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Case Reports
. 2021 Nov 16:19:54-57.
doi: 10.1016/j.jdcr.2021.11.001. eCollection 2022 Jan.

Cutaneous Mycobacterium chelonae infection presenting clinically as a mycetoma

Katie Dreher  1 , Amanda Ederle  2 , Eric Rosenbaum  3 , Rodrigo Valdes-Rodriguez  4
Affiliations
Case Reports

Cutaneous Mycobacterium chelonae infection presenting clinically as a mycetoma

Katie Dreher et al. JAAD Case Rep. .
No abstract available

Keywords: AFB, acid-fast bacilli; Mycobacterium chelonae; NTM, nontuberculous mycobacteria; infectious disease; mycetoma; mycobacteria; nontuberculous mycobacteria; rapidly growing.

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Conflict of interest statement

None disclosed.

Figures

Fig 1
Fig 1
Cutaneouos Mycobacterium chelonae infection. A, Initial clinical presentation showing violaceous, friable, ulcerated nodules scattered on the left medial lower extremity. B, Clinical image taken at 2-month follow-up showing worsening of lesions. There are multiple, grouped, erythematous nodules on the left medial lower extremity with ulceration, purulent crusting, and sinus tract formation. C, Improvement of patient's lesions seen after 3 months of combined antibiotic therapy with tobramycin, linezolid, and azithromycin.
Fig 2
Fig 2
Dark brown granule seen on wet preparation of purulence aspirated from one of the patient's draining sinus tracts.
Fig 3
Fig 3
Cutaneous Mycobacterium chelonae infection. A, Neutrophilic dermal inflammation intermixed with scattered lymphocytes and histiocytes (hematoxylin-eosin stain). B, Acid-fast bacilli apparent on acid-fast bacilli staining.
Fig 4
Fig 4
Mycobacterial colonies growing on the blood agar plate used for acid-fast bacilli tissue culture. Mycobacterium chelonae was identified via mass spectrometry.
See this image and copyright information in PMC

References

    1. Gonzalez-Santiago T.M., Drage L.A. Nontuberculous mycobacteria: skin and soft tissue infections. Dermatol Clin. 2015;33(3):563–567. doi: 10.1016/j.det.2015.03.017. - DOI - PubMed
    1. Philips R.C., Hoyer P.E., White S.M., et al. Cutaneous nontuberculous mycobacteria infections: a retrospective case series of 78 patients from the Texas Gulf Coast region. J Am Acad Dermatol. 2019;81(3):730–739. doi: 10.1016/j.jaad.2019.04.022. - DOI - PubMed
    1. Henkle E., Winthrop K.L. Nontuberculous mycobacteria infections in immunosuppressed hosts. Clin Chest Med. 2015;36(1):91–99. doi: 10.1016/j.ccm.2014.11.002. - DOI - PMC - PubMed
    1. Rivero-Lezcano O.M., González-Cortés C., Mirsaeidi M. The unexplained increase of nontuberculous mycobacteriosis. Int J Mycobacteriol. 2019;8(1):1–6. doi: 10.4103/ijmy.ijmy_18_19. - DOI - PubMed
    1. Uslu U., Böhm O., Heppt F., Sticherling M. Skin and soft tissue infections caused by Mycobacterium chelonae: more common than expected? Acta Derm Venereol. 2019;99:889–893. doi: 10.2340/00015555-3230. - DOI - PubMed

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