Bowen’s disease also known as squamous cell carcinoma in situ, a rare form of progressive, intraepidermal carcinoma, first described by John T. Bowen in 1912.We report a case of 62-year-old elderly male, retired teacher who presented with history of gradually expanding, asymptomatic, Pinkish-reddish raised lesion present on right thigh and left lumbar region since five years. Examination revealed sharply-demarcated, slightly elevated, erythematous, scaly and crusted plaque with dry and rough surface. Histological examination showed Hyperkeratosis, parakeratosis, with moderate lymphocytic infilterate in upper dermis. There was full Thickness anaplasia of the epidermis and atypical keratinocytes which are disorderly arranged.
Keywords: Squamous cell carcinoma in situ, Erythroplasia of Queyrat, Solar damage, Arsenic, Cauasian.
