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Volume 19, Number 5—May 2013

Letter

Cutaneous Mycobacterium shigaense Infection in Immunocompetent Woman, China

Pangen Cui, Varalakshmi Vissa, Wei Li, Xiaodong Zhang, Lin Lin, Hongsheng WangComments to Author , Xiaolin Liu, Qinxue Wu, and Wenkai Zong
Author affiliations: Institute of Dermatology, Chinese Academy of Medical Sciences, Jiangsu Key Laboratory of Molecular Biology for Skin Diseases and STIs, Jiangsu, China (P. Cui, X. Zhang, L. Lin, H. Wang, X. Liu, Q. Wu, W. Zong); Colorado State University, Fort Collins, Colorado, USA (V. Vissa, W. Li)

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Figure

Cutaneous Mycobacterium shigaense infection in a 56-year-old Immunocompetent woman, China. A)  Plaques, scars with scabbing, nodules, and concave scars on the face and neck and papules and scarring on the submaxilla. B) Histopathologic results, showing hyperplastic epidermis and infiltration with lymphocytes, neutrophilic leukocytes, multinuclear giant cells, and epithelioid cells in the dermis. C) Samples streaked  on Löwenstein–Jensen medium at 32°C formed smooth, yolk yellow creamy colonies.

Figure. . Cutaneous Mycobacterium shigaense infection in a 56-year-old immunocompetent woman, China. A) Plaques, scars with scabbing, nodules, and concave scars on the face and neck and papules and scarring on the submaxilla. B) Histopathologic results, showing hyperplastic epidermis and infiltration with lymphocytes, neutrophilic leukocytes, multinuclear giant cells, and epithelioid cells in the dermis. C) Samples streaked on Löwenstein–Jensen medium at 32°C formed smooth, yolk yellow creamy colonies. D) Ziehl–Neelsen staining of bacilli from the colonies that tested positive. E) Visible improvement of lesions after 4 months of treatment.

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