Accidental inoculation blastomycosis.

The pathogenesis of blastomycosis as a primary pulmonary infection has been well established and widely accepted. The rate cases of primary cutaneous inoculation are in all documented instances related to "laboratory" accidents. A case of inoculation with a culture suspension of Blastomyces Dermatitidis is herein reported. A slow healing chancre remained active for about eight months.