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Lassoued Ferjani H, Cherif I, Ben Ammar L, Ben Nessib D, Kaffel D, Maatallah K, Hamdi W. Foot-related impairment in children with juvenile idiopathic arthritis. Musculoskeletal Care 2023; 21:1135-1141. [PMID: 37408090 DOI: 10.1002/msc.1794] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2023] [Revised: 06/16/2023] [Accepted: 06/22/2023] [Indexed: 07/07/2023]
Abstract
AIM Foot involvement is present in approximately 60%-90% of children with Juvenile idiopathic arthritis (JIA). It is a major cause of disability, which can lead to deterioration in daily activities and quality of life. However, it is often overlooked and can compromise patient management. PURPOSE Our objective was to describe the ankle and foot involvement in JIA and to appraise the functional impact of this damage on the child's performance and quality of life by using validated scores. METHODS The cross-sectional study included patients with JIA. Functional impairment was assessed through the Juvenile Arthritis Functionality Scale (JAFS) and the Oxford Ankle and Foot Questionnaire for children. RESULTS Twenty-three patients aged 12.75 ± 3.9 and with 41 months of disease duration. After completing the Oxford score, the physical domain appeared to be the most altered. A long delay in diagnosis was associated with an alteration in the emotional domain of the Oxford score. Higher disease activity was significantly associated with impairment in both the physical activity and the footwear domains of the Oxford score. As regards clinical examination data, the presence of foot pain as well as the presence of tendinopathy were associated with an alteration of all Oxford score domains. The presence of flat feet significantly affected all domains of the Oxford score. The JAFS was reported to affect the child's performance ability and was associated with impairment in physical activity, school and play, and emotional domains. CONCLUSION Ankle and foot involvement was common in our study. Functional ability was most impaired in the lower limbs. High disease activity, foot and ankle pain, tenosynovitis, and flat feet were associated with poorer quality of life and higher functional impact.
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Affiliation(s)
- Hanene Lassoued Ferjani
- Rheumatology Department, Kassab Orthopedics Institute, Ksar Saïd, Tunisia
- Faculty of Medicine of Tunis, University Tunis El Manar, Tunis, Tunisia
- Research Unit UR17SP04, Tunis, Tunisia
| | - Ines Cherif
- Rheumatology Department, Kassab Orthopedics Institute, Ksar Saïd, Tunisia
| | | | - Dorra Ben Nessib
- Rheumatology Department, Kassab Orthopedics Institute, Ksar Saïd, Tunisia
- Faculty of Medicine of Tunis, University Tunis El Manar, Tunis, Tunisia
- Research Unit UR17SP04, Tunis, Tunisia
| | - Dhia Kaffel
- Rheumatology Department, Kassab Orthopedics Institute, Ksar Saïd, Tunisia
- Faculty of Medicine of Tunis, University Tunis El Manar, Tunis, Tunisia
- Research Unit UR17SP04, Tunis, Tunisia
| | - Kaouther Maatallah
- Rheumatology Department, Kassab Orthopedics Institute, Ksar Saïd, Tunisia
- Faculty of Medicine of Tunis, University Tunis El Manar, Tunis, Tunisia
- Research Unit UR17SP04, Tunis, Tunisia
| | - Wafa Hamdi
- Rheumatology Department, Kassab Orthopedics Institute, Ksar Saïd, Tunisia
- Faculty of Medicine of Tunis, University Tunis El Manar, Tunis, Tunisia
- Research Unit UR17SP04, Tunis, Tunisia
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Vega-Fernandez P, De Ranieri D, Oberle E, Clark M, Bukulmez H, Lin C, Shenoi S, Thatayatikom A, Woolnough L, Benham H, Brunner E, Henrickson M, Pratt LR, Proulx-Gauthier JP, Janow G, Cassedy A, Ting TV, Roth J. Comprehensive and reliable sonographic assessment and scoring system for inflammatory lesions of the paediatric ankle. Rheumatology (Oxford) 2023; 62:2239-2246. [PMID: 36308429 PMCID: PMC10234197 DOI: 10.1093/rheumatology/keac622] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2022] [Accepted: 08/30/2022] [Indexed: 11/30/2023] Open
Abstract
OBJECTIVE The clinical decision-making process in paediatric arthritis lacks an objective, reliable bedside imaging tool. The aim of this study was to develop a US scanning protocol and assess the reliability of B-mode and Doppler scoring systems for inflammatory lesions of the paediatric ankle. METHODS As part of the Childhood Arthritis and Rheumatology Research Alliance (CARRA) US group, 19 paediatric rheumatologists through a comprehensive literature review developed a set of standardized views and scoring systems to assess inflammatory lesions of the synovial recesses as well as tendons of the paediatric ankle. Three rounds of scoring of still images were followed by one practical exercise. Agreement among raters was assessed using two-way single score intraclass correlation coefficients (ICC). RESULTS Of the 37 initially identified views to assess the presence of ankle synovitis and tenosynovitis, nine views were chosen for each B-mode and Doppler mode semi-quantitative evaluation. Several scoring exercises and iterative modifications resulted in a final highly reliable scoring system: anterior tibiotalar joint ICC: 0.93 (95% CI 0.92, 0.94), talonavicular joint ICC: 0.86 (95% CI 0.81, 0.90), subtalar joint ICC: 0.91 (95% CI 0.88, 0.93) and tendons ICC: 0.96 (95% CI 0.95, 0.97). CONCLUSION A comprehensive and reliable paediatric ankle US scanning protocol and scoring system for the assessment of synovitis and tenosynovitis were successfully developed. Further validation of this scoring system may allow its use as an outcome measure for both clinical and research applications.
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Affiliation(s)
- Patricia Vega-Fernandez
- Division of Rheumatology, Department of Pediatrics, University of Cincinnati, Cincinnati Children’s Hospital Medical Center, Cincinnati, OH, USA
| | - Deirdre De Ranieri
- Division of Rheumatology, Department of Pediatrics, Northwestern Feinberg School of Medicine, Ann and Robert H. Lurie Children’s Hospital, Chicago, IL, USA
| | - Edward Oberle
- Department of Pediatrics, Nationwide Children’s Hospital, Columbus, OH, USA
| | - Matthew Clark
- Department of Pediatrics, Vanderbilt University Medical Center, Nashville, TN, USA
| | - Hulya Bukulmez
- Division of Pediatric Rheumatology, Department of Pediatrics, Metro Health Medical System, Case Western Reserve University, Cleveland, OH, USA
| | - Clara Lin
- Department of Pediatrics, Children’s Hospital Colorado, Aurora, CO, USA
| | - Susan Shenoi
- Seattle Children’s Hospital and Research Center University of Washington, Seattle, WA, USA
| | - Akaluck Thatayatikom
- AdventHealth Medical Group Pediatric Rheumatology and Immunology, Orlando, FL, USA
| | | | - Heather Benham
- Department of Pediatrics, Scottish Rite for Children, Frisco, TX, USA
| | - Emily Brunner
- Department of Pediatrics, Geisinger Medical Center, Danville, PA, USA
| | - Michael Henrickson
- Division of Rheumatology, Department of Pediatrics, University of Cincinnati, Cincinnati Children’s Hospital Medical Center, Cincinnati, OH, USA
| | - Laura R Pratt
- Department of Pediatrics, University of Nebraska Medical Center, Omaha, NE, USA
| | | | - Ginger Janow
- Joseph M. Sanzari Children’s Hospital, Hackensack, NJ, USA
| | - Amy Cassedy
- Division of Biostatistics and Epidemiology, Department of Pediatrics, University of Cincinnati, Cincinnati Children’s Hospital Medical Center, Cincinnati, OH, USA
| | - Tracy V Ting
- Division of Rheumatology, Department of Pediatrics, University of Cincinnati, Cincinnati Children’s Hospital Medical Center, Cincinnati, OH, USA
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Acer Kasman S, Karaahmet ÖZ, Bal Hastürk A, Başaran Ö, Çelikel Acar B, Gezer HH, Çakcı A. The importance of lower extremity involvement type on exercise performances, function, and quality of life in peripheral predominant forms of juvenile idiopathic arthritis. Adv Rheumatol 2021; 61:39. [PMID: 34174968 DOI: 10.1186/s42358-021-00195-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2021] [Accepted: 06/07/2021] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Juvenile idiopathic arthritis (JIA) can cause reduced exercise capacity, deterioration in functional activities, and poor health-related quality of life. This study aims to objectively reveal lower extremity involvement in the peripheral predominant forms of juvenile idiopathic arthritis through qualitative evaluations and to determine the effects of these involvements on exercise, function, and quality of life. METHODS Thirty-two patients with a history of peripheral arthritis and aged between 7 and 16 years participated in the study. Demographics, JIA subtype, disease duration, arthritis and deformities of the lower extremity, disease activity score, 6-min walk test (6MWT), cycling exercise test (CYC-E), childhood health assessment questionnaire (CHAQ), and pediatric quality of life inventory (PedsQoL) scores were recorded. In case of clinical suspicion of arthritis, an ultrasonographic examination was performed for a definitive diagnosis. Regression analyses were performed to explore the most associated lower extremity involvement and patient characteristics for each of the dependent variables including 6MWT, CYC-E, CHAQ, and PedsQoL. RESULTS Of the total number of patients, with a mean age of 12.91 (SD 2.37) years, 28.1% had knee arthritis, 15.6% foot arthritis, 12.5% hip arthritis, and 37.5% lower extremity deformity. The parameters that were most associated with CHAQ and PedsQoL were hip and knee arthritis, whereas CYC-E was found to be most associated with knee arthritis and height, and 6MWT was found to be most associated with hip arthritis, knee arthritis, and demographic characteristics. CONCLUSION This study emphasizes the importance of hip and knee arthritis, which are among the determinants of walking endurance, function, and quality of life; and knee arthritis, which is among the determinants of cycling performance in JIA with lower extremity involvement.
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Affiliation(s)
- Sevtap Acer Kasman
- Department of Physical Medicine and Rehabilitation, University of Health Sciences Ankara Dışkapı Yıldırım Beyazıt Trainig and Research Hospital, Ankara, Turkey. .,Present affiliation: Department of Rheumatology, University of Health Sciences Kartal Dr. Lütfi Kırdar Training and Research Hospital, Istanbul, Turkey.
| | - Özgür Zeliha Karaahmet
- Department of Physical Medicine and Rehabilitation, University of Health Sciences Ankara Dışkapı Yıldırım Beyazıt Trainig and Research Hospital, Ankara, Turkey
| | - Ajda Bal Hastürk
- Department of Physical Medicine and Rehabilitation, University of Health Sciences Ankara Dışkapı Yıldırım Beyazıt Trainig and Research Hospital, Ankara, Turkey
| | - Özge Başaran
- Department of Pediatric Rheumatology, University of Health Sciences Ankara Child Health and Diseases Hematology Oncology Training and Research Hospital, Ankara, Turkey
| | - Banu Çelikel Acar
- Department of Pediatric Rheumatology, University of Health Sciences Ankara Child Health and Diseases Hematology Oncology Training and Research Hospital, Ankara, Turkey
| | - Halise Hande Gezer
- Department of Physical Medicine and Rehabilitation, University of Health Sciences Ankara Dışkapı Yıldırım Beyazıt Trainig and Research Hospital, Ankara, Turkey
| | - Aytül Çakcı
- Department of Physical Medicine and Rehabilitation, University of Health Sciences Ankara Dışkapı Yıldırım Beyazıt Trainig and Research Hospital, Ankara, Turkey
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Shoop-Worrall SJW, Hyrich KL, Wedderburn LR, Thomson W, Geifman N. Patient-reported wellbeing and clinical disease measures over time captured by multivariate trajectories of disease activity in individuals with juvenile idiopathic arthritis in the UK: a multicentre prospective longitudinal study. THE LANCET. RHEUMATOLOGY 2021; 3:e111-e121. [PMID: 33554133 PMCID: PMC7843954 DOI: 10.1016/s2665-9913(20)30269-1] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
BACKGROUND Juvenile idiopathic arthritis (JIA) is a heterogeneous disease, the signs and symptoms of which can be summarised with use of composite disease activity measures, including the clinical Juvenile Arthritis Disease Activity Score (cJADAS). However, clusters of children and young people might experience different global patterns in their signs and symptoms of disease, which might run in parallel or diverge over time. We aimed to identify such clusters in the 3 years after a diagnosis of JIA. The identification of these clusters would allow for a greater understanding of disease progression in JIA, including how physician-reported and patient-reported outcomes relate to each other over the JIA disease course. METHODS In this multicentre prospective longitudinal study, we included children and young people recruited before Jan 1, 2015, to the Childhood Arthritis Prospective Study (CAPS), a UK multicentre inception cohort. Participants without a cJADAS score were excluded. To assess groups of children and young people with similar disease patterns in active joint count, physician's global assessment, and patient or parental global evaluation, we used latent profile analysis at initial presentation to paediatric rheumatology and multivariate group-based trajectory models for the following 3 years. Optimal models were selected on the basis of a combination of model fit, clinical plausibility, and model parsimony. FINDING Between Jan 1, 2001, and Dec 31, 2014, 1423 children and young people with JIA were recruited to CAPS, 239 of whom were excluded, resulting in a final study population of 1184 children and young people. We identified five clusters at baseline and six trajectory groups using longitudinal follow-up data. Disease course was not well predicted from clusters at baseline; however, in both cross-sectional and longitudinal analyses, substantial proportions of children and young people had high patient or parent global scores despite low or improving joint counts and physician global scores. Participants in these groups were older, and a higher proportion of them had enthesitis-related JIA and lower socioeconomic status, compared with those in other groups. INTERPRETATION Almost one in four children and young people with JIA in our study reported persistent, high patient or parent global scores despite having low or improving active joint counts and physician's global scores. Distinct patient subgroups defined by disease manifestation or trajectories of progression could help to better personalise health-care services and treatment plans for individuals with JIA. FUNDING Medical Research Council, Versus Arthritis, Great Ormond Street Hospital Children's Charity, Olivia's Vision, and National Institute for Health Research.
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Affiliation(s)
- Stephanie J W Shoop-Worrall
- Centre for Health Informatics, Manchester Academic Health Sciences Centre, University of Manchester, Manchester, UK
- Centre for Epidemiology Versus Arthritis, Manchester Academic Health Sciences Centre, University of Manchester, Manchester, UK
| | - Kimme L Hyrich
- Centre for Epidemiology Versus Arthritis, Manchester Academic Health Sciences Centre, University of Manchester, Manchester, UK
- National Institute for Health Research Manchester Biomedical Research Centre, Manchester University Hospitals NHS Foundation Trust, Manchester, UK
| | - Lucy R Wedderburn
- Centre for Adolescent Rheumatology Versus Arthritis at UCL, University College London Hospitals and Great Ormond Street Hospital, London, UK
- Infection Inflammation and Rheumatology, UCL Great Ormond Street Institute of Child Health, London, UK
- NIHR Great Ormond Street Hospital Biomedical Research Centre, London, UK
| | - Wendy Thomson
- Centre for Genetics and Genomics Versus Arthritis, Manchester Academic Health Sciences Centre, University of Manchester, Manchester, UK
- National Institute for Health Research Manchester Biomedical Research Centre, Manchester University Hospitals NHS Foundation Trust, Manchester, UK
| | - Nophar Geifman
- Centre for Health Informatics, Manchester Academic Health Sciences Centre, University of Manchester, Manchester, UK
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Barendregt AM, Mazzoli V, van Gulik EC, Schonenberg-Meinema D, Nassar-Sheikh Rashid A, Nusman CM, Dolman KM, van den Berg JM, Kuijpers TW, Nederveen AJ, Maas M, Hemke R. Juvenile Idiopathic Arthritis: Diffusion-weighted MRI in the Assessment of Arthritis in the Knee. Radiology 2020; 295:373-380. [PMID: 32154774 DOI: 10.1148/radiol.2020191685] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
Background Diffusion-weighted imaging (DWI) can depict the inflamed synovial membrane in arthritis. Purpose To study the diagnostic accuracy of DWI for the detection of arthritis compared with the clinical reference standard and to compare DWI to contrast material-enhanced MRI for the detection of synovial inflammation. Materials and Methods In this institutional review board-approved prospective study, 45 participants with juvenile idiopathic arthritis (JIA) or suspected of having JIA (seven boys, 38 girls; median age, 14 years [interquartile range, 12-16 years]) were included between December 2015 and December 2018. Study participants underwent pre- and postcontrast 3.0-T MRI of the knee with an additional DWI sequence. For the clinical reference standard, a multidisciplinary team determined the presence or absence of arthritis on the basis of clinical, laboratory, and imaging findings (excluding DWI). Two data sets were scored by two radiologists blinded to all clinical data; data set 1 contained pre- and postcontrast sequences (contrast-enhanced MRI), and data set 2 contained precontrast and DWI sequences (DWI). Diagnostic accuracy was determined by comparing the scores of the DWI data set to those of the clinical reference standard. Second, DWI was compared with contrast-enhanced MRI regarding detection of synovial inflammation. Results Sensitivity for detection of arthritis for DWI was 93% (13 of the 14 participants with arthritis were correctly classified with DWI; 95% confidence interval [CI]: 64%, 100%) and specificity was 81% (25 of 31 participants without arthritis were correctly classified with DWI; 95% CI: 62%, 92%). Scores for synovial inflammation at DWI and contrast-enhanced MRI agreed in 37 of 45 participants (82%), resulting in a sensitivity of 92% (12 of 13 participants; 95% CI: 62%, 100%) and specificity of 78% (25 of 32 participants; 95% CI: 60%, 90%) with DWI when contrast-enhanced MRI was considered the reference standard. Conclusion Diffusion-weighted imaging (DWI) was accurate in detecting arthritis in pediatric participants with juvenile idiopathic arthritis (JIA) or suspected of having JIA and showed agreement with contrast-enhanced MRI. The results indicate that DWI could replace contrast-enhanced MRI for imaging of synovial inflammation in this patient group. © RSNA, 2020 Online supplemental material is available for this article.
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Affiliation(s)
- Anouk M Barendregt
- From the Department of Radiology and Nuclear Medicine (A.M.B., E.C.v.G., A.J.N., M.M., R.H.), Department of Pediatric Immunology, Rheumatology and Infectious Disease (A.M.B., E.C.v.G., D.S.M., A.N.S.a.R., J.M.v.d.B., T.W.K.), and Department of Pediatrics (C.M.N.), Amsterdam University Medical Centers, location AMC, Meibergdreef 9, 1105 AZ Amsterdam, the Netherlands; Department of Radiology, Lucas Center for Imaging, Stanford University, Stanford, Calif (V.M.); Department of Pediatric Rheumatology, Reade, Amsterdam, the Netherlands (K.M.D.); and Department of Pediatrics, Onze Lieve Vrouwe Gasthuis, Amsterdam, the Netherlands (K.M.D.)
| | - Valentina Mazzoli
- From the Department of Radiology and Nuclear Medicine (A.M.B., E.C.v.G., A.J.N., M.M., R.H.), Department of Pediatric Immunology, Rheumatology and Infectious Disease (A.M.B., E.C.v.G., D.S.M., A.N.S.a.R., J.M.v.d.B., T.W.K.), and Department of Pediatrics (C.M.N.), Amsterdam University Medical Centers, location AMC, Meibergdreef 9, 1105 AZ Amsterdam, the Netherlands; Department of Radiology, Lucas Center for Imaging, Stanford University, Stanford, Calif (V.M.); Department of Pediatric Rheumatology, Reade, Amsterdam, the Netherlands (K.M.D.); and Department of Pediatrics, Onze Lieve Vrouwe Gasthuis, Amsterdam, the Netherlands (K.M.D.)
| | - E Charlotte van Gulik
- From the Department of Radiology and Nuclear Medicine (A.M.B., E.C.v.G., A.J.N., M.M., R.H.), Department of Pediatric Immunology, Rheumatology and Infectious Disease (A.M.B., E.C.v.G., D.S.M., A.N.S.a.R., J.M.v.d.B., T.W.K.), and Department of Pediatrics (C.M.N.), Amsterdam University Medical Centers, location AMC, Meibergdreef 9, 1105 AZ Amsterdam, the Netherlands; Department of Radiology, Lucas Center for Imaging, Stanford University, Stanford, Calif (V.M.); Department of Pediatric Rheumatology, Reade, Amsterdam, the Netherlands (K.M.D.); and Department of Pediatrics, Onze Lieve Vrouwe Gasthuis, Amsterdam, the Netherlands (K.M.D.)
| | - Dieneke Schonenberg-Meinema
- From the Department of Radiology and Nuclear Medicine (A.M.B., E.C.v.G., A.J.N., M.M., R.H.), Department of Pediatric Immunology, Rheumatology and Infectious Disease (A.M.B., E.C.v.G., D.S.M., A.N.S.a.R., J.M.v.d.B., T.W.K.), and Department of Pediatrics (C.M.N.), Amsterdam University Medical Centers, location AMC, Meibergdreef 9, 1105 AZ Amsterdam, the Netherlands; Department of Radiology, Lucas Center for Imaging, Stanford University, Stanford, Calif (V.M.); Department of Pediatric Rheumatology, Reade, Amsterdam, the Netherlands (K.M.D.); and Department of Pediatrics, Onze Lieve Vrouwe Gasthuis, Amsterdam, the Netherlands (K.M.D.)
| | - Amara Nassar-Sheikh Rashid
- From the Department of Radiology and Nuclear Medicine (A.M.B., E.C.v.G., A.J.N., M.M., R.H.), Department of Pediatric Immunology, Rheumatology and Infectious Disease (A.M.B., E.C.v.G., D.S.M., A.N.S.a.R., J.M.v.d.B., T.W.K.), and Department of Pediatrics (C.M.N.), Amsterdam University Medical Centers, location AMC, Meibergdreef 9, 1105 AZ Amsterdam, the Netherlands; Department of Radiology, Lucas Center for Imaging, Stanford University, Stanford, Calif (V.M.); Department of Pediatric Rheumatology, Reade, Amsterdam, the Netherlands (K.M.D.); and Department of Pediatrics, Onze Lieve Vrouwe Gasthuis, Amsterdam, the Netherlands (K.M.D.)
| | - Charlotte M Nusman
- From the Department of Radiology and Nuclear Medicine (A.M.B., E.C.v.G., A.J.N., M.M., R.H.), Department of Pediatric Immunology, Rheumatology and Infectious Disease (A.M.B., E.C.v.G., D.S.M., A.N.S.a.R., J.M.v.d.B., T.W.K.), and Department of Pediatrics (C.M.N.), Amsterdam University Medical Centers, location AMC, Meibergdreef 9, 1105 AZ Amsterdam, the Netherlands; Department of Radiology, Lucas Center for Imaging, Stanford University, Stanford, Calif (V.M.); Department of Pediatric Rheumatology, Reade, Amsterdam, the Netherlands (K.M.D.); and Department of Pediatrics, Onze Lieve Vrouwe Gasthuis, Amsterdam, the Netherlands (K.M.D.)
| | - Koert M Dolman
- From the Department of Radiology and Nuclear Medicine (A.M.B., E.C.v.G., A.J.N., M.M., R.H.), Department of Pediatric Immunology, Rheumatology and Infectious Disease (A.M.B., E.C.v.G., D.S.M., A.N.S.a.R., J.M.v.d.B., T.W.K.), and Department of Pediatrics (C.M.N.), Amsterdam University Medical Centers, location AMC, Meibergdreef 9, 1105 AZ Amsterdam, the Netherlands; Department of Radiology, Lucas Center for Imaging, Stanford University, Stanford, Calif (V.M.); Department of Pediatric Rheumatology, Reade, Amsterdam, the Netherlands (K.M.D.); and Department of Pediatrics, Onze Lieve Vrouwe Gasthuis, Amsterdam, the Netherlands (K.M.D.)
| | - J Merlijn van den Berg
- From the Department of Radiology and Nuclear Medicine (A.M.B., E.C.v.G., A.J.N., M.M., R.H.), Department of Pediatric Immunology, Rheumatology and Infectious Disease (A.M.B., E.C.v.G., D.S.M., A.N.S.a.R., J.M.v.d.B., T.W.K.), and Department of Pediatrics (C.M.N.), Amsterdam University Medical Centers, location AMC, Meibergdreef 9, 1105 AZ Amsterdam, the Netherlands; Department of Radiology, Lucas Center for Imaging, Stanford University, Stanford, Calif (V.M.); Department of Pediatric Rheumatology, Reade, Amsterdam, the Netherlands (K.M.D.); and Department of Pediatrics, Onze Lieve Vrouwe Gasthuis, Amsterdam, the Netherlands (K.M.D.)
| | - Taco W Kuijpers
- From the Department of Radiology and Nuclear Medicine (A.M.B., E.C.v.G., A.J.N., M.M., R.H.), Department of Pediatric Immunology, Rheumatology and Infectious Disease (A.M.B., E.C.v.G., D.S.M., A.N.S.a.R., J.M.v.d.B., T.W.K.), and Department of Pediatrics (C.M.N.), Amsterdam University Medical Centers, location AMC, Meibergdreef 9, 1105 AZ Amsterdam, the Netherlands; Department of Radiology, Lucas Center for Imaging, Stanford University, Stanford, Calif (V.M.); Department of Pediatric Rheumatology, Reade, Amsterdam, the Netherlands (K.M.D.); and Department of Pediatrics, Onze Lieve Vrouwe Gasthuis, Amsterdam, the Netherlands (K.M.D.)
| | - Aart J Nederveen
- From the Department of Radiology and Nuclear Medicine (A.M.B., E.C.v.G., A.J.N., M.M., R.H.), Department of Pediatric Immunology, Rheumatology and Infectious Disease (A.M.B., E.C.v.G., D.S.M., A.N.S.a.R., J.M.v.d.B., T.W.K.), and Department of Pediatrics (C.M.N.), Amsterdam University Medical Centers, location AMC, Meibergdreef 9, 1105 AZ Amsterdam, the Netherlands; Department of Radiology, Lucas Center for Imaging, Stanford University, Stanford, Calif (V.M.); Department of Pediatric Rheumatology, Reade, Amsterdam, the Netherlands (K.M.D.); and Department of Pediatrics, Onze Lieve Vrouwe Gasthuis, Amsterdam, the Netherlands (K.M.D.)
| | - Mario Maas
- From the Department of Radiology and Nuclear Medicine (A.M.B., E.C.v.G., A.J.N., M.M., R.H.), Department of Pediatric Immunology, Rheumatology and Infectious Disease (A.M.B., E.C.v.G., D.S.M., A.N.S.a.R., J.M.v.d.B., T.W.K.), and Department of Pediatrics (C.M.N.), Amsterdam University Medical Centers, location AMC, Meibergdreef 9, 1105 AZ Amsterdam, the Netherlands; Department of Radiology, Lucas Center for Imaging, Stanford University, Stanford, Calif (V.M.); Department of Pediatric Rheumatology, Reade, Amsterdam, the Netherlands (K.M.D.); and Department of Pediatrics, Onze Lieve Vrouwe Gasthuis, Amsterdam, the Netherlands (K.M.D.)
| | - Robert Hemke
- From the Department of Radiology and Nuclear Medicine (A.M.B., E.C.v.G., A.J.N., M.M., R.H.), Department of Pediatric Immunology, Rheumatology and Infectious Disease (A.M.B., E.C.v.G., D.S.M., A.N.S.a.R., J.M.v.d.B., T.W.K.), and Department of Pediatrics (C.M.N.), Amsterdam University Medical Centers, location AMC, Meibergdreef 9, 1105 AZ Amsterdam, the Netherlands; Department of Radiology, Lucas Center for Imaging, Stanford University, Stanford, Calif (V.M.); Department of Pediatric Rheumatology, Reade, Amsterdam, the Netherlands (K.M.D.); and Department of Pediatrics, Onze Lieve Vrouwe Gasthuis, Amsterdam, the Netherlands (K.M.D.)
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