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Published on: September 28, 2022
A case of hypertrophic pachymeningitis with prolonged headache, attributable to Epstein-Barr virus
Hirohisa Okuma1, Satoko Kobori, Yukito Shinohara
1Department of Neurology, Tokai University Tokyo Hospital, Tokyo, Japan.
Abstract:
Hypertrophic pachymeningitis is a condition characterized by significant chronic inflammatory thickening of the cranial dura mater, frequently presenting with symptoms such as headache and cranial neuropathy. In this report, we describe a very rare case of hypertrophic pachymeningitis, considered to be attributable to Epstein-Barr virus (EBV), which was diagnosed in a patient who visited our hospital with a complaint of ongoing severe headaches. The diagnosis was based on positive specific serum EBV antibody titers, with VCA-IgM levels of less than 1:10, VCA-IgG levels of 1:160, and EBNA levels of 1:40, as well as on the results of magnetic resonance imaging of the head with contrast media.
Insights
This report details a rare case of hypertrophic pachymeningitis, a dural thickening condition, potentially caused by Epstein-Barr virus (EBV). Diagnosis involved specific EBV antibody titers and MRI findings in a patient with severe headaches.
Area of Science:
- Neurology
- Infectious Diseases
- Immunology
Background:
- Hypertrophic pachymeningitis involves chronic inflammatory thickening of the dura mater, often causing headaches and cranial nerve issues.
- Epstein-Barr virus (EBV) is a common human herpesvirus with diverse clinical manifestations.
Observation:
- A patient presented with severe, persistent headaches, prompting investigation for central nervous system pathology.
- Magnetic resonance imaging (MRI) of the head with contrast revealed characteristic findings suggestive of pachymeningitis.
Findings:
- The patient's diagnostic workup revealed positive serum antibody titers specific for Epstein-Barr virus (EBV).
- Specific EBV antibody titers included VCA-IgM <1:10, VCA-IgG 1:160, and EBNA 1:40, supporting a diagnosis of EBV infection.
- The clinical presentation and diagnostic findings were consistent with EBV-attributable hypertrophic pachymeningitis.
Implications:
- This case highlights EBV as a rare but potential cause of hypertrophic pachymeningitis, expanding the differential diagnosis for this condition.
- Early identification of EBV as an etiology may guide specific antiviral or immunomodulatory treatment strategies.
- Further research is warranted to elucidate the precise mechanisms linking EBV infection to dural inflammation and thickening.
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