Relapsing Pityriasis Rosea With HHV-7 Reactivation in an 11-Year-Old Girl.

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Engelmann, Ilka | Ogiez, Judith | Ogiez, Lucie | Lazrek, Mouna | Dewilde, Anny | Hober, Didier

Edité par CCSD ; American Academy of Pediatrics -

International audience. Pityriasis rosea (PR) usually presents as acute exanthema with oval erythematous-squamous lesions localized on the trunk, arms, and legs with spontaneous remission. We present an unusual case of PR with frequent relapses during a period of 7 years. An 11-year-old white female patient presented with many pruritic erythematous oval lesions on her trunk. A second episode followed 2 years later with several pruritic erythematous lesions on her lower limbs. During the following 5 years, the patient had several relapses per year, with 1 to 3 lesions on changing localizations. PR was diagnosed on the basis of the clinical presentation and detection of human herpesvirus 7 DNA. Spontaneous remission occurred without treatment in each episode. Relapsing PR is a rare form of PR characterized by a lower number of lesions and smaller sized lesions compared with the classic form of PR. Pediatricians should consider the diagnosis of relapsing PR even if only a single or few erythematous lesions are present.

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