Publications 2024

Bøyesen P, Kirkhus E (2024)
Can whole-body MRI assessment replace clinical joint examination in assessing disease activity in children with juvenile idiopathic arthritis?
Rheumatology (Oxford) (in press)
DOI 10.1093/rheumatology/keae329, PubMed 38897666

Essouma M, de Araujo DB, Day J, Conticini E, Riopel MA, Elias AM, Paula VT, Omori CH, Guimarães JB, Gibson D, Saad-Magalhaes C, Appenzeller S, Schiffenbauer A, Machado PM, Feldman BM, Paik JJ, Christopher-Stine L, Rider LG, Reed A, van der Kooi AJ, Marrani E, Naddaf E, Kirkhus E, Sanner H, Bauer-Ventura I et al. (2024)
A protocol for scoping reviews on the role of whole-body and dedicated body-part magnetic resonance imaging for assessment of adult and juvenile idiopathic inflammatory myopathies
Rheumatol Int, 44 (11), 2403-2409
DOI 10.1007/s00296-024-05649-7, PubMed 38976028

Panwar J, Tolend M, Kirkhus E, Meyers AB, Redd B, Sudol-Szopinska I, Varma N, Inarejos Clemente EJ, Colbert RA, Akikusa J, Appenzeller S, Carrino JA, Herregods N, Highmore K, Jans L, Jaremko JL, von Kalle T, van Rossum MA, Rumsey DG, Srinivasalu H, Stimec J, Tse SM, Twilt M, Tzaribachev N, Doria AS (2024)
Reliability assessment of the OMERACT whole-body magnetic resonance imaging scoring system for juvenile idiopathic arthritis
Semin Arthritis Rheum, 66, 152437
DOI 10.1016/j.semarthrit.2024.152437, PubMed 38564998

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

Midthun P, Kirkhus E, Østerås BH, Høiness PR, England A, Johansen S (2023)
Metal artifact reduction on musculoskeletal CT: a phantom and clinical study
Eur Radiol Exp, 7 (1), 46
DOI 10.1186/s41747-023-00354-9, PubMed 37524994

Otobo TM, Tolend M, Meyers AB, Sudol-Szopinska I, Joshi S, Stimec J, Herregods N, Jaremko JL, Tse SML, Haroon N, Moineddin R, Tzaribachev N, Appenzeller S, Znajdek M, Perez M, Ligha AE, Jans L, Inarejos Clemente EJ, Weiss P, Papakonstantinou O, Kirkhus E, van Rossum MAJ, Rumsey DG, Carrino J, Akikusa JD et al. (2023)
Determination of Relative Weightings for Sacroiliac Joint Pathologies in the OMERACT Juvenile Arthritis Magnetic Resonance Imaging Sacroiliac Joint Score
J Clin Med, 12 (7)
DOI 10.3390/jcm12072729, PubMed 37048812

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

Publications 2022

Rustad CF, Tveten K, Braathen GJ, Merckoll E, Kirkhus E, Fossmo HL, Ørstavik K (2022)
A woman in her fifties with chronic muscle weakness
Tidsskr Nor Laegeforen, 142 (1)
DOI 10.4045/tidsskr.21.0038, PubMed 35026081

Rustad CF, Tveten K, Braathen GJ, Merckoll E, Kirkhus E, Fossmo HL, Ørstavik K (2022)
[Correction: A woman in her fifties with chronic muscle weakness]
Tidsskr Nor Laegeforen, 142 (2)
DOI 10.4045/tidsskr.22.0032, PubMed 35107936

Publications 2021

Herregods N, Maksymowych WP, Jans L, Otobo TM, Sudoł-Szopińska I, Meyers AB, Van Rossum M, Kirkhus E, Panwar J, Appenzeller S, Weiss P, Tse S, Doria AS, Lambert R, Jaremko JL (2021)
Atlas of MRI findings of sacroiliitis in pediatric sacroiliac joints to accompany the updated preliminary OMERACT pediatric JAMRIS (Juvenile Idiopathic Arthritis MRI Score) scoring system: Part I: Active lesions
Semin Arthritis Rheum, 51 (5), 1089-1098
DOI 10.1016/j.semarthrit.2021.07.003, PubMed 34311986

Herregods N, Maksymowych WP, Jans L, Otobo TM, Sudoł-Szopińska I, Meyers AB, Van Rossum M, Kirkhus E, Panwar J, Appenzeller S, Weiss P, Tse S, Doria AS, Lambert R, Jaremko JL (2021)
Atlas of MRI findings of sacroiliitis in pediatric sacroiliac joints to accompany the updated preliminary OMERACT pediatric JAMRIS (Juvenile Idiopathic Arthritis MRI Score) scoring system: Part II: Structural damage lesions
Semin Arthritis Rheum, 51 (5), 1099-1107
DOI 10.1016/j.semarthrit.2021.07.009, PubMed 34311987

Otobo TM, Herregods N, Jaremko JL, Sudol-Szopinska I, Maksymowych WP, Meyers AB, Weiss P, Tse S, Paschke J, Moineddin R, Haroon N, Tzaribachev N, Appenzeller S, Papakonstantinou O, Kirkhus E, van Rossum MAJ, Carrino J, Conaghan PG, Tolend M, Stimec J, Jans L, Lambert RG, Rumsey D, Doria AS (2021)
Reliability of the Preliminary OMERACT Juvenile Idiopathic Arthritis MRI Score (OMERACT JAMRIS-SIJ)
J Clin Med, 10 (19)
DOI 10.3390/jcm10194564, PubMed 34640579

Panwar J, Tolend M, Redd B, Srinivasalu H, Colbert RA, Akikusa J, Appenzeller S, Carrino JA, Herregods N, Jans L, Highmore K, von Kalle T, Kirkhus E, Rumsey DG, Jaremko JL, Clemente IEJ, van Rossum MA, Stimec J, Tse SM, Twilt M, Tzaribachev N, Sudol-Szopinska I, Meyers AB, Doria AS (2021)
Consensus-driven conceptual development of a standardized whole body-MRI scoring system for assessment of disease activity in juvenile idiopathic arthritis: MRI in JIA OMERACT working group
Semin Arthritis Rheum, 51 (6), 1350-1359
DOI 10.1016/j.semarthrit.2021.07.017, PubMed 34465447

Tolend M, Doria AS, Meyers AB, Larheim TA, Abramowicz S, Aguet J, Appenzeller S, Arvidsson LZ, Averill LW, Feldman BM, Guleria S, Inarejos Clemente EJ, Jaremko JL, Junhasavasdikul T, von Kalle T, Kirkhus E, Koos B, Miller E, Moineddin R, Panwar J, Peacock ZS, Resnick CM, van Rossum MA, Stimec J, Tomlinson G et al. (2021)
Assessing the Reliability of the OMERACT Juvenile Idiopathic Arthritis Magnetic Resonance Scoring System for Temporomandibular Joints (JAMRIS-TMJ)
J Clin Med, 10 (18)
DOI 10.3390/jcm10184047, PubMed 34575158

Tolend M, Junhasavasdikul T, Cron RQ, Inarejos Clemente EJ, von Kalle T, Kellenberger CJ, Koos B, Miller E, van Rossum MA, Saurenmann RK, Spiegel L, Stimec J, Twilt M, Tzaribachev N, Abramowicz S, Appenzeller S, Arvidsson LZ, Guleria S, Jaremko JL, Kirkhus E, Larheim TA, Meyers AB, Panwar J, Resnick CM, Shelmerdine SC et al. (2021)
Discrete Choice Experiment on a Magnetic Resonance Imaging Scoring System for Temporomandibular Joints in Juvenile Idiopathic Arthritis
Arthritis Care Res (Hoboken), 74 (2), 308-316
DOI 10.1002/acr.24577, PubMed 33555146

Publications 2020

Berntsen KS, Raastad T, Marstein H, Kirkhus E, Merckoll E, Cumming KT, Flatø B, Sjaastad I, Sanner H (2020)
Functional and Structural Adaptations of Skeletal Muscle in Long-Term Juvenile Dermatomyositis: A Controlled Cross-Sectional Study
Arthritis Rheumatol, 72 (5), 837-848
DOI 10.1002/art.41174, PubMed 31746550

Frid P, Augdal TA, Larheim TA, Halbig J, Rypdal V, Songstad NT, Rosén A, Tylleskär KB, Berstad JR, Flatø B, Stoustrup P, Rosendahl K, Kirkhus E, Nordal E (2020)
Efficacy and safety of intraarticular corticosteroid injections in adolescents with juvenile idiopathic arthritis in the temporomandibular joint: a Norwegian 2-year prospective multicenter pilot study
Pediatr Rheumatol Online J, 18 (1), 75
DOI 10.1186/s12969-020-00464-3, PubMed 32998740

Orstavik K, Kirkhus E, Hovland M (2020)
Powerful attachments in a rare condition
Tidsskr. Nor. Laegeforen., 140 (16), 1671

Panwar J, Patel H, Tolend M, Akikusa J, Herregods N, Highmore K, Inarejos Clemente EJ, Jans L, Jaremko JL, von Kalle T, Kirkhus E, Meyers AB, van Rossum MA, Rumsey DG, Stimec J, Tse SM, Twilt M, Tzaribachev N, Doria AS (2020)
Toward Developing a Semiquantitative Whole Body-MRI Scoring for Juvenile Idiopathic Arthritis: Critical Appraisal of the State of the Art, Challenges, and Opportunities
Acad Radiol, 28 (2), 271-286
DOI 10.1016/j.acra.2020.01.022, PubMed 32139304

Ørstavik K, Kirkhus E, Hovland M (2020)
[Hypertrophic calves in a rare condition]
Tidsskr Nor Laegeforen, 140 (16)
DOI 10.4045/tidsskr.20.0505, PubMed 33172251

Publications 2019

Otobo TM, Conaghan PG, Maksymowych WP, van der Heijde D, Weiss P, Sudol-Szopinska I, Herregods N, Jaremko JL, Meyers AB, Rumsey D, Inarejos EC, Kirkhus E, Stimec J, Panwar J, Thorpe K, Jans L, van Rossum MA, Tolend M, Perez M, Tzaribachev N, Sandhya P, Tse S, Simone A, Swami VG, Touma Z et al. (2019)
Preliminary Definitions for Sacroiliac Joint Pathologies in the OMERACT Juvenile Idiopathic Arthritis Magnetic Resonance Imaging Score (OMERACT JAMRIS-SIJ)
J Rheumatol, 46 (9), 1192-1197
DOI 10.3899/jrheum.181115, PubMed 30770500

Solbakken G, Bjørnarå B, Kirkhus E, Nguyen B, Hansen G, Frich JC, Ørstavik K (2019)
MRI of trunk muscles and motor and respiratory function in patients with myotonic dystrophy type 1
BMC Neurol, 19 (1), 135
DOI 10.1186/s12883-019-1357-8, PubMed 31216995

Vanem TT, Böker T, Sandvik GF, Kirkhus E, Smith HJ, Andersen K, Drolsum L, Lundby R, Røe C, Krohg-Sørensen K, Geiran OR, Paus B, Rand-Hendriksen S (2019)
Marfan syndrome: Evolving organ manifestations-A 10-year follow-up study
Am J Med Genet A, 182 (2), 397-408
DOI 10.1002/ajmg.a.61441, PubMed 31825148

Publications 2018

Kellenberger CJ, Abramowicz S, Arvidsson LZ, Kirkhus E, Tzaribachev N, Larheim TA (2018)
Recommendations for a Standard Magnetic Resonance Imaging Protocol of Temporomandibular Joints in Juvenile Idiopathic Arthritis
J Oral Maxillofac Surg, 76 (12), 2463-2465
DOI 10.1016/j.joms.2018.06.027, PubMed 30028954

Miller E, Inarejos Clemente EJ, Tzaribachev N, Guleria S, Tolend M, Meyers AB, von Kalle T, Stimec J, Koos B, Appenzeller S, Arvidsson LZ, Kirkhus E, Doria AS, Kellenberger CJ, Larheim TA (2018)
Imaging of temporomandibular joint abnormalities in juvenile idiopathic arthritis with a focus on developing a magnetic resonance imaging protocol
Pediatr Radiol, 48 (6), 792-800
DOI 10.1007/s00247-017-4005-8, PubMed 29766249

Publications 2017

Andersson H, Kirkhus E, Garen T, Walle-Hansen R, Merckoll E, Molberg Ø (2017)
Comparative analyses of muscle MRI and muscular function in anti-synthetase syndrome patients and matched controls: a cross-sectional study
Arthritis Res Ther, 19 (1), 17
DOI 10.1186/s13075-017-1219-y, PubMed 28122635

Berntsen KS, Tollisen A, Schwartz T, Kirkhus E, Aaløkken TM, Lund MB, Flatø B, Sjaastad I, Sanner H (2017)
Submaximal Exercise Capacity in Juvenile Dermatomyositis after Longterm Disease: The Contribution of Muscle, Lung, and Heart Involvement
J Rheumatol, 44 (6), 827-834
DOI 10.3899/jrheum.160997, PubMed 28365577

Selvaag AM, Kirkhus E, Törnqvist L, Lilleby V, Aulie HA, Flatø B (2017)
Radiographic damage in hands and wrists of patients with juvenile idiopathic arthritis after 29 years of disease duration
Pediatr Rheumatol Online J, 15 (1), 20
DOI 10.1186/s12969-017-0151-7, PubMed 28399930

Publications 2016

Kirkhus E, Gunderson RB, Smith HJ, Flatø B, Hetlevik SO, Larheim TA, Arvidsson LZ (2016)
Temporomandibular joint involvement in childhood arthritis: comparison of ultrasonography-assessed capsular width and MRI-assessed synovitis
Dentomaxillofac Radiol, 45 (8), 20160195
DOI 10.1259/dmfr.20160195, PubMed 27383060

Publications 2015

Kirkhus E, Arvidsson LZ, Smith HJ, Flatø B, Hetlevik SO, Larheim TA (2015)
Disk abnormality coexists with any degree of synovial and osseous abnormality in the temporomandibular joints of children with juvenile idiopathic arthritis
Pediatr Radiol, 46 (3), 331-41
DOI 10.1007/s00247-015-3493-7, PubMed 26637998

Larheim TA, Doria AS, Kirkhus E, Parra DA, Kellenberger CJ, Arvidsson LZ (2015)
TMJ imaging in JIA patients-An overview
Semin. Orthod., 21 (2), 102-110
DOI 10.1053/j.sodo.2015.02.006

Publications 2014

Midtvedt Ø, Gran JT, Solheim H, Kirkhus E, Spetalen S (2014)
[A man in his forties with swelling in both orbits]
Tidsskr Nor Laegeforen, 134 (15), 1472-6
DOI 10.4045/tidsskr.13.0115, PubMed 25138406

Midtvedt Ø, Gran JT, Solheim H, Kirkhus E, Spetalen S (2014)
[Ø. Midtvedt and colleagues reply]
Tidsskr Nor Laegeforen, 134 (19), 1823
DOI 10.4045/tidsskr.14.1151, PubMed 25314975

Publications 2011

Lundby R, Kirkhus E, Rand-Hendriksen S, Hald J, Pripp AH, Smith HJ (2011)
CT of the hips in the investigation of protrusio acetabuli in Marfan syndrome. A case control study
Eur Radiol, 21 (7), 1485-91
DOI 10.1007/s00330-011-2073-y, PubMed 21318473

Publications 2010

Kirkhus E, Flatø B, Riise O, Reiseter T, Smith HJ (2010)
Differences in MRI findings between subgroups of recent-onset childhood arthritis
Pediatr Radiol, 41 (4), 432-40
DOI 10.1007/s00247-010-1897-y, PubMed 21136049

Sanner H, Kirkhus E, Merckoll E, Tollisen A, Røisland M, Lie BA, Taraldsrud E, Gran JT, Flatø B (2010)
Long-term muscular outcome and predisposing and prognostic factors in juvenile dermatomyositis: A case-control study
Arthritis Care Res (Hoboken), 62 (8), 1103-11
DOI 10.1002/acr.20203, PubMed 20506141

Publications 2009

Høiness PR, Kirkhus E (2009)
Grice arthrodesis in the treatment of valgus feet in children with myelomeningocele: a 12.8-year follow-up study
J Child Orthop, 3 (4), 283-90
DOI 10.1007/s11832-009-0183-8, PubMed 19533196

Publications 2008

Riise ØR, Handeland KS, Cvancarova M, Wathne KO, Nakstad B, Abrahamsen TG, Kirkhus E, Flatø B (2008)
Incidence and characteristics of arthritis in Norwegian children: a population-based study
Pediatrics, 121 (2), e299-306
DOI 10.1542/peds.2007-0291, PubMed 18227193

Riise ØR, Kirkhus E, Handeland KS, Flatø B, Reiseter T, Cvancarova M, Nakstad B, Wathne KO (2008)
Childhood osteomyelitis-incidence and differentiation from other acute onset musculoskeletal features in a population-based study
BMC Pediatr, 8, 45
DOI 10.1186/1471-2431-8-45, PubMed 18937840

Publications 2006

Kirkhus E, Bjørnerud A, Thoen J, Johnston V, Dale K, Smith HJ (2006)
Contrast-enhanced dynamic magnetic resonance imaging of finger joints in osteoarthritis and rheumatoid arthritis: an analysis based on pharmacokinetic modeling
Acta Radiol, 47 (8), 845-51
DOI 10.1080/02841850600838210, PubMed 17050366