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  • Title: Case Series and Review of the Literature of Mycobacterium chelonae Infections of the Lower Extremities.
    Author: Yu E, Forg P, Crum-Cianflone NF.
    Journal: J Foot Ankle Surg; 2020; 59(5):1084-1091. PubMed ID: 32507603.
    Abstract:
    Mycobacterium chelonae infections involving the lower extremities are rare clinical entities that present a diagnostic challenge given its diverse clinical presentations ranging from superficial (e.g., cellulitis, painful vesicular lesions) to deep (e.g., tenosynovitis) infections. We present 1 cases of M chelonae infections of the feet diagnosed 6 to 12 months after initial symptoms representing the difficulty of diagnosing this condition. Both cases were successfully managed with aggressive surgical debridement and long durations of antibiotic therapy with long-term care. A comprehensive review of the literature of M chelonae infections of the lower extremities was performed to provide summary data on the presenting symptoms, examination findings, predisposing conditions, and management approaches of this rare, but emerging clinical entity. Our cases and comprehensive review serve to raise awareness of atypical mycobacterial infections, including M chelonae, and advocate for the early consideration of mycobacterial cultures in the diagnostic workup of chronic lower extremity infections especially in the setting of poor initial response to standard antibacterial therapies.
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