title: Malignant transformation of hypertrophic lichen planus.
authors.forename: Sujata
authors.initials: S
authors.lastname: Sengupta
authors.forename: Jayanta Kumar
authors.initials: JK
authors.lastname: Das
authors.forename: Asok
authors.initials: A
authors.lastname: Gangopadhyay
mesh_terms: D002294:Carcinoma, Squamous Cell / Q000209:etiology*; D002471:Cell Transformation, Neoplastic; D005260:Female; D006801:Humans; D007866:Leg; D008010:Lichen Planus / Q000150:complications* / Q000473:pathology*; D008875:Middle Aged; D012878:Skin Neoplasms / Q000209:etiology*