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Case Reports
. 2016 Jan;29(1):103-7.
doi: 10.1515/jpem-2015-0248.

Prepubertal Gynecomastia and Chronic Lavender Exposure: Report of Three Cases

Case Reports

Prepubertal Gynecomastia and Chronic Lavender Exposure: Report of Three Cases

Alejandro Diaz et al. J Pediatr Endocrinol Metab. .

Abstract

Introduction: Prepubertal gynecomastia is a rare condition characterized by the growth of breast tissue in males as a consequence of early exposure to sexual hormones. When this condition is present, pathological sources of testosterone/estrogen production, such as adrenal or gonadal tumors must be searched for. A few reports have described an association between gynecomastia and substances that produce stimulation of the estrogen receptor, such as lavender and tea tree oil.

Methods: Here we describe the cases of three boys who presented with prepubertal gynecomastia and were chronically exposed to lavender. Two of these boys were exposed to a cologne, named agua de violetas, used by Hispanic communities in the US, and in their countries of origin.

Results: We studied a sample of the cologne used by one of the patients. Analysis of the chemical composition of the agua de violetas cologne was performed using high-performance liquid chromatography as well as off-line mass spectrometric detection. All these, combined with the physical appearance and the smell, determined that the cologne had lavender as an ingredient.

Conclusion: Exposure to estrogenic substances, such as lavender, should be explored in children presenting with prepubertal gynecomastia/thelarche.

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