“…Recommendations for management of keratoacanthomas have ranged from simple observation, surgical excision with wide margins, 10,13,19 curettage with or without electrodesiccation, 1,9,20 cryosurgery, 21 radiotherapy, 1,6,22 intralesional injection and topical application of 5‐fluorouracil, 1,23,24 combined topical chemotherapy, 11 administration of methotrexate orally 1,6 and bleomycin intravenously, 5 to intralesional injection of adrenocorticosteroids with or without hyaluronidase 11,25,26 …”