title: Squamous-cell carcinoma arising in a basal-cell epithelioma treated with 5-fluorouracil.
abstract: Intralesional injection of 5-fluorouracil has recently been reported as a possible method of treatment for an assortment of benign and malignant cutaneous neoplasms. We report the development of squamous-cell carcinoma within a basal-cell epithelioma that was treated with intralesional injections of 5-FU.
mesh_terms: D000328:Adult; D002280:Basal Cell Carcinoma / Q000150:complications* / Q000188:drug therapy / Q000473:pathology; D002294:Carcinoma, Squamous Cell / Q000139:chemically induced* / Q000150:complications / Q000473:pathology; D005472:Fluorouracil / Q000009:adverse effects* / Q000627:therapeutic use; D006801:Humans; D008297:Male; D009378:Neoplasms, Multiple Primary / Q000473:pathology*; D012878:Skin Neoplasms / Q000139:chemically induced*
chemical_list: D005472:Fluorouracil