title: Squamous cell carcinoma and keratoacanthoma in discoid lupus erythematosus.
mesh_terms: D001706:Biopsy; D002294:Carcinoma, Squamous Cell / Q000150:complications* / Q000473:pathology; D006801:Humans; D007636:Keratoacanthoma / Q000150:complications* / Q000473:pathology; D008179:Lupus Erythematosus, Discoid / Q000150:complications* / Q000473:pathology; D008854:Microscopy, Electron; D012867:Skin / Q000473:pathology; D012878:Skin Neoplasms / Q000150:complications*