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Oral Isotretinoin Therapy: Use in a Patient With Multiple Cutaneous Squamous Cell Carcinomas and Keratoacanthomas
Abstract
An 83-year-old woman with multiple squamous cell carcinomas and keratoacanthomas of the legs was treated with orally administered isotretinoin (13 cis-retinoic acid). Complete regression of the tumors was noted during the initial six-month treatment period. In the subsequent 36 months, four new cutaneous tumors were excised. There have been no recurrences of lesions that regressed while the patient was receiving retinoid therapy.
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