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A Case of Cutaneous Alternariosis

Jung Hun Ko,Sung Han Kim,Kyu Chul Choi,Byoung Soo Chung
Epub 2016 February 20

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Abstract



Alternaria species are common plant pathogens and saprophytic fungi. Cutaneous alternariosis is rare and an opportunistic infection in both healthy and immunosuppressed hosts. We report a case of cutaneous alternariosis developed in a 60-year-old female with iatrogenic Cushing syndrome. She had several various sized confluent suppurative ulcers on erythematous plaques on the both forearm clinically. Histology showed mixed-cell granulomatous infiltration with epithelioid cells, lymphocytes, neutrophils and a few plasma cells in the dermis. Many branching septate hyphae and spores were noted within the granulomatous tissue stained with PAS. A fungal culture from biopsy specimen revealed Alternaria species; pigmented hyphae and cornidia which had both transverse and longitudinal septae. The cutaneous lesions treated with terbinafine, 250 mg daily, for 3 months and 1 year later there is no

evidence of recurrence.



Keywords


Cutaneous alternariosis Alternaria species




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