatoid arthritis, early unclassified polyarthritis, and healthy controls.

  Klarlund, M., Østergaard, M., Rostrup, E., Skjødt, H. & Lorenzen, I., 2000, In: Scandinavian Journal of Rheumatology. 29, 2, p. 108-115 8 p.

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

  47 Citations (Scopus)

• Magnetic resonance imaging, radiography, and scintigraphy of the finger joints: one year follow up of patients with early arthritis. The TIRA Group.

  Klarlund, M., Østergaard, M., Jensen, K. E., Madsen, J. L., Skjødt, H. & Lorenzen, I., 2000, In: Annals of the Rheumatic Diseases. 59, 7, p. 521-528 8 p.

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

  206 Citations (Scopus)

• MRI bone erosions and MRI bone lesions in early rheumatoid arthritis: comment on the article by McGonagle et al.

  Østergaard, M., 2000, In: Arthritis & Rheumatism. 43, 4, p. 949-950

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

  8 Citations (Scopus)
• 1999

  Finger joint synovitis in rheumatoid arthritis: quantitative assessment by magnetic resonance imaging.

  Klarlund, M., Østergaard, M. & Lorenzen, I., 1999, In: Rheumatology. 38, 1, p. 66-72 7 p.

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

  53 Citations (Scopus)

• Magnetic resonance imaging-determined synovial membrane volume as a marker of disease activity and a predictor of progressive joint destruction in the wrists of patients with rheumatoid arthritis.

  Østergaard, M., Hansen, M., Stoltenberg, M., Gideon, P., Klarlund, M., Jensen, K. E. & Lorenzen, I., 1999, In: Arthritis & Rheumatism. 42, 5, p. 918-929 12 p.

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

  299 Citations (Scopus)

• Magnetic resonance imaging in rheumatoid arthritis. Quantitative methods for assessment of the inflammatory process in peripheral joints.

  Østergaard, M., 1999, In: Danish Medical Bulletin (Online). 46, 4, p. 313-344 32 p.

  Research output: Contribution to journal › Review

• Wrist and finger joint MR imaging in rheumatoid arthritis.

  Klarlund, M., Østergaard, M., Gideon, P., Sørensen, K., Jensen, K. E. & Lorenzen, I., 1999, In: Acta Radiologica. 40, 4, p. 400-409 10 p.

  Research output: Contribution to journal › Journal article › Research

  55 Citations (Scopus)
• 1998

  Intensive dynamic training for females with chronic neck/shoulder pain. A randomized controlled trial.

  Randløv, A., Østergaard, M., Manniche, C., Kryger, P., Jordan, A., Heegaard, S. & Holm, B., 1998, In: Clinical Rehabilitation. 12, 3, p. 200-210 11 p.

  Research output: Contribution to journal › Journal article › Research

  76 Citations (Scopus)

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

  Østergaard, M., 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

  211 Citations (Scopus)
• 1997

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

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

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

  48 Citations (Scopus)

• Magnetic resonance imaging-determined synovial membrane and joint effusion volumes in rheumatoid arthritis and osteoarthritis: comparison with the macroscopic and microscopic appearance of the synovium.

  Østergaard, M., Stoltenberg, M., Løvgreen-Nielsen, P., Volck, B., Jensen, C. H. & Lorenzen, I., 1997, In: Arthritis & Rheumatism. 40, 10, p. 1856-1867 12 p.

  Research output: Contribution to journal › Journal article › Research

  224 Citations (Scopus)
• 1996

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

  Østergaard, M., 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

  112 Citations (Scopus)

• 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, M., 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

  109 Citations (Scopus)

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

  Østergaard, M., 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

  84 Citations (Scopus)
• 1995

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

  Østergaard, M., 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

  48 Citations (Scopus)

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

  Østergaard, M., 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

  92 Citations (Scopus)