Sporothrix schenckii is a ubiquitous dimorphic fungus with a variety o
f clinical presentations, including imitation of other diseases such a
s pyoderma, rosacea, and pyoderma gangrenosum. A case in which sporotr
ichosis appeared as a keratoacanthoma-like nodule on the lower lip of
a young woman is presented, with treatment considerations and diagnost
ic pitfalls.