Use of topical sirolimus in the management of multiple familial trichoepitheliomas

Abstract

The management of trichoepitheliomas is challenging, especially in children. This challenge is exemplified in patients with multiple trichoepitheliomas who present with progression of lesion count and size despite treatment with current strategies, including CO₂ laser and surgery. We present the novel use of topical 1% sirolimus cream in two siblings with multiple facial trichoepitheliomas; one was treated with a combination of CO₂ laser ablation and topical sirolimus, and the other was treated with topical sirolimus alone. Both siblings had a reduction in the growth of new lesions with no reported side effects. This is the first report demonstrating that topical sirolimus, either in combination with CO₂ laser or alone, can be a promising treatment for trichoepitheliomas.

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