Hydroa vacciniforme (HV) is a rare photosensitivity disorder with onset in childhood. Oral mucosal involvement seems to be rare. We report a case of a 14-year-old boy who had a recurrent papulovesicular necrotic facial eruption. One year prior to presentation at our clinic, his skin symptoms appeared after sun exposure. The eruption resolved in a few weeks with some varicellalike scars. After he used strict photoprotection (Photoderm Max; Bioderma, Lyon, France), there was no recurrence of his cutaneous disorder. In May 2005, he was referred to our clinic with a new relapse of his skin rash triggered by 2 days of sun exposure without any photoprotection. He complained of severe mouth and lip pain. There were no symptoms of ocular involvement.
Wierzbicka E, Malthieu F, Villers A, Guillet G. Oral Involvement in Hydroa Vacciniforme. Arch Dermatol. 2006;142(5):647–651. doi:10.1001/archderm.142.5.651
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