07 April 2020 : Case report
Disseminated Disease by Mycobacterium abscessus and Mycobacterium celatum in an Immunocompromised Host
Challenging differential diagnosis, Unusual setting of medical care, Rare disease, Adverse events of drug therapy , Educational Purpose (only if useful for a systematic review or synthesis)Maria Elena Locatelli1ABEF*, Salvatore Tosto1BD, Vincenzo D’Agata1BD, Paolo Bonaventura1BF, Rosaria S. Grasso1BD, Andrea Marino1EF, Alessio Pampaloni1EF, Daniele Scuderi1F, Federica Cosentino1F, Bruno Cacopardo1ADEG
Am J Case Rep 2020; 21:e921517
BACKGROUND: Nontuberculous mycobacteria (NTM) are environmental pathogens that cause an increasing number of diseases, in particular in immunosuppressed patients. Diagnosing NTM infections may be difficult because clinical presentation is unspecific and resembles other conditions such as tuberculosis, lymphomas, or septicemia.
CASE REPORT: We report the case of a 62-year-old male with a recent history of autologous bone marrow transplantation for a follicular lymphoma admitted to our department for long-lasting remittent fever and abscess-like splenic nodules. The patient was diagnosed with mixed systemic infection by Mycobacterium abscessus and Mycobacterium celatum localized in spleen, bone marrow and kidneys.
CONCLUSIONS: In this case a rare disseminated atypical mycobacteriosis was diagnosed and treated. As far as we know this is the first case in the literature of M. abscessus localization either in the spleen or in the bone marrow. Our patient underwent a complex long-term therapy and had a complete resolution of the disease.
Keywords: Immunocompromised Host, Mycobacterium Infections, Nontuberculous, Nontuberculous mycobacteria, Anti-Bacterial Agents, Bone Marrow Transplantation, Lymphoma, Follicular, Middle Aged, Mycobacterium, Mycobacterium abscessus
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