title: Long standing erythematous scaly plaque on the hand.
mesh_terms: D001706:Biopsy; D001913:Bowen's Disease / Q000473:pathology* / Q000532:radiotherapy; D002294:Carcinoma, Squamous Cell / Q000473:pathology*; D003937:Diagnosis, Differential; D005260:Female; D005500:Follow-Up Studies; D006801:Humans; D008875:Middle Aged; D012878:Skin Neoplasms / Q000473:pathology* / Q000532:radiotherapy; D013933:Thumb