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Published on: November 5, 2019
[Pachymeningitis]
O Fain1, A Mekinian1
1Service de médecine interne, hôpital Saint-Antoine, AP-HP, DHUi2B, université Paris 6, 184, rue du Faubourg-Saint-Antoine, 75012 Paris, France.
Abstract:
Pachymeningitis is a fibrosing and inflammatory process, which involves the dura mater. Some pachymeningitis are cranial and induce headaches and cranial nerve palsies. Others are spinal and responsible for nerve roots or spinal cord compression. MRI shows contrast enhancement thickening of the dura mater. Etiologies are infectious (syphilis, tuberculosis, etc.) or inflammatory (sarcoidosis, granulomatosis with polyangiitis, IgG4-related disease, idiopathic). Corticosteroids are the main treatment. The use of immunosuppressive drugs or rituximab is yet to be determined and probably adapted to each etiology.
Insights
Pachymeningitis is a fibrosing inflammation of the dura mater, causing cranial or spinal issues. Treatment primarily involves corticosteroids, with other therapies pending further research.
Area of Science:
- Neurology
- Pathology
- Radiology
Background:
- Pachymeningitis involves fibrosing and inflammation of the dura mater.
- Cranial pachymeningitis can cause headaches and cranial nerve palsies.
- Spinal pachymeningitis may lead to nerve root or spinal cord compression.
Purpose of the Study:
- To summarize the key aspects of pachymeningitis, including its presentation, causes, and management.
- To highlight the diagnostic role of MRI in identifying dural thickening and enhancement.
- To discuss the current and potential therapeutic strategies for pachymeningitis.
Main Methods:
- Review of the clinical presentation and diagnostic findings of pachymeningitis.
- Analysis of the diverse etiologies, encompassing infectious and inflammatory causes.
- Evaluation of treatment modalities, focusing on corticosteroids and other immunosuppressive agents.
Main Results:
- Magnetic Resonance Imaging (MRI) reveals characteristic dural thickening with contrast enhancement.
- Etiologies include infectious diseases (e.g., tuberculosis, syphilis) and inflammatory conditions (e.g., sarcoidosis, granulomatosis with polyangiitis, IgG4-related disease).
- Corticosteroids are the established primary treatment for pachymeningitis.
Conclusions:
- Pachymeningitis is a significant dural inflammatory condition with varied clinical manifestations.
- Accurate diagnosis relies on clinical suspicion and characteristic MRI findings.
- While corticosteroids are the mainstay, the role of immunosuppressants and rituximab requires further investigation tailored to specific etiologies.
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