Trumpeter's wart
Encyclopedia
A trumpeter's wart is a cutaneous condition characterized by a firm, fibrous, hyperkeratotic
nodule on the upper lip of a trumpet player.
Hyperkeratosis
Hyperkeratosis is thickening of the stratum corneum, often associated with a qualitative abnormality of the keratin, and also usually accompanied by an increase also in the granular layer...
nodule on the upper lip of a trumpet player.