Publications 2024

Sande NK, Kirkhus E, Lilleby V, Tomterstad AH, Aga AB, Flatø B, Bøyesen P (2024)
Validity of an ultrasonographic joint-specific scoring system in juvenile idiopathic arthritis: a cross-sectional study comparing ultrasound findings of synovitis with whole-body magnetic resonance imaging and clinical assessment
RMD Open, 10 (1)
DOI 10.1136/rmdopen-2023-003965, PubMed 38428979

Publications 2023

Sande NK, Lilleby V, Aga AB, Kirkhus E, Flatø B, Bøyesen P (2023)
Associations between power Doppler ultrasound findings and B-mode synovitis and clinical arthritis in juvenile idiopathic arthritis using a standardised scanning approach and scoring system
RMD Open, 9 (1)
DOI 10.1136/rmdopen-2022-002937, PubMed 36963783

Østergaard M, van Vollenhoven RF, Rudin A, Hetland ML, Heiberg MS, Nordström DC, Nurmohamed MT, Gudbjornsson B, Ørnbjerg LM, Bøyesen P, Lend K, Hørslev-Petersen K, Uhlig T, Sokka T, Grondal G, Krabbe S, Lindqvist J, Gjertsson I, Glinatsi D, Kapetanovic MC, Aga AB, Faustini F, Parmanne P, Lorenzen T, Giovanni C et al. (2023)
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
Ann Rheum Dis, 82 (10), 1286-1295
DOI 10.1136/ard-2023-224116, PubMed 37423647

Publications 2022

Felbo SK, Wiell C, Østergaard M, Poggenborg RP, Bøyesen P, Hammer HB, Boonen A, Pedersen SJ, Sørensen IJ, Madsen OR, Slot O, Møller JM, Szkudlarek M, Terslev L (2022)
Do tender joints in active psoriatic arthritis reflect inflammation assessed by ultrasound and magnetic resonance imaging?
Rheumatology (Oxford), 61 (2), 723-733
DOI 10.1093/rheumatology/keab384, PubMed 33895799

Publications 2021

Sande NK, Bøyesen P, Aga AB, Hammer HB, Flatø B, Roth J, Lilleby V (2021)
Development and reliability of a novel ultrasonographic joint-specific scoring system for synovitis with reference atlas for patients with juvenile idiopathic arthritis
RMD Open, 7 (2)
DOI 10.1136/rmdopen-2021-001581, PubMed 33883255

Publications 2017

Brinkmann GH, Norli ES, Bøyesen P, van der Heijde D, Grøvle L, Haugen AJ, Nygaard H, Bjørneboe O, Thunem C, Kvien TK, Mjaavatten MD, Lie E (2017)
Role of erosions typical of rheumatoid arthritis in the 2010 ACR/EULAR rheumatoid arthritis classification criteria: results from a very early arthritis cohort
Ann Rheum Dis, 76 (11), 1911-1914
DOI 10.1136/annrheumdis-2017-211350, PubMed 28798051

Sakellariou G, Conaghan PG, Zhang W, Bijlsma JWJ, Boyesen P, D'Agostino MA, Doherty M, Fodor D, Kloppenburg M, Miese F, Naredo E, Porcheret M, Iagnocco A (2017)
EULAR recommendations for the use of imaging in the clinical management of peripheral joint osteoarthritis
Ann Rheum Dis, 76 (9), 1484-1494
DOI 10.1136/annrheumdis-2016-210815, PubMed 28389554

Østergaard M, Peterfy CG, Bird P, Gandjbakhch F, Glinatsi D, Eshed I, Haavardsholm EA, Lillegraven S, Bøyesen P, Ejbjerg B, Foltz V, Emery P, Genant HK, Conaghan PG (2017)
The OMERACT Rheumatoid Arthritis Magnetic Resonance Imaging (MRI) Scoring System: Updated Recommendations by the OMERACT MRI in Arthritis Working Group
J Rheumatol, 44 (11), 1706-1712
DOI 10.3899/jrheum.161433, PubMed 28811353

Publications 2016

Ørnbjerg LM, Østergaard M, Jensen T, Hyldstrup L, Bach-Mortensen P, Bøyesen P, Thormann A, Tarp U, Bøhme WP, Lindegaard H, Poulsen UE, Schlemmer A, Graudal N, Rødgaard A, Espesen J, Kollerup GB, Glintborg B, Madsen OR, Jensen DV, Hetland ML (2016)
Establishment of age- and sex-adjusted reference data for hand bone mass and investigation of hand bone loss in patients with rheumatoid arthritis treated in clinical practice: an observational study from the DANBIO registry and the Copenhagen Osteoarthritis Study
Arthritis Res Ther, 18, 53
DOI 10.1186/s13075-016-0952-y, PubMed 26912229

Publications 2015

Glinatsi D, Bird P, Gandjbakhch F, Mease PJ, Bøyesen P, Peterfy CG, Conaghan PG, Østergaard M (2015)
Validation of the OMERACT Psoriatic Arthritis Magnetic Resonance Imaging Score (PsAMRIS) for the Hand and Foot in a Randomized Placebo-controlled Trial
J Rheumatol, 42 (12), 2473-9
DOI 10.3899/jrheum.141010, PubMed 26523032

Glinatsi D, Lillegraven S, Haavardsholm EA, Eshed I, Conaghan PG, Peterfy C, Gandjbakhch F, Bird P, Bøyesen P, Døhn UM, Genant HK, Østergaard M (2015)
Validation of the OMERACT Magnetic Resonance Imaging Joint Space Narrowing Score for the Wrist in a Multireader Longitudinal Trial
J Rheumatol, 42 (12), 2480-5
DOI 10.3899/jrheum.141009, PubMed 25684773

Haugeberg G, Bøyesen P, Helgetveit K, Prøven A (2015)
Clinical and Radiographic Outcomes in Patients Diagnosed with Early Rheumatoid Arthritis in the First Years of the Biologic Treatment Era: A 10-year Prospective Observational Study
J Rheumatol, 42 (12), 2279-87
DOI 10.3899/jrheum.150384, PubMed 26568592

Haugen IK, Eshed I, Gandjbakhch F, Foltz V, Østergaard M, Bøyesen P, Bird P, Genant HK, Peterfy CG, Conaghan PG (2015)
The Longitudinal Reliability and Responsiveness of the OMERACT Hand Osteoarthritis Magnetic Resonance Imaging Scoring System (HOAMRIS)
J Rheumatol, 42 (12), 2486-91
DOI 10.3899/jrheum.140983, PubMed 26329336

Haugen IK, Mathiessen A, Slatkowsky-Christensen B, Magnusson K, Bøyesen P, Sesseng S, van der Heijde D, Kvien TK, Hammer HB (2015)
Synovitis and radiographic progression in non-erosive and erosive hand osteoarthritis: is erosive hand osteoarthritis a separate inflammatory phenotype?
Osteoarthritis Cartilage, 24 (4), 647-54
DOI 10.1016/j.joca.2015.11.014, PubMed 26620088

Haugen IK, Slatkowsky Christensen B, Bøyesen P, Sesseng S, van der Heijde D, Kvien TK (2015)
Increasing synovitis and bone marrow lesions are associated with incident joint tenderness in hand osteoarthritis
Ann Rheum Dis, 75 (4), 702-8
DOI 10.1136/annrheumdis-2014-206829, PubMed 25755139

Kloppenburg M, Bøyesen P, Visser AW, Haugen IK, Boers M, Boonen A, Conaghan PG, Hawker GA, Kvien TK, Landewé R, Uhlig T, Smeets W, Greibrokk E, van der Heijde DM (2015)
Report from the OMERACT Hand Osteoarthritis Working Group: Set of Core Domains and Preliminary Set of Instruments for Use in Clinical Trials and Observational Studies
J Rheumatol, 42 (11), 2190-7
DOI 10.3899/jrheum.141017, PubMed 26136489

Kortekaas MC, Kwok WY, Reijnierse M, Wolterbeek R, Bøyesen P, van der Heijde D, Bloem JL, Kloppenburg M (2015)
Magnetic Resonance Imaging in Hand Osteoarthritis: Intraobserver Reliability and Criterion Validity for Clinical and Structural Characteristics
J Rheumatol, 42 (7), 1224-30
DOI 10.3899/jrheum.140338, PubMed 25979715

Visser AW, Bøyesen P, Haugen IK, Schoones JW, van der Heijde DM, Rosendaal FR, Kloppenburg M (2015)
Instruments Measuring Pain, Physical Function, or Patient's Global Assessment in Hand Osteoarthritis: A Systematic Literature Search
J Rheumatol, 42 (11), 2118-34
DOI 10.3899/jrheum.141228, PubMed 26472412

Østergaard M, Bird P, Gandjbakhch F, Eshed I, Haugen IK, Haavardsholm EA, Lillegraven S, Foltz V, Glinatsi D, Peterfy C, Ejbjerg B, Bøyesen P, Mease PJ, Hermann KG, Emery P, Genant HK, Conaghan PG (2015)
The OMERACT MRI in Arthritis Working Group - Update on Status and Future Research Priorities
J Rheumatol, 42 (12), 2470-2
DOI 10.3899/jrheum.141248, PubMed 25684771

Publications 2014

Eshed I, Krabbe S, Østergaard M, Bøyesen P, Møller JM, Therkildsen F, Madsen OR, Axelsen M, Pedersen SJ (2014)
Influence of field strength, coil type and image resolution on assessment of synovitis by unenhanced MRI--a comparison with contrast-enhanced MRI
Eur Radiol, 25 (4), 1059-67
DOI 10.1007/s00330-014-3470-9, PubMed 25537977

Haugen IK, Slatkowsky-Christensen B, Bøyesen P, Sesseng S, van der Heijde D, Kvien TK (2014)
MRI findings predict radiographic progression and development of erosions in hand osteoarthritis
Ann Rheum Dis, 75 (1), 117-23
DOI 10.1136/annrheumdis-2014-205949, PubMed 25204463

Kloppenburg M, Boyesen P, Smeets W, Haugen IK, Liu R, Visser W, van der Heijde DM (2014)
Report from the OMERACT Hand OA Special Interest Group: Advances and Future Research Priorities (vol 41, pg 810, 2014)
J. Rheumatol., 41 (5)

Kloppenburg M, Bøyesen P, Smeets W, Haugen IK, Liu R, Visser W, van der Heijde DM (2014)
Report from the OMERACT Hand Osteoarthritis Special Interest Group: advances and future research priorities
J Rheumatol, 41 (4), 810-8
DOI 10.3899/jrheum.131253, PubMed 24429165

Krabbe S, Eshed I, Pedersen SJ, Bøyesen P, Møller JM, Therkildsen F, Axelsen MB, Madsen OR, Østergaard M (2014)
Bone marrow oedema assessment by magnetic resonance imaging in rheumatoid arthritis wrist and metacarpophalangeal joints: the importance of field strength, coil type and image resolution
Rheumatology (Oxford), 53 (8), 1446-51
DOI 10.1093/rheumatology/keu029, PubMed 24659753

Visser AW, Bøyesen P, Haugen IK, Schoones JW, van der Heijde DM, Rosendaal FR, Kloppenburg M (2014)
Radiographic scoring methods in hand osteoarthritis--a systematic literature search and descriptive review
Osteoarthritis Cartilage, 22 (10), 1710-23
DOI 10.1016/j.joca.2014.05.026, PubMed 25278080

Ørnbjerg LM, Østergaard M, Bøyesen P, Krogh NS, Thormann A, Tarp U, Poulsen UE, Espesen J, Schlemmer A, Graudal N, Kollerup G, Jensen DV, Madsen OR, Glintborg B, Christensen T, Lindegaard H, Bøhme W, Hansen A, Andersen AR, Hetland ML (2014)
Which factors influence radiographic progression during treatment with tumor necrosis factor inhibitors in clinical practice? Results from 930 patients with rheumatoid arthritis in the nationwide Danish DANBIO registry
J Rheumatol, 41 (12), 2352-60
DOI 10.3899/jrheum.131299, PubMed 25274894

Publications 2013

Conaghan PG, McQueen FM, Bird P, Peterfy C, Haavardsholm E, Gandjbakhch F, Eshed I, Haugen IK, Lillegraven S, Døhn UM, Ejbjerg B, Foltz V, Coates L, Bøyesen P, Hermann KG, Freeston J, Lassere M, O'Connor P, Emery P, Genant H, Østergaard M (2013)
Update on the OMERACT magnetic resonance imaging task force: research and future directions
J Rheumatol, 41 (2), 383-5
DOI 10.3899/jrheum.131085, PubMed 24293579

Døhn UM, Conaghan PG, Eshed I, Boonen A, Boyesen P, Peterfy CG, Lillegraven S, Ejbjerg B, Gandjbakhch F, Bird P, Foltz V, Genant HK, Haavardsholm E, McQueen FM, Østergaard M (2013)
The OMERACT-RAMRIS rheumatoid arthritis magnetic resonance imaging joint space narrowing score: intrareader and interreader reliability and agreement with computed tomography and conventional radiography
J Rheumatol, 41 (2), 392-7
DOI 10.3899/jrheum.131087, PubMed 24293568

Gandjbakhch F, Haavardsholm EA, Conaghan PG, Ejbjerg B, Foltz V, Brown AK, Døhn UM, Lassere M, Freeston JE, Olsen IC, Bøyesen P, Bird P, Fautrel B, Hetland ML, Emery P, Bourgeois P, Hørslev-Petersen K, Kvien TK, McQueen FM, Østergaard M (2013)
Determining a magnetic resonance imaging inflammatory activity acceptable state without subsequent radiographic progression in rheumatoid arthritis: results from a followup MRI study of 254 patients in clinical remission or low disease activity
J Rheumatol, 41 (2), 398-406
DOI 10.3899/jrheum.131088, PubMed 24334647

Haugen IK, Slatkowsky-Christensen B, Bøyesen P, van der Heijde D, Kvien TK (2013)
Cross-sectional and longitudinal associations between radiographic features and measures of pain and physical function in hand osteoarthritis
Osteoarthritis Cartilage, 21 (9), 1191-8
DOI 10.1016/j.joca.2013.04.004, PubMed 23973130

Haugen IK, Østergaard M, Eshed I, McQueen FM, Bird P, Gandjbakhch F, Foltz V, Genant H, Peterfy C, Lillegraven S, Haavardsholm EA, Bøyesen P, Conaghan PG (2013)
Iterative development and reliability of the OMERACT hand osteoarthritis MRI scoring system
J Rheumatol, 41 (2), 386-91
DOI 10.3899/jrheum.131086, PubMed 24293570

Poggenborg RP, Bird P, Boonen A, Wiell C, Pedersen SJ, Sørensen IJ, Madsen OR, Slot O, Møller JM, Bøyesen P, Hasselquist M, Østergaard M (2013)
Pattern of bone erosion and bone proliferation in psoriatic arthritis hands: a high-resolution computed tomography and radiography follow-up study during adalimumab therapy
Scand J Rheumatol, 43 (3), 202-8
DOI 10.3109/03009742.2013.835865, PubMed 24354412

Poggenborg RP, Wiell C, Bøyesen P, Boonen A, Bird P, Pedersen SJ, Sørensen IJ, Madsen OR, Slot O, Møller JM, Hasselquist M, Kubassova O, Østergaard M (2013)
No overall damage progression despite persistent inflammation in adalimumab-treated psoriatic arthritis patients: results from an investigator-initiated 48-week comparative magnetic resonance imaging, computed tomography and radiography trial
Rheumatology (Oxford), 53 (4), 746-56
DOI 10.1093/rheumatology/ket426, PubMed 24369412

Publications 2012

Mathiessen A, Haugen IK, Slatkowsky-Christensen B, Bøyesen P, Kvien TK, Hammer HB (2012)
Ultrasonographic assessment of osteophytes in 127 patients with hand osteoarthritis: exploring reliability and associations with MRI, radiographs and clinical joint findings
Ann Rheum Dis, 72 (1), 51-6
DOI 10.1136/annrheumdis-2011-201195, PubMed 22523427

Ornbjerg LM, Ostergaard M, Bøyesen P, Krogh NS, Thormann A, Tarp U, Poulsen UE, Espesen J, Ringsdal VS, Graudal N, Kollerup G, Jensen DV, Madsen OR, Glintborg B, Christensen T, Lindegaard H, Dencker D, Hansen A, Andersen AR, Hetland ML (2012)
Impact of tumour necrosis factor inhibitor treatment on radiographic progression in rheumatoid arthritis patients in clinical practice: results from the nationwide Danish DANBIO registry
Ann Rheum Dis, 72 (1), 57-63
DOI 10.1136/annrheumdis-2012-201319, PubMed 22532636

Publications 2011

Bøyesen P, McQueen FM, Gandjbakhch F, Lillegraven S, Coates L, Wiell C, Haavardsholm EA, Conaghan PG, Peterfy CG, Bird P, Ostergaard M (2011)
The OMERACT Psoriatic Arthritis Magnetic Resonance Imaging Score (PsAMRIS) is reliable and sensitive to change: results from an OMERACT workshop
J Rheumatol, 38 (9), 2034-8
DOI 10.3899/jrheum.110420, PubMed 21885513

Conaghan PG, McQueen FM, Bird P, Peterfy CG, Haavardsholm EA, Gandjbakhch F, Bøyesen P, Coates L, Ejbjerg B, Eshed I, Foltz V, Hermann KG, Freeston J, Lillegraven S, Lassere M, Wiell C, Anandarajah A, Duer-Jensen A, O'Connor P, Genant HK, Emery P, Ostergaard M (2011)
Update on research and future directions of the OMERACT MRI inflammatory arthritis group
J Rheumatol, 38 (9), 2031-3
DOI 10.3899/jrheum.110419, PubMed 21885512

Gandjbakhch F, Conaghan PG, Ejbjerg B, Haavardsholm EA, Foltz V, Brown AK, Møller Døhn U, Lassere M, Freeston J, Bøyesen P, Bird P, Fautrel B, Hetland ML, Emery P, Bourgeois P, Hørslev-Petersen K, Kvien TK, McQueen F, Ostergaard M (2011)
Synovitis and osteitis are very frequent in rheumatoid arthritis clinical remission: results from an MRI study of 294 patients in clinical remission or low disease activity state
J Rheumatol, 38 (9), 2039-44
DOI 10.3899/jrheum.110421, PubMed 21885514

Haugen IK, Bøyesen P (2011)
Imaging modalities in hand osteoarthritis--and perspectives of conventional radiography, magnetic resonance imaging, and ultrasonography
Arthritis Res Ther, 13 (6), 248
DOI 10.1186/ar3509, PubMed 22189142

Haugen IK, Bøyesen P, Slatkowsky-Christensen B, Sesseng S, Bijsterbosch J, van der Heijde D, Kvien TK (2011)
Comparison of features by MRI and radiographs of the interphalangeal finger joints in patients with hand osteoarthritis
Ann Rheum Dis, 71 (3), 345-50
DOI 10.1136/annrheumdis-2011-200028, PubMed 21989543

Haugen IK, Bøyesen P, Slatkowsky-Christensen B, Sesseng S, van der Heijde D, Kvien TK (2011)
Associations between MRI-defined synovitis, bone marrow lesions and structural features and measures of pain and physical function in hand osteoarthritis
Ann Rheum Dis, 71 (6), 899-904
DOI 10.1136/annrheumdis-2011-200341, PubMed 22121126

Haugen IK, Lillegraven S, Slatkowsky-Christensen B, Haavardsholm EA, Sesseng S, Kvien TK, van der Heijde D, Bøyesen P (2011)
Hand osteoarthritis and MRI: development and first validation step of the proposed Oslo Hand Osteoarthritis MRI score
Ann Rheum Dis, 70 (6), 1033-8
DOI 10.1136/ard.2010.144527, PubMed 21436160

Lillegraven S, Bøyesen P, Hammer HB, Østergaard M, Uhlig T, Sesseng S, Kvien TK, Haavardsholm EA (2011)
Tenosynovitis of the extensor carpi ulnaris tendon predicts erosive progression in early rheumatoid arthritis
Ann Rheum Dis, 70 (11), 2049-50
DOI 10.1136/ard.2011.151316, PubMed 21515919

Ostergaard M, Bøyesen P, Eshed I, Gandjbakhch F, Lillegraven S, Bird P, Foltz V, Boonen A, Lassere M, Hermann KG, Anandarajah A, Døhn UM, Freeston J, Peterfy CG, Genant HK, Haavardsholm EA, McQueen FM, Conaghan PG (2011)
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
J Rheumatol, 38 (9), 2045-50
DOI 10.3899/jrheum.110422, PubMed 21885515

Vis M, Haavardsholm EA, Bøyesen P, Haugeberg G, Uhlig T, Hoff M, Woolf A, Dijkmans B, Lems W, Kvien TK (2011)
High incidence of vertebral and non-vertebral fractures in the OSTRA cohort study: a 5-year follow-up study in postmenopausal women with rheumatoid arthritis
Osteoporos Int, 22 (9), 2413-9
DOI 10.1007/s00198-010-1517-6, PubMed 21229234

Publications 2010

Bøyesen P (2010)
Clinical, serological and imaging assessments of inflammation as predictors of joint damage in patients with rheumatoid arthritis of short duration
In Series of dissertations submitted to the Faculty of Medicine, University of Oslo, Unipub, Oslo, no. 961, 1 b. (flere pag.)
BIBSYS 10128778x, ISBN 978-82-8072-596-7

Bøyesen P, Haavardsholm EA, Ostergaard M, van der Heijde D, Sesseng S, Kvien TK (2010)
MRI in early rheumatoid arthritis: synovitis and bone marrow oedema are independent predictors of subsequent radiographic progression
Ann Rheum Dis, 70 (3), 428-33
DOI 10.1136/ard.2009.123950, PubMed 20810395

Bøyesen P, Haavardsholm EA, van der Heijde D, Østergaard M, Hammer HB, Sesseng S, Kvien TK (2010)
Prediction of MRI erosive progression: a comparison of modern imaging modalities in early rheumatoid arthritis patients
Ann Rheum Dis, 70 (1), 176-9
DOI 10.1136/ard.2009.126953, PubMed 21068093

Hoff M, Bøyesen P, Haugeberg G, Vis M, Woolf AD, Havaardsholm EA, Dijkmans BA, Kvien TK, Uhlig T, Lems WF (2010)
High disease activity is a predictor of cortical hand bone loss in post-menopausal patients with established rheumatoid arthritis: a 5-year multicentre longitudinal study
Rheumatology (Oxford), 49 (9), 1676-82
DOI 10.1093/rheumatology/keq125, PubMed 20463187

Syversen SW, Haavardsholm EA, Bøyesen P, Goll GL, Okkenhaug C, Gaarder PI, van der Heijde D, Kvien TK (2010)
Biomarkers in early rheumatoid arthritis: longitudinal associations with inflammation and joint destruction measured by magnetic resonance imaging and conventional radiographs
Ann Rheum Dis, 69 (5), 845-50
DOI 10.1136/ard.2009.122325, PubMed 20233753

Publications 2009

Bøyesen P, Hoff M, Odegård S, Haugeberg G, Syversen SW, Gaarder PI, Okkenhaug C, Kvien TK (2009)
Antibodies to cyclic citrullinated protein and erythrocyte sedimentation rate predict hand bone loss in patients with rheumatoid arthritis of short duration: a longitudinal study
Arthritis Res Ther, 11 (4), R103
DOI 10.1186/ar2749, PubMed 19570223

Conaghan PG, Bird P, McQueen F, Peterfy C, Bøyesen P, Gandjbakhch F, Duer-Jensen A, Haavardsholm EA, Ejbjerg B, Wiell C, Coates L, Hermann KG, O'Connor P, Lassere M, Freeston JE, Anandarajah A, Genant H, Emery P, Ostergaard M (2009)
The OMERACT MRI inflammatory arthritis group: advances and future research priorities
J Rheumatol, 36 (8), 1803-5
DOI 10.3899/jrheum.090349, PubMed 19671816

Hammer HB, Haavardsholm EA, Bøyesen P, Kvien TK (2009)
Bone erosions at the distal ulna detected by ultrasonography are associated with structural damage assessed by conventional radiography and MRI: a study of patients with recent onset rheumatoid arthritis
Rheumatology (Oxford), 48 (12), 1530-2
DOI 10.1093/rheumatology/kep283, PubMed 19773407

McQueen F, Lassere M, Duer-Jensen A, Wiell C, Conaghan PG, Gandjbakhch F, Hermann KG, Bird P, Bøyesen P, Peterfy C, Ejbjerg B, Haavardsholm EA, Coates L, Ostergaard M (2009)
Testing an OMERACT MRI scoring system for peripheral psoriatic arthritis in cross-sectional and longitudinal settings
J Rheumatol, 36 (8), 1811-5
DOI 10.3899/jrheum.090351, PubMed 19671818

Ostergaard M, McQueen F, Wiell C, Bird P, Bøyesen P, Ejbjerg B, Peterfy C, Gandjbakhch F, Duer-Jensen A, Coates L, Haavardsholm EA, Hermann KG, Lassere M, O'Connor P, Emery P, Genant H, Conaghan PG (2009)
The OMERACT psoriatic arthritis magnetic resonance imaging scoring system (PsAMRIS): definitions of key pathologies, suggested MRI sequences, and preliminary scoring system for PsA Hands
J Rheumatol, 36 (8), 1816-24
DOI 10.3899/jrheum.090352, PubMed 19671819

Publications 2008

Haavardsholm EA, Østergaard M, Hammer HB, Bøyesen P, Boonen A, van der Heijde D, Kvien TK (2008)
Monitoring anti-TNFalpha treatment in rheumatoid arthritis: responsiveness of magnetic resonance imaging and ultrasonography of the dominant wrist joint compared with conventional measures of disease activity and structural damage
Ann Rheum Dis, 68 (10), 1572-9
DOI 10.1136/ard.2008.091801, PubMed 19019893

Syversen SW, Goll GL, Haavardsholm EA, Bøyesen P, Lea T, Kvien TK (2008)
A high serum level of eotaxin (CCL 11) is associated with less radiographic progression in early rheumatoid arthritis patients
Arthritis Res Ther, 10 (2), R28
DOI 10.1186/ar2381, PubMed 18312691

Publications 2007

Haavardsholm EA, Bøyesen P, Østergaard M, Schildvold A, Kvien TK (2007)
Magnetic resonance imaging findings in 84 patients with early rheumatoid arthritis: bone marrow oedema predicts erosive progression
Ann Rheum Dis, 67 (6), 794-800
DOI 10.1136/ard.2007.071977, PubMed 17981915