Any of several infections of the skin or mucous membrane caused by Blastomyces WordNet 3.0 & Open English WordNet

Blastomycosis, also known as Gilchrist's disease, is a fungal infection, typically of the lungs, which can spread to brain, stomach, intestine and skin, where it appears as crusting purplish warty plaques with a roundish bumpy edge and central depression. Wikipedia

A fungal skin disease Wikipedia Disambiguation

Primary systemic mycosis that results in a systemic fungal infection, has material basis in Blastomyces dermatitidis, transmitted by airborne spores and has symptom skin lesions, has symptom lung lesions and has symptom pleural thickening Wikidata