Blastomycosis [Disease/Finding] A fungal infection that may appear in two forms: 1, a primary lesion characterized by the formation of a small cutaneous nodule and small nodules along the lymphatics that may heal within several months; and 2, chronic granulomatous lesions characterized by thick crusts, warty growths, and unusual vascularity and infection in the middle or upper lobes of the lung. D001759 Blastomycosis M0002647 C0005716 Blastomycosis C1314 69996000 1025849 N0000000568 Dermatomycoses [Disease/Finding]