“…9 Although ALHE is considered a benign disease, it can be resistant to multiple therapies, and can become disfiguring to the patient. Several treatment modalities have been described in the literature, including excision, 10 electrodessication and curettage, 11 radiotherapy, 2 carbon dioxide laser, 12 pulsed dye lasers, 13 intralesional and systemic corticosteroid therapy, 14 cryosurgery, 15 pentoxifylline, 16 cessation of estrogen therapy, 3 systemic vinblastine sulfate, 17 oral retinoids, 18 and indomethacin. 19 Interferon alfa is a naturally occurring cytokine that has antiviral, antibacterial, anticancer, anti-inflammatory, and immunomodulatory effects.…”