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Middle ear mucosa in Ramsay Hunt syndrome
Y Fujiwara1, N Yanagihara, T Kurata
1Department of Otolaryngology, Ehime University School of Medicine, Japan.
Summary
Ramsay Hunt syndrome patients showed middle ear inflammation. Varicella-zoster virus (VZV) antigens were found, suggesting VZV causes these inflammatory changes.
Area of Science:
- Otolaryngology
- Virology
- Pathology
Background:
- Ramsay Hunt syndrome (herpes zoster oticus) is a viral infection affecting the facial nerve.
- The specific viral cause and its impact on the middle ear mucosa require further investigation.
Observation:
- Two patients with Ramsay Hunt syndrome were examined.
- Histopathologic analysis of middle ear mucosa adjacent to the facial nerve was performed.
Findings:
- Inflammatory changes were observed in the middle ear mucosa.
- Specific varicella-zoster virus (VZV) antigens were identified within cellular cytoplasm and nuclei.
- Herpes simplex virus (HSV) antigens were not detected.
Implications:
- These findings suggest a direct pathogenetic link between VZV infection and middle ear inflammation in Ramsay Hunt syndrome.
- Understanding the role of VZV in otologic manifestations can inform clinical management.
- Further research into VZV's impact on cranial nerves and surrounding tissues is warranted.