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Archivos argentinos de pediatría

Print version ISSN 0325-0075On-line version ISSN 1668-3501


RUIZ DEL OLMO IZUZQUIZA, Ignacio et al. Mycobacterium lentiflavum lymphadenitis: Two case reports. Arch. argent. pediatr. [online]. 2016, vol.114, n.5, pp.e329-e332. ISSN 0325-0075.

Lymphadenitis is the most common clinical feature in nontuberculous mycobacterium infection in immunocompetent children. We present two case reports of M. lentiflavum lymphadenitis diagnosed in a tertiary hospital in the last 10 years. Routine tests were performed after persistent adenopathy, and a sample for culture was obtained, being positive for this microorganism. Both patients received oral antibiotics during several weeks. Case 1 needed complete excision after five months of treatment, whilst Case 2 was cured by medical therapy. M. lentiflavum is considered, among the newly described nontuberculous mycobacterial species, an emergent pathogen in our environment. It has its own microbiological and clinical characteristics, different from the rest of nontuberculous mycobacteria. Case reports are limited in the literature since the infection was described for the first time in 1997.

Keywords : Lymphadenitis; Nontuberculous mycobacteria; Mycobacterium lentiflavum; Macrolides.

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