A Case of Cutaneous <i>Mycobacterium chelonae</i> Infection Diagnosed by the Colonies Yielded on Sabouraud's Medium

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  • TSUTSUMI Masahiro
    Division of Dermatology, Yame General Hospital Department of Dermatology, Kurume University School of Medicine
  • MATSUDA Mitsuhiro
    Division of Dermatology, Yame General Hospital Department of Dermatology, Kurume University School of Medicine
  • KAWAMURA Miyuki
    Department of Dermatology, Kurume University School of Medicine
  • NAKAMA Takekuni
    Department of Dermatology, Kurume University School of Medicine

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Other Title
  • サブロー培地に発育したコロニーより診断に至った <i>Mycobacterium chelonae</i> 皮膚感染症の 1 例
  • 症例 サブロー培地に発育したコロニーより診断に至ったMycobacterium chelonae皮膚感染症の1例
  • ショウレイ サブローバイチ ニ ハツイク シタ コロニー ヨリ シンダン ニ イタッタ Mycobacterium chelonae ヒフ カンセンショウ ノ 1レイ

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Abstract

<p>An 85-year-old man with no underlying disease or prior trauma had suffered from red nodules on the back of his hand for 2 months. Culture of a skin biopsy specimen from the nodules yielded white colonies on Sabouraud's medium but not on Ogawa's medium. DNA-DNA hybridization revealed that the colonies were Mycobacterium chelonae (M. chelonae). The patient was treated with clarithromycin and levofloxacin. The erythema and nodules improved in 4 weeks and the treatment was stopped after 16 weeks. M. chelonae is a rare, rapidly-growing mycobacterium. Although most of the patients infected with this mycobacterium have prior trauma or underlying disease, its occurrence in healthy individuals has also been reported. The diagnosis of M. chelonae infection is often difficult because of the low positive rate of culture. M. chelonae colonies are most often seen on Sabouraud's medium or blood culture medium. Thus, for diagnosis, it is important to culture the samples in various media repeatedly. Currently, there is no standardized treatment regimen for M. chelonae infection. We summarized the procedure for treating cutaneous M. chelonae infection with antibiotics.</p>

Journal

  • Nishi Nihon Hifuka

    Nishi Nihon Hifuka 80 (4), 358-361, 2018-08-01

    Western Division of Japanese Dermatological Association

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