A 78-year-old man consulted for this rapidly enlarging tumor on the left side of his nose. The lesion was present for 3 months. The possible clinical diagnoses were keratoacanthoma, squamous cell carcinoma, and basal cell carcinoma.Derm
oscopy revealed whitish halo (A) and linear-irregular vessels (B). The lesion was excised and pathology was in favor of a squamous cell carcinoma.