Case report reveals severe lichen planus pemphigoides after hepatitis A vaccination in a child, highlighting a rare autoimmune presentation.
Background: Lichen planus (LP) pemphigoides (LPP) is a very rare autoimmune bullous disorder, that is, exceptional in children. Case Report: We report a case of LP pemphigoides with severe cutaneous and mucosal involvement in an 8-year-old girl who consulted for multiple vesicular and bullous lesions associated with shiny erythematous-purple plaques. The eruption occurred 2 months after vaccination against hepatitis A virus. The diagnosis of LP pemphigoides was confirmed by histopathology and immunofluorescence examination. The patient received oral corticosteroid therapy with rapid improvement. Conclusion: To our knowledge, this is the first report of LPP following hepatitis A vaccination, among adults and children.
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Lahouel et al. (2022) studied this question.
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