Overview
Juvenile idiopathic arthritis (JIA) is a group of chronic inflammatory arthritis conditions affecting individuals under 16 years of age, encompassing various subtypes including oligoarticular, polyarticular, systemic, and enthesitis-related arthritis. 1815Diagnosis
Management
Special Populations
Key Recommendations
References
Showing 100 most recent of 312 indexed papers.
1 Morel Z, Espada G, Eraso R, Silva CA, Gutiérrez-Suárez R, Franco L et al.. Pan American League of Associations for Rheumatology: Recommendations for the Treatment of Oligoarticular Juvenile Idiopathic Arthritis. Journal of clinical rheumatology : practical reports on rheumatic & musculoskeletal diseases 2026. link 2 Hassan W, Mosa DM, Faleye A, Libe TT, Palalane E, Migowa A et al.. PAFLAR guidelines for oligoarticular juvenile idiopathic arthritis. Clinical rheumatology 2026. link 3 Huhtanen A, Mathew A, Lewis C, Martin T, Piano M, Hui F. Evaluating a collaborative paediatric eye-care model between optometry and ophthalmology: a clinical audit. Clinical & experimental optometry 2026. link 4 Hamdi W, Migowa A, Ferjani HL, Makhloufi CD, Makhlouf Y, Nasef SI et al.. Pediatric Society of the African League Against Rheumatism juvenile idiopathic arthritis recommendations for enthesitis-related arthritis and juvenile psoriatic arthritis. Clinical rheumatology 2025. link 5 Öksel A, Sönmez HE, Şahin N. Biosimilars in pediatric rheumatology: innovations, challenges, and opportunities. Expert opinion on biological therapy 2025. link 6 Inoue Y, Kishi T, Sato T, Yamazaki K, Iwata S, Abe A et al.. Telemedicine for paediatric rheumatic diseases in Japan: a national survey of physicians' perspectives. Modern rheumatology 2025. link 7 Tarkiainen M, Balay-Dustrude E, Consolaro A, Morgan EM, Ruperto N, Rypdal V et al.. Factors for Consideration by Pediatric Rheumatologists When Scoring the Physician Global Assessment of Disease Activity in Juvenile Idiopathic Arthritis: First Step Toward an Internal Consensus. Arthritis care & research 2025. link 8 Gutiérrez-Suárez R, Appenzeller S, Silva CA, Fonseca AR, Morel Z, Eraso R et al.. Treatment of polyarticular juvenile idiopathic arthritis in Latin America: recommendations from the Pan-American League of Associations for Rheumatology. The Lancet. Child & adolescent health 2025. link00122-1) 9 Weiss PF, Brandon TG, Aggarwal A, Burgos-Vargas R, Colbert RA, Horneff G et al.. Do the Provisional Paediatric Rheumatology International Trials Organisation Enthesitis/Spondylitis-Related Juvenile Idiopathic Arthritis Criteria Capture Youth With Axial Spondyloarthritis?. Arthritis care & research 2025. link 10 Şahin N, Şahin NÜ, Tütüncü Toker R, Öksel A, Karalı Y. Assessment of parental health literacy in children referred to pediatric rheumatology for musculoskeletal pain. Pediatrics international : official journal of the Japan Pediatric Society 2025. link 11 James S, Lolacher L, Hodge K, Slavec J, Draper A, McPhate N et al.. Mental health screening in pediatric rheumatology: a feasibility study. Pediatric rheumatology online journal 2025. link 12 La Bella S, Bayraktar D, Porreca A, Li LC, Attanasi M, Aliyev E et al.. Global variations in artificial intelligence-generated information on juvenile idiopathic arthritis. Rheumatology (Oxford, England) 2025. link 13 Küçükali B, Yıldız Ç, Gülle BT, Gezgin Yıldırım D, Bakkaloğlu SA. Evaluation of ILAR and PRINTO classifications for juvenile idiopathic arthritis: oligoarticular JIA vs early-onset ANA-positive JIA. Clinical rheumatology 2025. link 14 Hamdi W, Ben Nessib D, Hashad S, Owino L, Etayari H, Kharrat L et al.. Comparison of international league of associations for rheumatology and pediatric rheumatology international trials organization classification criteria for juvenile idiopathic arthritis: insights from an African multicenter cohort. European journal of pediatrics 2025. link 15 Miyamae T, Okamoto N, Inoue Y, Kubota T, Ebato T, Irabu H et al.. Recommendations for the treatment of juvenile idiopathic arthritis with oligoarthritis or polyarthritis from the 2024 update of the Japan College of Rheumatology Clinical Practice Guidelines for the management of rheumatoid arthritis including juvenile idiopathic arthritis with oligoarthritis or polyarthritis - secondary publication. Modern rheumatology 2025. link 16 Putri KG, Sampath S, Richardson CL, McCloskey A, Rathbone AP. A qualitative study exploring experiences of treatment in paediatric rheumatology - children's, young people's, parents' and carers' perspectives. Pediatric rheumatology online journal 2025. link 17 Terrazas AML, Suárez RG, Campos RT, Len CA, Aikawa NE, Fernandez JD et al.. A real-life study of juvenile idiopathic arthritis from two Brazilian referral centers for pediatric rheumatology. Advances in rheumatology (London, England) 2025. link 18 Rypdal V, Brunner HI, Feldman BM, Ruperto N, Aggarwal A, Angeles-Han ST et al.. Physician's global assessment of disease activity in juvenile idiopathic arthritis: consensus-based recommendations from an international task force. Annals of the rheumatic diseases 2025. link 19 Xiao P, Wei B, Zhang G, Zhang X, Wan H, Qi Y et al.. Evaluation of the real-world safety of Canakinumab in the treatment of systemic juvenile idiopathic arthritis in children aged 0-16: a comprehensive analysis based on FAERS data. Pediatric rheumatology online journal 2025. link 20 Huynh A, Buckle J, Cox A, Czerniecki L, Gowdie P, Renton W et al.. The transition process for paediatric rheumatology clinic patients at a single tertiary paediatric rheumatology centre in Australia. Journal of paediatrics and child health 2024. link 21 Balik Z, Şener S, Bayindir Y, Kasap Cüceoğlu M, Aliyev E, Başaran Ö et al.. Telemedicine in pediatric rheumatology: the video pediatric gait, arms, legs, and spine (v-pGALS) examination. Turkish journal of medical sciences 2024. link 22 Vermé A, Wenemark M, Jungner JG, Broström E, Bartholdson C. Ready to leave? - Adolescents' and parents' perceptions of transition from paediatric to adult rheumatology care. BMC health services research 2024. link 23 Costello A, Twilt M, Lerman MA. Provider assessment of the temporomandibular joint in Juvenile idiopathic arthritis: a retrospective analysis from the CARRA database. Pediatric rheumatology online journal 2024. link 24 Pan N, Sadun RE, Lerman MA, Resnick CM, Bost JE, Stoustrup P et al.. A randomized controlled educational study to evaluate an e-learning module to teach the physical examination of the temporomandibular joint in juvenile idiopathic arthritis. Pediatric rheumatology online journal 2024. link 25 Balay-Dustrude E, Christensen R, Consolaro A, Ingrid Goh Y, Gottlieb BS, Horgan B et al.. Defining patient perception of overall well-being and disease activity in the OMERACT Juvenile Idiopathic Arthritis (JIA) core domain set: A report from the JIA working group. Seminars in arthritis and rheumatism 2024. link 26 Ede K, Shishov M, Wershba E, Goswami N, Gorry S, Joseph M et al.. Screening for juvenile idiopathic arthritis associated uveitis with laser flare photometry in the pediatric rheumatology office: a prospective observational study. Pediatric rheumatology online journal 2024. link 27 Catarino S, Nunes J, Ganhão S, Aguiar F, Rodrigues M, Brito I. Application of the new PRINTO classification criteria for juvenile idiopathic arthritis in a sample of Portuguese patients. ARP rheumatology 2024. link 28 Butler S, Sculley D, Santos D, Girones X, Singh-Grewal D, Coda A. Paediatric Rheumatology Fails to Meet Current Benchmarks, a Call for Health Equity for Children Living with Juvenile Idiopathic Arthritis, Using Digital Health Technologies. Current rheumatology reports 2024. link 29 Semalulu T, Berard R, Beattie K, Basodan D, Boire G, Bolaria R et al.. Clinical Characteristics of Adolescents With Juvenile Idiopathic Arthritis Transitioning to Adult Rheumatology Care in Canada: Results From the CAPRI Registry. The Journal of rheumatology 2024. link 30 Tan X, Zhao X, Deng J, Li C, Zhang J, Li S et al.. Evaluating treatment practices and challenges in systemic Juvenile Idiopathic Arthritis: a comprehensive survey analysis. Clinical rheumatology 2024. link 31 Shoop-Worrall SJW, Macintyre VG, Ciurtin C, Cleary G, McErlane F, Wedderburn LR et al.. Overlap of International League of Associations for Rheumatology and Preliminary Pediatric Rheumatology International Trials Organization Classification Criteria for Nonsystemic Juvenile Idiopathic Arthritis in an Established UK Multicentre Inception Cohort. Arthritis care & research 2024. link 32 Yıldız Ç, Küçükali B, C SSB, Şenol PE, Kutlar M, Belder N et al.. Intraarticular corticosteroid injections in pediatric rheumatology: insights from specialists. European journal of pediatrics 2024. link 33 Migowa AN, Hamdi W, Hashad S, Etayari H, Abushhaiwia A, Ferjani H et al.. Development of the paediatric society of the African league against rheumatism (PAFLAR) JIA registry and clinical profile of JIA in Africa from the PAFLAR JIA registry. Pediatric rheumatology online journal 2024. link 34 Leinonen S. A Nordic screening guideline for juvenile idiopathic arthritis-related uveitis. Acta ophthalmologica 2023. link 35 Zhao W, Li C, Deng J. A systematic review and meta-analysis of environmental factors associated with juvenile idiopathic arthritis. International journal of rheumatic diseases 2023. link 36 Martins A, Ganhão S, Oliveira Pinheiro F, Granjo Morais C, Rodrigues M, Leuzinger-Dias M et al.. Uveitis in patients with oligoarticular juvenile idiopathic arthritis and juvenile spondyloarthritis/enthesitis related arthritis: is there any difference?. Reumatismo 2023. link 37 Yeung RSM. What's in a Name? That Which We Call JIA, by Any Other Name, Would It Still Be the Same Childhood Arthritis?. The Journal of rheumatology 2023. link 38 Koker O, Demirkan FG, Cakmak F, Aktay Ayaz N. Performance of recent PRINTO criteria versus current ILAR criteria for systemic juvenile idiopathic arthritis: A single-centre experience. Modern rheumatology 2023. link 39 Backström M, Salo H, Kärki J, Aalto K, Rebane K, Levälampi T et al.. The feasibility of existing JADAS10 cut-off values in clinical practice: a study of data from The Finnish Rheumatology Quality Register. Pediatric rheumatology online journal 2023. link 40 Del Giudice E, de Roock S, Vastert SJ, Wulffraat NM, Swart JF, van Dijkhuizen EHP. Patients' and parents' satisfaction to improve patient care in JIA: factors determining acceptable symptom state measured with JAMAR. Rheumatology (Oxford, England) 2023. link 41 van Dijkhuizen EHP, Ridella F, Naddei R, Trincianti C, Avrusin I, Mazzoni M et al.. Validity and Reliability of Four Parent/Patient-Reported Outcome Measures for Juvenile Idiopathic Arthritis Remote Monitoring. Arthritis care & research 2023. link 42 Berard R, Ng HY, Human A, Piskin D, Dhalla M, Gottlieb C et al.. Canadian Rheumatology Association Recommendations for the Screening, Monitoring, and Treatment of Juvenile Idiopathic Arthritis-Associated Uveitis. The Journal of rheumatology 2023. link 43 Srinivasalu H, Treemarcki EB, Rumsey DG, Weiss PF, Colbert RA. Modified Juvenile Spondyloarthritis Disease Activity Index in the Childhood Arthritis and Rheumatology Research Alliance (CARRA) Registry. The Journal of rheumatology 2023. link 44 Verstegen RHJ, Shrader P, Balevic SJ, Beukelman T, Correll C, Dennos A et al.. Dosing Variation at Initiation of Adalimumab and Etanercept and Clinical Outcomes in Juvenile Idiopathic Arthritis: A Childhood Arthritis and Rheumatology Research Alliance Registry Study. Arthritis care & research 2023. link 45 Park J, Batthish M, Berard RA, Chédeville G, Proulx-Gauthier JP, Rumsey DG et al.. Comparing Canadian paediatric rheumatology practice to the 2019 ACR Juvenile Idiopathic Arthritis guidelines: results from the CAPRI Registry. Rheumatology (Oxford, England) 2023. link 46 Shiff NJ, Shrader P, Correll CK, Dennos A, Phillips T, Beukelman T. Trajectories of disease activity in patients with JIA in the Childhood Arthritis and Rheumatology Research Alliance Registry. Rheumatology (Oxford, England) 2023. link 47 Makhlouf Y, Nessib DB, Ferjani H, Triki W, Maatallah K, Dhia K et al.. The concept of telemedicine in pediatric rheumatology in Tunisia: Parents' perceptions. Journal of pediatric nursing 2023. link 48 Dushnicky MJ, Fine C, Cellucci T, Garner S, Heale L, Matsos M et al.. Mind the Gap: A Longitudinal Analysis of the Experiences of Adolescents and Parents in a Rheumatology Transition Clinic. Journal of clinical rheumatology : practical reports on rheumatic & musculoskeletal diseases 2023. link 49 Kardes E, Sözeri B, Demir F, Sezgin Akcay BI. Risk Factors for Ocular Complications and Visual Loss in Patients with Juvenile Idiopathic Arthritis-associated Uveitis at a Turkish Tertiary Ophthalmology and Pediatric Rheumatology Referral Center. Ocular immunology and inflammation 2023. link 50 Tan J, Tiller G, Gowdie P, Cox A, Munro J, Allen R et al.. Patterns and rates of confirmed transfer of care of patients with juvenile idiopathic arthritis at a tertiary paediatric rheumatology centre. Internal medicine journal 2023. link 51 Correll CK, Stryker S, Collier D, Phillips TA, Dennos AC, Balevic SJ et al.. Occurrence of adverse events and change in disease activity after initiation of etanercept in paediatric patients with juvenile psoriatic arthritis in the CARRA Registry. RMD open 2023. link 52 Ozdel S, Sönmez HE, Çağlayan Ş, Akgün Ö, Aydın T, Baba Ö et al.. How common is remission in rheumatoid factor-positive juvenile idiopathic arthritis patients? The multicenter Pediatric Rheumatology Academy (PeRA) research group experience. Pediatric rheumatology online journal 2023. link 53 Chausset A, Lambert C, Belot A, Merlin E, Cannizzaro E, Kone-Paut I et al.. Individual and environmental determinants associated with longer times to access pediatric rheumatology centers for patients with juvenile idiopathic arthritis, a JIR cohort study. Pediatric rheumatology online journal 2023. link 54 Martins FR, Azevedo AC, Ganhão S, Aguiar F, Rodrigues M, Brito I. Anakinra and hepatotoxicity in pediatric rheumatology: a case series. Pediatric rheumatology online journal 2023. link 55 Bingham CA, Harris JG, Qiu T, Gilbert M, Vora SS, Yildirim-Toruner C et al.. Pediatric Rheumatology Care and Outcomes Improvement Network's Quality Measure Set to Improve Care of Children With Juvenile Idiopathic Arthritis. Arthritis care & research 2023. link 56 Ringold S, Dennos AC, Kimura Y, Beukelman T, Shrader P, Phillips TA et al.. Disease Recapture Rates After Medication Discontinuation and Flare in Juvenile Idiopathic Arthritis: An Observational Study Within the Childhood Arthritis and Rheumatology Research Alliance Registry. Arthritis care & research 2023. link 57 Roberts JE, Williams K, Dallas J, Eckert M, Huie L, Smitherman E et al.. Insurance Status and Tumor Necrosis Factor Inhibitor Initiation Among Children With Juvenile Idiopathic Arthritis in the CARRA Registry. The Journal of rheumatology 2023. link 58 Smitherman EA, Chahine RA, Bitencourt N, Rahman AKMF, Lawson EF, Chang JC. Patient-Reported Outcomes Among Transition-Age Young Adults With Juvenile Idiopathic Arthritis in the Childhood Arthritis and Rheumatology Research Alliance Registry. The Journal of rheumatology 2023. link 59 Soulsby WD, Lawson E, Pantell MS. Cumulative Social Disadvantage Associated with Childhood Arthritis: A Cross-Sectional Analysis of the National Survey of Children's Health. Arthritis care & research 2023. link 60 Wakefield EO, Belamkar V, Sandoval A, Puhl RM, Edelheit B, Zempsky WT et al.. Does Diagnostic Certainty Matter?: Pain-Related Stigma in Adolescents with Juvenile Idiopathic Arthritis. Journal of pediatric psychology 2023. link 61 Onel KB, Horton DB, Lovell DJ, Shenoi S, Cuello CA, Angeles-Han ST et al.. 2021 American College of Rheumatology Guideline for the Treatment of Juvenile Idiopathic Arthritis: Therapeutic Approaches for Oligoarthritis, Temporomandibular Joint Arthritis, and Systemic Juvenile Idiopathic Arthritis. Arthritis care & research 2022. link 62 Onel KB, Horton DB, Lovell DJ, Shenoi S, Cuello CA, Angeles-Han ST et al.. 2021 American College of Rheumatology Guideline for the Treatment of Juvenile Idiopathic Arthritis: Therapeutic Approaches for Oligoarthritis, Temporomandibular Joint Arthritis, and Systemic Juvenile Idiopathic Arthritis. Arthritis & rheumatology (Hoboken, N.J.) 2022. link 63 Leal I, Miranda V, Fonseca C, Barbosa-Breda J, Cordeiro Sousa D, Mesquita-Marques P et al.. The 2021 Portuguese Society of Ophthalmology joint guidelines with Paediatric Rheumatology on the screening, monitoring and medical treatment of juvenile idiopathic arthritis-associated uveitis. ARP rheumatology 2022. link 64 Onel KB, Horton DB, Lovell DJ, Shenoi S, Cuello CA, Angeles-Han ST et al.. 2021 American College of Rheumatology Guideline for the Treatment of Juvenile Idiopathic Arthritis: Recommendations for Nonpharmacologic Therapies, Medication Monitoring, Immunizations, and Imaging. Arthritis & rheumatology (Hoboken, N.J.) 2022. link 65 Onel KB, Horton DB, Lovell DJ, Shenoi S, Cuello CA, Angeles-Han ST et al.. 2021 American College of Rheumatology Guideline for the Treatment of Juvenile Idiopathic Arthritis: Recommendations for Nonpharmacologic Therapies, Medication Monitoring, Immunizations, and Imaging. Arthritis care & research 2022. link 66 Vega-Fernandez P, Ting TV, Pratt L, Bacha CM, Oberle EJ. Ultrasonography in Pediatric Rheumatology. Rheumatic diseases clinics of North America 2022. link 67 Shoop-Worrall SJW, Moull L, McDonagh JE, Hyrich KL. The Role of Age in Delays to Rheumatological Care in Juvenile Idiopathic Arthritis. The Journal of rheumatology 2022. link 68 Heiligenhaus A, Deuter C. Uveitis in Juvenile Idiopathic Arthritis - Case Reports on Guideline-based Diagnostic Work-up and Treatment. Klinische Monatsblatter fur Augenheilkunde 2022. link 69 Ryan ME, Warmin A, Binstadt BA, Correll CK, Hause E, Hobday P et al.. Capturing critical data elements in Juvenile Idiopathic Arthritis: initiatives to improve data capture. Pediatric rheumatology online journal 2022. link 70 Demirkan FG, Ulu K, Öztürk K, Karadağ ŞG, Özdel S, Sönmez HE et al.. Toward the integration of biosimilars into pediatric rheumatology: adalimumab ABP 501 experience of PeRA research group. Expert opinion on biological therapy 2022. link 71 Kurt T, Tekin ZE, Çelikel E, Aydın F, Tekgöz N, Sezer M et al.. Evaluation of the time of patients' admission to the tertiary pediatric rheumatology center for juvenile idiopathic arthritis. ARP rheumatology 2022. link 72 Lee JJY, Eng SWM, Guzman J, Duffy CM, Tucker LB, Oen K et al.. A Comparison of International League of Associations for Rheumatology and Pediatric Rheumatology International Trials Organization Classification Systems for Juvenile Idiopathic Arthritis Among Children in a Canadian Arthritis Cohort. Arthritis & rheumatology (Hoboken, N.J.) 2022. link 73 Glerup M, Arnstad ED, Rypdal V, Peltoniemi S, Aalto K, Rygg M et al.. Changing Patterns in Treatment, Remission Status, and Categories in a Long-Term Nordic Cohort Study of Juvenile Idiopathic Arthritis. Arthritis care & research 2022. link 74 El Tal T, Ryan ME, Feldman BM, Bingham CA, Burnham JM, Batthish M et al.. Consensus Approach to a Treat-to-target Strategy in Juvenile Idiopathic Arthritis Care: Report From the 2020 PR-COIN Consensus Conference. The Journal of rheumatology 2022. link 75 Hahn T, Daymont C, Beukelman T, Groh B, Hays K, Bingham CA et al.. Intraarticular steroids as DMARD-sparing agents for juvenile idiopathic arthritis flares: Analysis of the Childhood Arthritis and Rheumatology Research Alliance Registry. Pediatric rheumatology online journal 2022. link 76 Mikola K, Rebane K, Glerup M, Kautiainen H, Relas H, Peltoniemi S et al.. Transition to adult care in Finnish adolescents with juvenile idiopathic arthritis. Scandinavian journal of rheumatology 2022. link 77 Schujovitzky D, Ziv A, Heshin Bekenstein M, Eylon S, Grossman Z, Hashkes PJ et al.. Measuring the knowledge of juvenile idiopathic arthritis among Israeli paediatricians and paediatric orthopaedic surgeons: what needs to be improved?. Clinical and experimental rheumatology 2022. link 78 Kaya Akca U, Batu ED, Sener S, Balik Z, Kasap Cuceoglu M, Atalay E et al.. The performances of the ILAR, ASAS, and PRINTO classification criteria in ERA patients: a comparison study. Clinical rheumatology 2022. link 79 Correll CK, Shrader P, Dennos A, Phillips T, Shiff NJ, Verstegen RHJ et al.. Effectiveness and Safety of High-Dose Biologics in Juvenile Idiopathic Arthritis in the Childhood Arthritis and Rheumatology Research Alliance. Arthritis care & research 2022. link 80 Tiller G, Renton WD, Tan J, Whittle S, Avery J, Munro J et al.. Modified Delphi study to identify priority clinical questions for the Australian living guidelines for the management of Juvenile Idiopathic Arthritis. Pediatric rheumatology online journal 2022. link 81 Houghton K, McPherson M, Surjanovic N, Loughin T, Berard R, Proulx-Gauthier JP et al.. Development and validation of the Kids Disability Screen for children with juvenile idiopathic arthritis: results from the CAPRI Registry. Rheumatology (Oxford, England) 2022. link 82 Boeker LS, Kuemmerle-Deschner JB, Saur SJ, Klotsche J, Erbis G, Hansmann S. Health-related quality of life, continuity of care and patient satisfaction: long-term outcomes of former patients of the Tuebingen Transition Program (TTP) - a retrospective cohort study. Pediatric rheumatology online journal 2022. link 83 Wu CY, Yang HY, Luo SF, Huang JL, Lai JH. Vitamin D Supplementation in Patients with Juvenile Idiopathic Arthritis. Nutrients 2022. link 84 Nandi M, Mullick MAS, Nandy A, Samanta M, Sarkar S, Sabui TK. Evaluation of vitamin D profile in juvenile idiopathic arthritis. Modern rheumatology 2022. link 85 Niinomi I, Oyama S, Inada A, Wakabayashi T, Hirai T, Kambara H et al.. Adverse event profiles of drugs used for treatment of juvenile idiopathic arthritis according to spontaneous reporting system database. International journal of clinical pharmacology and therapeutics 2022. link 86 Herregods N, Maksymowych WP, Jans L, Otobo TM, Sudoł-Szopińska I, Meyers AB et al.. 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. Seminars in arthritis and rheumatism 2021. link 87 Mannion ML, Xie F, Horton DB, Ringold S, Correll CK, Dennos A et al.. Biologic Switching Among Nonsystemic Juvenile Idiopathic Arthritis Patients: A Cohort Study in the Childhood Arthritis and Rheumatology Research Alliance Registry. The Journal of rheumatology 2021. link 88 Lanni S. The recent evolution of ultrasound in juvenile idiopathic arthritis. Clinical and experimental rheumatology 2021. link 89 Herregods N, Maksymowych WP, Jans L, Otobo TM, Sudoł-Szopińska I, Meyers AB et al.. 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. Seminars in arthritis and rheumatism 2021. link 90 Spiegel L, Tucker L, Duffy KW, Lalloo C, Hundert A, Bourre-Tessier J et al.. Development and validation of the RACER (Readiness for Adult Care in Rheumatology) transition instrument in youth with juvenile idiopathic arthritis. Pediatric rheumatology online journal 2021. link 91 Trincianti C, Van Dijkhuizen EHP, Alongi A, Mazzoni M, Swart JF, Nikishina I et al.. Definition and Validation of the American College of Rheumatology 2021 Juvenile Arthritis Disease Activity Score Cutoffs for Disease Activity States in Juvenile Idiopathic Arthritis. Arthritis & rheumatology (Hoboken, N.J.) 2021. link 92 Ozdel S, Baglan E, Cakıcı EK, Yazılıtas F, Yücel H, Senel S et al.. Clinical features in 305 patients with juvenile idiopathic arthritis: A single center Turkish Study. Pediatrics international : official journal of the Japan Pediatric Society 2021. link 93 Shoop-Worrall SJW, Cresswell K, Bolger I, Dillon B, Hyrich KL, Geifman N. Nothing about us without us: involving patient collaborators for machine learning applications in rheumatology. Annals of the rheumatic diseases 2021. link 94 Waqar-Cowles LN, Chuo J, Weiss PF, Gmuca S, LaNoue M, Burnham JM. Evaluation of pediatric rheumatology telehealth satisfaction during the COVID-19 pandemic. Pediatric rheumatology online journal 2021. link 95 Yue X, Huang B, Hincapie AL, Wigle PR, Li Y, Qiu T et al.. Comparative effectiveness and persistence of TNFi and non-TNFi in juvenile idiopathic arthritis: a large paediatric rheumatology centre in the USA. Rheumatology (Oxford, England) 2021. link 96 Balmuri N, Soulsby WD, Cooley V, Gerber L, Lawson E, Goodman S et al.. Community poverty level influences time to first pediatric rheumatology appointment in Polyarticular Juvenile Idiopathic Arthritis. Pediatric rheumatology online journal 2021. link 97 Dave I, Estroff B, Gergely T, Rostad CA, Ponder LA, McCracken C et al.. Impact of the Season of Birth on the Development of Juvenile Idiopathic Arthritis in the United States: A Nationwide Registry-based Study. The Journal of rheumatology 2021. link 98 Roth J. Emergence of Musculoskeletal Ultrasound Use in Pediatric Rheumatology. Current rheumatology reports 2020. link 99 Batthish M, Berard R, Cabral D, Bolaria R, Chédeville G, Duffy C et al.. A new Canadian inception cohort for juvenile idiopathic arthritis: The Canadian Alliance of Pediatric Rheumatology Investigators Registry. Rheumatology (Oxford, England) 2020. link 100 Dhanrajani A, Khubchandani RP. Joint injection practice variations in pediatric rheumatology - a global survey and call for action. Pediatric rheumatology online journal 2020. link