Cutaneous blastomycosis as a complication of transthoracic needle aspiration.

A patient with an ill defined density in the left upper lobe underwent transthoracic needle aspiration. A diagnosis of Blastomyces dermatitidis was made from the aspiration. The patient later returned with a cutaneous ulcer at the site of needle aspiration. B dermatitidis was subsequently recovered from the skin lesion.