[Lichen ruber atrophicus et exulcerans with malignant degeneration].
D003873:Dermatitis, Exfoliative / Q000150:complications*; D005076:Exanthema; D006801:Humans; D008011:Lichens; D012878:Skin Neoplasms / Q000209:etiology*
DERMATITIS EXFOLIATIVA/complications; SKIN NEOPLASMS/etiology