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Adult-onset Still's disease presenting with aseptic meningitis: a case report
Xiao-Fen Li1, Amy Ker2,3, Hong-Li Liao1
1Department of Rheumatology, Liuzhou People's Hospital, Guangxi Medical University, Liuzhou, Guangxi Zhuang Autonomous Region, China.
Abstract:
Adult-onset Still's disease (AOSD) is a systemic autoinflammatory disorder characterized by high spiking fever, evanescent rash, arthritis, sore throat, and lymphadenopathy. The pathogenesis of AOSD remains unclear. Neurological involvement in AOSD is uncommon. This case report describes an atypical presentation of AOSD complicated by aseptic meningitis, where the true rarity lies in the unusually severe neurological involvement and associated complications, including empty sella. A 56-year-old female was admitted with a one-year history of recurrent high-grade fever, fatigue, accompanied by seizures and episode of altered consciousness lasting for over 17 hours. During the course of hospitalization, she exhibited polyarticular swelling and pain, seizures and impaired consciousness. Laboratory analysis revealed leukocytosis and markedly elevated serum ferritin levels. Brain magnetic resonance imaging (MRI) showed diffuse leptomeningeal enhancement. Infectious, demyelinating, and other etiologies were excluded based on CSF analysis and other evaluations. A diagnosis of aseptic meningitis secondary to AOSD was made. The patient was treated with cyclosporine, tocilizumab, intrathecal dexamethasone, and methotrexate, resulting in marked clinical improvement. This case highlights the importance of recognizing uncommon neurological manifestations of AOSD and underscores that severe complications such as empty sella may occur and require prompt recognition and treatment.
Insights
Adult-onset Still's disease (AOSD) can cause rare, severe neurological issues like aseptic meningitis. This case highlights unusual complications and effective treatment strategies for this autoinflammatory disorder.
Area of Science:
- Rheumatology
- Neurology
- Internal Medicine
Background:
- Adult-onset Still's disease (AOSD) is a rare systemic autoinflammatory disorder.
- Neurological involvement is an uncommon manifestation of AOSD.
- The pathogenesis of AOSD and its neurological complications remain incompletely understood.
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