China Journal of Leprosy and Skin Diseases ›› 2022, Vol. 38 ›› Issue (3): 182-184.doi: 10.12144/zgmfskin202203182

• Case Reports • Previous Articles     Next Articles

Infectious granuloma due to Mycobacterium fortuitum: a case report

CHEN Zuoxi1,2, WANG Na2, YU Changping2, SHI Zhongxiang2, PAN Qing2, BAO Fangfang2, LU Xianmei2, WANG Zhenzhen2, LIU Hong2, ZHANG Furen2   

  1. 1 Cheeloo College of Medicine, Shandong University, Jinan 250012, China;
    2 Shandong Provincial Hospital for Skin Diseases & Shandong Provincial Institute of Dermatology and Venereology, Shandong First Medical University, Jinan 250022, China
  • Online:2022-03-15 Published:2022-01-05
  • Contact: ZHANG Furen, E-mail: zhangfuren@hotmail.com

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Abstract: A 41-year-old man presented with a 2-month history of scattered tender nodules, plaques in his trunk and lower limbs. Before the onset of lesions, he was injured on the lateral right thigh and swam in a river. Histopathological examination revealed a dermal infectious granuloma. Mycobacterium fortuitum was confirmed by bacteria identification and PCR. No immunological or infection-related mutation was found by whole exome sequencing. The diagnosis of infectious granuloma due to Mycobacterium fortuitum was made. The patient was treated with levofloxacin, clarithromycin, abscess incision, drainage etc., and the condition improved obviously.

Key words: Mycobacterium fortuitum, infectious granuloma, whole exome sequencing