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Published on: June 18, 2021
Brain stem infarction associated with familial Mediterranean fever and central nervous system vasculitis
Sebastian Luger1, Patrick N Harter, Michel Mittelbronn
1Department of Neurology, Goethe-University, Frankfurt am Main, Germany. sebastian.luger@kgu.de.
Abstract:
Familial Mediterranean fever (FMF) is an autoinflammatory autosomal recessive disease caused by mutations of the Mediterranean fever (MEFV) gene on chromosome 16p. Clinically, it is characterized by recurrent episodes of fever and painful polyserositis. An association of FMF with systemic vasculitis, namely Henoch-Schönlein purpura, polyarteritis nodosa and Behçet's disease has been described. Neurological manifestations of FMF occur rarely and include demyelinating (MS-like) lesions, posterior reversible encephalopathy syndrome, and pseudotumour cerebri. Hitherto hardly known, we herein present a young patient with a genetically proven FMF who suffered a brain stem infarction during a typical FMF attack. After a careful diagnostic workup including cerebrospinal fluid analysis, intra-arterial angiography and leptomeningeal biopsy, a FMF-associated central nervous system vasculitis was identified as the cause of stroke. The pathophysiological background and potential therapeutic strategies are discussed.
Insights
Familial Mediterranean fever (FMF), a genetic autoinflammatory disease, can rarely cause central nervous system vasculitis. This case study highlights FMF-associated vasculitis leading to brain stem infarction in a young patient.
Area of Science:
- Genetics
- Immunology
- Neurology
Background:
- Familial Mediterranean fever (FMF) is an autosomal recessive autoinflammatory disorder caused by MEFV gene mutations.
- FMF typically presents with recurrent fever and polyserositis, with rare neurological manifestations.
- Systemic vasculitis associations with FMF, including Henoch-Schönlein purpura and Behçet's disease, are documented.
Observation:
- A young patient with genetically confirmed FMF experienced a brain stem infarction during a typical FMF attack.
- Diagnostic workup included cerebrospinal fluid analysis, angiography, and leptomeningeal biopsy.
- Neurological manifestations of FMF are rare and poorly understood.
Findings:
- The patient's stroke was attributed to FMF-associated central nervous system vasculitis.
- This represents a rare but serious complication of Familial Mediterranean fever.
- The study details the diagnostic process for identifying CNS vasculitis in FMF.
Implications:
- Highlights a rare but critical neurological complication of FMF.
- Suggests the need for heightened awareness of CNS vasculitis in FMF patients presenting with neurological symptoms.
- Warrants further research into the pathophysiology and therapeutic strategies for FMF-associated CNS vasculitis.
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