title: Nasal septal carcinoma masquerading as acne rosacea.
abstract: A 57-year-old woman developed diffuse erythema of the nose that had been diagnosed as acne rosacea for 18 months. Biopsy showed infiltration deep in the nasal skin of a squamous cell carcinoma that extended from the nasal septum. Nasal septal tumors are rare; the most common is squamous cell carcinoma.
mesh_terms: D002294:Carcinoma, Squamous Cell / Q000473:pathology*; D003937:Diagnosis, Differential; D005260:Female; D006801:Humans; D008875:Middle Aged; D009300:Nasal Septum / Q000473:pathology; D009669:Nose Neoplasms / Q000473:pathology*; D012393:Rosacea / Q000473:pathology*