Prepubertal Gynecomastia Linked to Lavender and Tea Tree Oils
2007; Massachusetts Medical Society; Volume: 356; Issue: 5 Linguagem: Inglês
10.1056/nejmoa064725
ISSN1533-4406
AutoresDerek V. Henley, Natasha Lipson, Kenneth S. Korach, C Bloch,
Tópico(s)Genetic and rare skin diseases.
ResumoMost cases of male prepubertal gynecomastia are classified as idiopathic. We investigated possible causes of gynecomastia in three prepubertal boys who were otherwise healthy and had normal serum concentrations of endogenous steroids. In all three boys, gynecomastia coincided with the topical application of products that contained lavender and tea tree oils. Gynecomastia resolved in each patient shortly after the use of products containing these oils was discontinued. Furthermore, studies in human cell lines indicated that the two oils had estrogenic and antiandrogenic activities. We conclude that repeated topical exposure to lavender and tea tree oils probably caused prepubertal gynecomastia in these boys.
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