Derm Dx: White papule on the nose

A 54-year-old man presents complaining of a whitish papule on his nasal sidewall. He is uncertain how long it has been present but complains that it is embarrassing.

The patient’s past medical history is significant for renal cell carcinoma, which was treated with nephrectomy and basal cell carcinomas of the forearm, which were treated with wide local excision. What’s your ...