Tiny keratotic brown lesions on the interdigital web between the toes of a healthy man caused by Curvularia species infection and a review of cutaneous Curvularia infections |
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| Authors: | Makoto Yanagihara Masako Kawasaki Hiroshi Ishizaki Kazushi Anzawa Shun-ichi Udagawa Takashi Mochizuki Yukio Sato Nobuyuki Tachikawa Hiroyoshi Hanakawa |
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| Institution: | (1) Department of Dermatology, Shinseikai Toyama Hospital, 89-10 Shimowaka, Imizu 939-0243, Japan;(2) Department of Dermatology, Kanazawa Medical University, Uchinada Ishikawa, 920-0293, Japan;(3) Division of Dermatomycology, Research Center for Medical Science, Kanazawa Medical University, Uchinada Ishikawa, 920-0293, Japan;(4) Tama Laboratory, Japan Food Research Laboratories, 6-11-10 Nagayama, Tama Tokyo, 206-0025, Japan;(5) Faculty of Engineering, Toyama Prefectural University, Imizu Toyama, 939-0398, Japan |
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| Abstract: | A 74-year-old healthy Japanese man had noticed an itchy lesion with two tiny thick brown scales on the fourth interdigital
web of his right foot 3 months earlier. The brown fungus isolated from the scales had demonstrated brown, ellipsoidal, obovoid
or clavate, 3-septate conidia. Morphologically, the fungus was identified as Curvularia sp., and was differentiated from other human pathogenic species of the genus, such as C. lunata, C. pallescens, C. trifolii, C. clavata, and C. brachyspora, by molecular analysis based on the DNA sequence data. The fungus grows well on keratotic materials (hairs, nails, and callus),
which indicates that it might have the ability to infect the skin surface. |
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| Keywords: | Phaeohyphomycosis SEM Skin infection |
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