Corynebacterium ulcerans as filamentous branching rods

Abstract

A 33-year-old man presented at the hospital because of a left axillary adenitis which appeared one month before. He had no prior medical history and was up-to-date on his vaccinations. He had two dogs and had been in recent contact with cattle in the course of his work as a rat exterminator. Physical examination revealed a growing and inflammatory axillary lesion associated with a dry cough. Blood analysis revealed hypereosinophilia (eosinophils count: 2.53x109/L). The Gram staining of the lymph node aspiration showed Gram-variable filamentous branching rods (Fig.