Molecular temporal bone pathology: II. Ramsay Hunt syndrome (herpes zoster oticus)

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Abstract

In 1907 J. Ramsay Hunt suggested that herpes zoster oticus resulted from a geniculate ganglionitis; however, many contemporary authors believe that this disorder represents a neuritis or polycranial neuropathy. Herpes varicella-zoster vital (VZV) DNA was identified, using the polymerase chain re-action, in archival celloidin-embedded temporal bone sections from two patients who clinically had Ramsay Hunt syndrome (herpes zoster oticus). The presence of VZV was confirmed by sequencing the PCR products. These experiments demonstrated that VZV genomic DNA was present in the geniculate ganglion of the side with facial paralysis and cutaneous recrudescence in both patients and in the clinically unaffected side in patient 1. In addition, patient 2 had a sudden hearing loss and was found to have VZV genomic DNA in sections from the affected side containing the spiral ganglion, Scarpa's ganglion, organ of Corti, and macula of the saceale. No VZV genomic DNA was identified in temporal bone sections from five patients with Bell's palsy and ten patients without evidence of otologic disease. In this study, the histopathology of these two cases yielded complementary information regarding the role of VZV in herpes zoster oticus. These data suggest that in patients with Ram-say Hunt syndrome, latent VZV is located in the geniculate ganglia and may be present in the auditory and vestibular primary afferent ganglia in some patients.

Original languageEnglish (US)
Pages (from-to)1165-1175
Number of pages11
JournalLaryngoscope
Volume107
Issue number9
DOIs
StatePublished - Sep 1997

All Science Journal Classification (ASJC) codes

  • Otorhinolaryngology

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