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BackgroundLangerhans cell histiocytosis (LCH) is a rare disease, frequently affecting young children.
ProcedureWe performed a retrospective study in patients younger than 16 years old manifesting with skin symptoms, and documented their different cutaneous lesions and systemic symptoms. We compared subgroups of children with single‐system, skin‐only, and multisystem disease and sought signs predictive...
Background. Reports of positive patch test and photopatch test reactions to the chemical ultraviolet filter octocrylene have increased during the last decade. Little is known about the reason for octocrylene's allergenic activity.
Objectives. To present and discuss the results of patch tests and photopatch tests with octocrylene, and to investigate the possible cause of its allergenic properties....
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