Background: Infection with human herpesvirus 7 (HHV-7) generally results in a febrile illness with accompanying exanthema subitum. Objectives: To ascertain and describe the role of HHV-7 in a case of acute myeloradiculoneuropathy. Patient: A previously healthy young man with complaints of motor weakness, dysphasia, and nasal voice. Methods: Serological examinations were performed with the patient's serum. We also examined virus genome DNA in cerebrospinal fluid by regular and realtime polymerase chain reaction. Moreover, we checked the antiganglioside antibody level in the patient's serum samples by the immunoblot analysis. Results: Serological studies revealed significant change in titers of antibodies against cytomegalovirus, Epstein-Barr virus, and HHV-7, but only HHV-7 genome was detected in the cerebrospinal fluid, with its disappearance after therapy. No antiganglioside antibody was detected in the patient's serum. Conclusion: The unique clinical picture of the present patient might be closely related to the reactivation of HHV-7 in the nervous system.
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