Two Cases of Cutaneous Infection by Alternaria alternata on Senile Purpura Site / 대한의진균학회지

ABSTRACT

Genus Alternaria is a species of dematiaceous fungi that is commonly found in the atmosphere or in the soil. It can cause hypersensitivity pneumonitis, bronchial asthma, or allergic rhinitis in immunocompromised host such as patient with organ transplantation or long-term steroid using patient. It can rarely cause skin infection. Case 1 was a 74-year-old man with well demarcated and elevated erythematous plaque with irregular scattered pustules on his right forearm. Case 2 was a 77-year-old woman with well demarcated elevated erythematous nodules within erythematous patch on her right forearm. In both cases, the lesions started at the senile purpura site. Herein, we report 2 rare cases of Alternaria alternata on senile purpura site to share the experience.