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A case of blau syndrome
Krati Chauhan1, Clement Michet1
1Division of Rheumatology, Department of Internal Medicine, Mayo Clinic, Rochester, MN 55901, USA.
Case Reports in Rheumatology
|May 31, 2014
Summary
This case study highlights Blau syndrome, a rare genetic disorder mimicking Juvenile Idiopathic Arthritis. Early diagnosis and treatment with Adalimumab improved systemic and ocular inflammation.
Area of Science:
- Pediatric Rheumatology
- Ophthalmology
- Genetics
Background:
- Juvenile Idiopathic Arthritis (JIA) can present with systemic and ocular manifestations.
- Blau syndrome is a rare autosomal dominant genetic disorder characterized by granulomatous inflammation affecting multiple organs.
Purpose of the Study:
- To present a case of Blau syndrome initially misdiagnosed as JIA.
- To emphasize the importance of considering genetic disorders in complex pediatric cases.
Main Methods:
- Clinical case presentation.
- Review of patient history, diagnostic workup including biopsies.
- Genetic testing for Blau syndrome mutation.
- Treatment with Adalimumab.
Main Results:
- Patient initially diagnosed with polyarticular JIA developed systemic (liver, skin, pulmonary) and severe ocular (panuveitis, multifocal choroiditis) manifestations.
- Genetic testing confirmed Blau syndrome.
- Adalimumab treatment led to significant improvement in both ocular and systemic symptoms.
Conclusions:
- Blau syndrome should be considered in pediatric patients with unexplained systemic granulomatous inflammation and uveitis.
- Genetic testing is crucial for accurate diagnosis.
- Biologic therapy, such as Adalimumab, can be effective in managing Blau syndrome.
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