title: Hyperkeratotic Bowen disease--a case report.
abstract: A 70-year-old woman of Indian descent, with Fitzpatrick type IV skin type, presented with a 1-year history of a hyperkeratotic facial plaque. She also exhibited numerous signs of chronic sun damage. Hyperkeratotic squamous cell carcinoma in-situ was diagnosed after skin biopsy. It is important to remember that darkly pigmented patients do develop skin cancers.
authors: Shyam B
authors: SB
authors: Verma
mesh_terms: D000368:Aged; D001913:Bowen's Disease / Q000473:pathology* / Q000601:surgery; D002294:Carcinoma, Squamous Cell / Q000473:pathology* / Q000601:surgery; D005148:Facial Dermatoses / Q000473:pathology* / Q000601:surgery; D005260:Female; D006801:Humans; D007642:Keratosis / Q000209:etiology / Q000473:pathology / Q000601:surgery; D012867:Skin / Q000473:pathology / Q000528:radiation effects; D012878:Skin Neoplasms / Q000473:pathology* / Q000601:surgery; D013472:Sunlight / Q000009:adverse effects