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  • Title: The role of human herpes virus 6 and 7 in the pathogenesis of pityriasis rosea.
    Author: Yildirim M, Aridogan BC, Baysal V, Inaloz HS.
    Journal: Int J Clin Pract; 2004 Feb; 58(2):119-21. PubMed ID: 15055857.
    Abstract:
    Pityriasis rosea (PR) is an acute exanthematous inflammatory skin disease in which many epidemiological studies suggest a viral infection in its pathogenesis. Several viruses such as picornaviruses, parvoviruses and herpes viruses were accused as causative agents in PR. Human herpes virus-6 (HHV-6) and HHV-7 are newly discovered members of herpesviridae family. Several diseases including roseola infantum and PR have been linked with HHV-6 and HHV-7 in dermatology. We aimed to investigate the role of HHV-6 and HHV-7 in the pathogenesis of PR. Blood samples from 35 patients with acute PR and 30 healthy volunteers were examined to obtain titres for HHV-6 and HHV-7 antibodies. Anti-HHV-6 and -HHV-7 immunoglobulin (Ig) G antibodies were detected by IFA. The high titres of anti-HHV-6 IgG were determined in four patients and anti-HHV-7 IgG in only two of four patients. In our study, we haven't found any significant relationship between HHV-6, HHV-7 and PR. Our results were supported with the data of several previous studies.
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