title: Squamous cell carcinoma of the nail bed.
abstract: A case is presented of squamous cell carcinoma developed from carcinoma in situ of the nail bed of the first finger in a 79-year-old patient. Stress is laid upon the importance of the differential diagnosis. Surgery is considered the treatment of choice for this uncommon condition.
mesh_terms: D000368:Aged; D002294:Carcinoma, Squamous Cell / Q000175:diagnosis / Q000473:pathology*; D003937:Diagnosis, Differential; D005260:Female; D006801:Humans; D009262:Nails / Q000473:pathology*; D012871:Skin Diseases / Q000473:pathology*