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Janetos TM, Lee PHA, Goldstein DA. Tubulointerstitial Nephritis and Uveitis Syndrome in Pediatric Patients. Ocul Immunol Inflamm 2023; 31:1955-1964. [PMID: 37983806 DOI: 10.1080/09273948.2023.2279689] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2023] [Accepted: 10/31/2023] [Indexed: 11/22/2023]
Abstract
Tubulointerstitial nephritis and uveitis (TINU) syndrome is a disorder that was originally described in 1975. The syndrome, although diagnosed in all age ranges, is more frequently reported in pediatric patients. Diagnosis can be difficult, and its clinical spectrum is still being defined. In this article, we review the epidemiology, diagnosis, pathogenesis, clinical findings, prognosis, and treatment of both the ocular and renal disease. We comment on the current difficulties in diagnosis and study of the disease, its expanding clinical spectrum, and treatment strategies in pediatric patients.
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Affiliation(s)
- Timothy M Janetos
- Department of Ophthalmology, Northwestern University Feinberg School of Medicine, Chicago, Illinois, USA
| | | | - Debra A Goldstein
- Department of Ophthalmology, Northwestern University Feinberg School of Medicine, Chicago, Illinois, USA
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Huang L, Kim DT, Rosenberg CR, Lin P, Suhler E. Diagnosis and Characteristics of Presentation of Tubulointerstitial Nephritis and Uveitis Syndrome During the COVID-2019 Pandemic. Ocul Immunol Inflamm 2023:1-8. [PMID: 37699166 PMCID: PMC10927609 DOI: 10.1080/09273948.2023.2244077] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2023] [Revised: 07/12/2023] [Accepted: 07/30/2023] [Indexed: 09/14/2023]
Abstract
PURPOSE To compare the diagnosis and clinical features of tubulointerstitial nephritis and uveitis syndrome (TINU) before and during the COVID-19 pandemic. METHODS Retrospective chart review. RESULTS Before the COVID-19 pandemic (March 2017 to March 2019), 1/561 (0.18%) new patient was diagnosed with TINU. During the pandemic (March 2020 to March 2022), 15/581 (2.58%) new patients were diagnosed with TINU. We found a significant increase in TINU cases during the pandemic (P=0.0005). Various posterior segment findings were observed in 2/3 (66.7%) patients before the pandemic and 13/15 (86.7%) patients during the pandemic, including disc edema, chorioretinal scars, disc leakage, and peripheral vascular leakage. CONCLUSION This is the first study reporting an increased number of TINU during the COVID-19 pandemic. With most of the American population now exposed to COVID-19, a large multi-center epidemiological study would be helpful to investigate any association of COVID-19 disease or vaccination with TINU in recent years.
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Affiliation(s)
- Lingling Huang
- Casey Eye Institute, Oregon Health & Science University, Portland, OR, USA
| | - David Ta Kim
- Casey Eye Institute, Oregon Health & Science University, Portland, OR, USA
- University of British Columbia, Vancouver, British Columbia, Canada
| | | | - Phoebe Lin
- Casey Eye Institute, Oregon Health & Science University, Portland, OR, USA
- Cole Eye Institute, Cleveland Clinic, Cleveland, OH, USA
| | - Eric Suhler
- Casey Eye Institute, Oregon Health & Science University, Portland, OR, USA
- VA Portland Health Care System, Portland, OR, USA
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Palamaris K, Stylianou K, Destouni M, Stofas A, Theodoropoulou H, Kroustalakis N, Dermitzaki EK, Petrakis I, Pleros C, Theochari I, Sarantis P, Paliouras C, Gakiopoulou H. Tubulointerstitial Nephritis and Uveitis Syndrome: A Report of 6 Cases with Renal Biopsy and Electron Microscopy Evaluation. Nephron Clin Pract 2023; 148:204-214. [PMID: 37611557 DOI: 10.1159/000533402] [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: 09/28/2022] [Accepted: 06/24/2023] [Indexed: 08/25/2023] Open
Abstract
Tubulointerstitial nephritis with uveitis syndrome is a rare, immune-mediated entity, characterized by oculo-renal inflammation. Diagnosis requires the exclusion of all other causes of tubulointerstitial nephritis (TIN). We present 6 patients with clinical, laboratory, and renal biopsy findings denotative of tubulointerstitial nephritis with uveitis syndrome. All our patients experienced ocular and renal manifestations, defined by bilateral uveitis and photosensitivity, along with a decline of renal function. In some patients, increased serum creatinine was accompanied by non-nephrotic range proteinuria, glucosuria or "full-blown" Fanconi syndrome. The rest of the laboratory evaluation was normal apart from the presence of elevated erythrocyte sedimentation rate and increased urine β2-microglobulin, as well as normochromic, normocytic anemia in some cases. All patients underwent renal biopsy. Histochemical (PAS, Masson, silver, Congo-red) and immunohistochemical stains for immune cell populations (CD3, CD20, CD4, CD8, PGM1, CD138) and for the assessment of β2-microglobulin were conducted. Electron microscopy examination of the biopsies was also performed. Follow-up, ranging from 18 months to 10 years, was available for 4 patients. Histological evaluation revealed interstitial inflammatory infiltration consisting mainly of lymphocytes, with a T-cell predominance, along with several macrophages. Inflammation severity varied among different patients, with some showing scarce foci of immune cell clusters, while others demonstrated a dense, diffuse interstitial infiltration. Interestingly, in 2 cases, a granulomatous pattern, characterized by non-necrotic, ill-defined granulomas was detected. Tubulitis was also encountered in some patients. A divergence was noted regarding the chronicity index, with different levels of tubular atrophy, interstitial fibrosis, and global glomerulosclerosis among different cases. β2-Microglobulin immunohistochemical evaluation revealed a substantial diminishment of cytoplasmic staining in tubular epithelial cells compared to control kidneys. The most notable finding derived from electron microscopy examination was the presence, in 1 patient, of scattered granular electron-dense deposits along some tubular basement membranes. First-line treatment included steroids, supplemented in some cases by additional immunosuppressive agents. Three patients experienced a partial or complete response, while progressive renal damage was observed in a case with severe chronic lesions and persistence of inflammation-triggering factor. Our cases seem to represent progressive stages within the continuum of disease evolution. Patients with more prominent inflammation might represent a more initial state, while those with a more severe chronicity index, probably depict more advanced stages. While the predominance of T-cells predicates a cell-mediated autoimmune mechanism, as the driving force of the disease occurrence, the presence of immune complexes in more advanced stages might indicate the involvement of humoral immunity as a late event during the disease course.
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Affiliation(s)
- Kostas Palamaris
- First Department of Pathology, School of Medicine, National and Kapodistrian University of Athens, Athens, Greece,
| | - Kostas Stylianou
- Nephrology Department, Heraklion University Hospital, Heraklion, Greece
| | - Maria Destouni
- First Department of Pathology, School of Medicine, National and Kapodistrian University of Athens, Athens, Greece
| | - Anastasios Stofas
- First Department of Pathology, School of Medicine, National and Kapodistrian University of Athens, Athens, Greece
| | | | | | | | - Ioannis Petrakis
- Nephrology Department, Heraklion University Hospital, Heraklion, Greece
| | - Christo Pleros
- Nephrology Department, Heraklion University Hospital, Heraklion, Greece
| | - Irene Theochari
- First Department of Pathology, School of Medicine, National and Kapodistrian University of Athens, Athens, Greece
| | - Panagiotis Sarantis
- Department of Biological Chemistry, National and Kapodistrian University of Athens, Athens, Greece
| | | | - Harikleia Gakiopoulou
- First Department of Pathology, School of Medicine, National and Kapodistrian University of Athens, Athens, Greece
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Southgate G, Clarke P, Harmer MJ. Renal outcomes in tubulointerstitial nephritis and uveitis (TINU) syndrome: a systematic review and meta-analysis. J Nephrol 2023; 36:507-519. [PMID: 36396848 DOI: 10.1007/s40620-022-01478-8] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2022] [Accepted: 10/01/2022] [Indexed: 11/19/2022]
Abstract
BACKGROUND Tubulointerstitial nephritis and uveitis syndrome (TINU) is a rare condition characterised by bilateral uveitis and interstitial nephritis. There is no nationally, or internationally agreed upon treatment regimen. A systematic review was undertaken to report the renal outcomes in TINU, and treatments used. METHODS Medline (1969-2021) and EMBASE (1988-2021) databases were searched for primary studies, clinical practice guidelines and case reports of adult and paediatric TINU cases, as defined by Mandeville criteria. Two reviewers identified articles meeting inclusion criteria (registered with PROSPERO). Data were extracted into a synthesis table and meta-analysis performed. Quality of case series was also assessed. RESULTS One hundred twenty-two articles were identified, totalling 257 cases included in the meta-analysis. Females were more commonly affected than males (2:1), and median age was 19 years. GFR at follow-up correlated with nadir GFR, and the proportion with GFR <90 ml/min/1.73 m2 was statistically different between adult and paediatric groups. Of the entire cohort, 40% had GFR <90 ml/min/1.73 m2 at follow-up. Glucocorticoid monotherapy was the most common treatment (70%); other strategies included no treatment (9%) and immunosuppressant drugs (e.g. azathioprine), mostly in steroid-resistant cases, or as 'steroid-sparing' alternatives. CONCLUSIONS The majority of literature regarding TINU is limited to case reports and case series. There are no prospective trials assessing the effects of different treatments on renal outcomes, and currently employed treatment strategies are physician-specific without a reliable evidence-base. Prospective data collection as part of multicentre trials should be a research focus to improve the evidence-base.
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Affiliation(s)
- Genevieve Southgate
- Southampton Children's Hospital, University Hospital Southampton NHS Foundation Trust, Tremona Road, Southampton, SO16 6YD, UK
| | - Patrick Clarke
- Southampton Children's Hospital, University Hospital Southampton NHS Foundation Trust, Tremona Road, Southampton, SO16 6YD, UK
| | - Matthew J Harmer
- Southampton Children's Hospital, University Hospital Southampton NHS Foundation Trust, Tremona Road, Southampton, SO16 6YD, UK.
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Regusci A, Lava SAG, Milani GP, Bianchetti MG, Simonetti GD, Vanoni F. Tubulointerstitial nephritis and uveitis syndrome: a systematic review. Nephrol Dial Transplant 2022; 37:876-886. [PMID: 33561271 DOI: 10.1093/ndt/gfab030] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2020] [Indexed: 12/22/2022] Open
Abstract
BACKGROUND Tubulointerstitial nephritis and uveitis (TINU) syndrome is defined as the occurrence of tubulointerstitial nephritis (TIN) and uveitis in the absence of other systemic diseases. The most comprehensive review on this condition was published in 2001. METHODS We conducted a systematic review of the literature for cases of TINU syndrome. MEDLINE and Embase databases were screened. Full-length articles or letters reporting cases with both TIN and uveitis were selected. We investigated differences between males and females and paediatric and adult cases. Multivariate analysis was performed to identify potential risk factors for chronic kidney disease (CKD) development. RESULTS A total of 233 articles reporting 592 TINU cases were retained for the analysis. The median age of the included subjects was 17 years (interquartile range 13-46) with a female predominance (65%). Uveitis most frequently (52%) followed renal disease and was mostly anterior (65%) and bilateral (88%). Children tended to have more ocular relapses, while they were slightly less likely than adults to suffer from acute kidney injury and to develop CKD. Adult age as well as posterior or panuveitis were associated with an increased risk of developing CKD. CONCLUSIONS TINU affects both children and adults, with some differences between these two categories. Adult age and the presence of a posterior uveitis or panuveitis appear to be associated with the development of CKD.
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Affiliation(s)
- Alessia Regusci
- Pediatric Institute of Southern Switzerland, Ente Ospedaliero Cantonale, Bellinzona, Switzerland
| | - Sebastiano A G Lava
- Pediatric Cardiology Unit, Department of Pediatrics, Centre Hospitalier Universitaire Vaudois, University of Lausanne, Lausanne, Switzerland
| | - Gregorio P Milani
- Pediatric Unit, Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico Milan, Italy
- Department of Clinical Sciences and Community Health, Università degli Studi di Milano, Milan, Italy
| | - Mario G Bianchetti
- Faculty of Biomedical Sciences, University of Southern Switzerland, Lugano, Switzerland
| | - Giacomo D Simonetti
- Pediatric Institute of Southern Switzerland, Ente Ospedaliero Cantonale, Bellinzona, Switzerland
- Faculty of Biomedical Sciences, University of Southern Switzerland, Lugano, Switzerland
| | - Federica Vanoni
- Pediatric Institute of Southern Switzerland, Ente Ospedaliero Cantonale, Bellinzona, Switzerland
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Shivpuri A, Turtsevich I, Solebo AL, Compeyrot-Lacassagne S. Pediatric uveitis: Role of the pediatrician. Front Pediatr 2022; 10:874711. [PMID: 35979409 PMCID: PMC9376387 DOI: 10.3389/fped.2022.874711] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/12/2022] [Accepted: 07/08/2022] [Indexed: 11/17/2022] Open
Abstract
The challenges of childhood uveitis lie in the varied spectrum of its clinical presentation, the often asymptomatic nature of disease, and the evolving nature of the phenotype alongside normal physiological development. These issues can lead to delayed diagnosis which can cause significant morbidity and severe visual impairment. The most common ocular complications include cataracts, band keratopathy, glaucoma, and macular oedema, and the various associated systemic disorders can also result in extra-ophthalmic morbidity. Pediatricians have an important role to play. Their awareness of the various presentations and etiologies of uveitis in children afford the opportunity of prompt diagnosis before complications arise. Juvenile Idiopathic Arthritis (JIA) is one of the most common associated disorders seen in childhood uveitis, but there is a need to recognize other causes. In this review, different causes of uveitis are explored, including infections, autoimmune and autoinflammatory disease. As treatment is often informed by etiology, pediatricians can ensure early ophthalmological referral for children with inflammatory disease at risk of uveitis and can support management decisions for children with uveitis and possible underling multi-system inflammatory disease, thus reducing the risk of the development of irreversible sequelae.
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Affiliation(s)
- Abhay Shivpuri
- Rheumatology Department, Great Ormond Street Hospital for Children, London, United Kingdom
| | - Inga Turtsevich
- Rheumatology Department, Great Ormond Street Hospital for Children, London, United Kingdom
| | - Ameenat Lola Solebo
- Rheumatology Department, Great Ormond Street Hospital for Children, London, United Kingdom.,Biomedical Research Centre, Great Ormond Street Hospital for Children, London, United Kingdom.,University College London (UCL) Great Ormond Street Institute of Child Health, London, United Kingdom
| | - Sandrine Compeyrot-Lacassagne
- Rheumatology Department, Great Ormond Street Hospital for Children, London, United Kingdom.,Biomedical Research Centre, Great Ormond Street Hospital for Children, London, United Kingdom
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Petek T, Frelih M, Marčun Varda N. Tubulointerstitial nephritis and uveitis syndrome in an adolescent female: a case report. J Med Case Rep 2021; 15:443. [PMID: 34479628 PMCID: PMC8417986 DOI: 10.1186/s13256-021-03017-8] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2020] [Accepted: 07/20/2021] [Indexed: 12/02/2022] Open
Abstract
BACKGROUND Tubulointerstitial nephritis with uveitis syndrome is a rare disease affecting mainly children and young women. Tubulointerstitial nephritis with uveitis is a diagnosis of exclusion, requiring a high degree of clinical suspicion. Studies report recent infections or certain drugs as precipitating factors of a lymphocytic oculorenal immune response. The prognosis is usually favorable with topical and systemic corticosteroid therapy. CASE PRESENTATION We report a literature review and the case of a 14-year-old white girl, who presented to the ophthalmology department with features of one-sided uveitis. Upon transfer of patient to nephrological care, diagnostic work-up revealed renal involvement. Renal biopsy showed a mixed-cell and granulomatous tubulointerstitial nephritis with some noncaseating granulomas, leading to a diagnosis of tubulointerstitial nephritis with uveitis syndrome. With topical ocular and systemic corticosteroid therapy, the patients' condition improved over several weeks. CONCLUSIONS Our case highlights the importance of early recognition and treatment of this syndrome, where cross-specialty care typically leads to a favorable outcome.
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Affiliation(s)
- Tadej Petek
- Department of Pediatrics, University Medical Center Maribor, Ljubljanska ulica 5, Maribor, Slovenia.
| | - Maja Frelih
- Institute of Pathology, Faculty of Medicine, University of Ljubljana, Korytkova 2, Ljubljana, Slovenia
| | - Nataša Marčun Varda
- Department of Pediatrics, University Medical Center Maribor, Ljubljanska ulica 5, Maribor, Slovenia
- Faculty of Medicine, University of Maribor, Taborska ulica 8, Maribor, Slovenia
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Hayashi A, Takahashi T, Ueda Y, Sato Y, Okamoto T. Long-term clinical characteristics and renal prognosis of children with tubulointerstitial nephritis and uveitis syndrome. Pediatr Nephrol 2021; 36:2319-2325. [PMID: 33534000 DOI: 10.1007/s00467-021-04956-6] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/01/2020] [Revised: 12/15/2020] [Accepted: 01/19/2021] [Indexed: 10/22/2022]
Abstract
BACKGROUND Tubulointerstitial nephritis and uveitis (TINU) syndrome is a rare disease, especially in children. Owing to the short-term observational period and the small number of patients analyzed in previous reports, the long-term clinical and laboratory characteristics and renal prognosis of children with TINU syndrome remain unclear. METHODS In this retrospective observational study, we enrolled 29 children with TINU syndrome from February 1990 to February 2019. RESULTS During the median follow-up duration of 38 months, the kidney function, urinary β2 microglobulin-creatinine ratio (U-β2MG/Cr), and uveitis in the patients had significantly improved at 24, 6, and 36 months after diagnosis. Higher U-β2MG/Cr was associated with longer duration of kidney function normalization. Half of the patients required uveitis treatment for 5 years after the diagnosis. CONCLUSIONS Patients with severe low-molecular weight proteinuria at diagnosis needed a longer duration to achieve improvements in kidney function. Uveitis has a much longer treatment period than tubulointerstitial nephritis. This study demonstrates the good prognosis of children with TINU syndrome in terms of their long-term clinical and laboratory characteristics.
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Affiliation(s)
- Asako Hayashi
- Department of Pediatrics, Hokkaido University Graduate School of Medicine, Sapporo, Hokkaido, 060-8638, Japan.,Department of Pediatrics, Health Sciences University of Hokkaido Hospital, Sapporo, Hokkaido, 002-8072, Japan
| | - Toshiyuki Takahashi
- Department of Pediatrics, Hokkaido University Graduate School of Medicine, Sapporo, Hokkaido, 060-8638, Japan
| | - Yasuhiro Ueda
- Department of Pediatrics, Hokkaido University Graduate School of Medicine, Sapporo, Hokkaido, 060-8638, Japan
| | - Yasuyuki Sato
- Department of Pediatrics, Hokkaido University Graduate School of Medicine, Sapporo, Hokkaido, 060-8638, Japan
| | - Takayuki Okamoto
- Department of Pediatrics, Hokkaido University Graduate School of Medicine, Sapporo, Hokkaido, 060-8638, Japan.
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Koreishi AF, Zhou M, Goldstein DA. Tubulointerstitial Nephritis and Uveitis Syndrome: Characterization of Clinical Features. Ocul Immunol Inflamm 2020; 29:1312-1317. [DOI: 10.1080/09273948.2020.1736311] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Affiliation(s)
- Anjum F. Koreishi
- Department of Ophthalmology, Northwestern University Feinberg School of Medicine, Chicago, Illinois, USA
| | - Mei Zhou
- Department of Ophthalmology, Northwestern University Feinberg School of Medicine, Chicago, Illinois, USA
| | - Debra A. Goldstein
- Department of Ophthalmology, Northwestern University Feinberg School of Medicine, Chicago, Illinois, USA
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Etiologic Spectrum and Follow-Up Results of Noninfectious Uveitis in Children: A Single Referral Center Experience. Arch Rheumatol 2019; 34:294-300. [PMID: 31598595 DOI: 10.5606/archrheumatol.2019.7253] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2018] [Accepted: 11/20/2018] [Indexed: 11/21/2022] Open
Abstract
Objectives This study aims to investigate the etiologic spectrum, demographic features, and long-term follow-up results of children with noninfectious uveitis (NIU). Patients and methods Files of patients with NIU were reviewed between May 2010 and September 2017. The cohort consisted of 54 juvenile uveitis patients (26 males, 28 females; mean age 7.7 years; interquartile range [IQR] 9.2 years) with 93 affected eyes. Location of uveitis, laterality, age at onset of uveitis, complications of uveitis, duration of follow-up, associated systemic diseases, pertinent laboratory tests, medications used, and status of uveitis at the time of enrollment were recorded from the files. All patients had final systemic and ocular examination at the last month of enrollment. Results Twenty-seven patients (50.0%) had juvenile idiopathic arthritis (JIA), 17 (31.4%) had idiopathic uveitis, six (11.1%) had Behçet disease (BD), and four (7.5%) had tubulointerstitial nephritis and uveitis (TINU) syndrome. Median duration of follow-up for uveitis was 16 (IQR: 15) months. Anterior uveitis was seen in 81.4% of the patients (65.9% had bilateral and 34.1% had unilateral anterior uveitis). Bilateral intermediate uveitis was observed in 11.2% and bilateral panuveitis in 7.4% of the patients. At the time of enrollment, 45 uveitis patients (83.3%) were under remission. Complications of uveitis were observed in 18.5% of the patients. Conclusion Patients with JIA and BD should be regularly checked for uveitis. It is challenging to find an etiology in uveitis patients referred from ophthalmologists if initial questioning and examination do not reveal an overt rheumatologic disease. However, a simple urine test may help in establishing the diagnosis of TINU syndrome.
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