title: Squamous cell carcinoma in situ (Bowen's disease) arising in seborrheic keratosis: three lesions in two patients.
abstract: Three lesions showing squamous cell carcinoma in situ (Bowen's disease) within seborrheic keratosis are reported: 2 were located symmetrically on the legs of one of the patients, with a lesion recurring after surgery. Nests of atypical cells were seen in the transitional zone between the 2 components of the third lesion.
authors.affiliation: Departments of Pathology, Medical School, University Hospital Clinic, Valencia, Spain.
authors.forename: J C
authors.initials: JC
authors.lastname: Monteagudo
authors.forename: E
authors.initials: E
authors.lastname: Jorda
authors.forename: C
authors.initials: C
authors.lastname: Terencio
authors.forename: A
authors.initials: A
authors.lastname: Llombart-Bosch
mesh_terms: D000368:Aged; D001913:Bowen's Disease / Q000209:etiology* / Q000473:pathology / Q000601:surgery; D002294:Carcinoma, Squamous Cell / Q000209:etiology*; D012628:Dermatitis, Seborrheic / Q000150:complications* / Q000473:pathology; D005260:Female; D006801:Humans; D007642:Keratosis / Q000150:complications* / Q000473:pathology; D007866:Leg; D008875:Middle Aged; D009364:Neoplasm Recurrence, Local; D012878:Skin Neoplasms / Q000209:etiology* / Q000473:pathology / Q000601:surgery