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Nontuberculous mycobacteria. Nontuberculous mycobacteria (NTM), also known as environmental mycobacteria, atypical mycobacteria[1] and mycobacteria other than tuberculosis (MOTT), are mycobacteria which do not cause tuberculosis or leprosy/Hansen's disease. NTM are able to cause pulmonary diseases that resemble tuberculosis. [2]
Disease. Scrofula is the term used for lymphadenopathy of the neck, usually as a result of an infection in the lymph nodes known as lymphadenitis. It can be caused by tuberculous or nontuberculous mycobacteria. About 95% of the scrofula cases in adults are caused by Mycobacterium tuberculosis, most often in immunocompromised patients (about 50% ...
Runyon II organisms (scotochromogens) are slow-growing and produce a yellow-orange pigment regardless of whether they are grown in the dark or the light. The group includes Mycobacterium scrofulaceum and Mycobacterium gordonae, among others. Mycobacterium szulgai is a scotochromogen when grown at 37 degrees, as mentioned above.
Infectious diseases. Mycobacterium avium-intracellulare infection (MAI) is an atypical mycobacterial infection, i.e. one with nontuberculous mycobacteria or NTM, caused by Mycobacterium avium complex (MAC), which is made of two Mycobacterium species, M. avium and M. intracellulare. [ 1 ] This infection causes respiratory illness in birds, pigs ...
Mycobacterium is a genus of over 190 species in the phylum Actinomycetota, assigned its own family, Mycobacteriaceae. This genus includes pathogens known to cause serious diseases in mammals, including tuberculosis (M. tuberculosis) and leprosy (M. leprae) in humans. The Greek prefix myco- means 'fungus', alluding to this genus' mold -like ...
The 2007 guideline “Official American Thoracic Society (ATS) and Infectious Diseases Society of America (IDSA) statement: diagnosis, treatment, and prevention of non-tuberculosis mycobacterial diseases”, notes that M. fortuitum isolates are usually susceptible to multiple oral antimicrobial agents, including the macrolides, quinolones, some tetracyclines, and sulfonamides, as well as the ...
Mycobacteroides abscessus (formerly Mycobacterium abscessus[1]) is a species of rapidly growing, multidrug-resistant, nontuberculous mycobacteria (NTM) that is a common soil and water contaminant. Although M. abscessus most commonly causes chronic lung infection and skin and soft tissue infection (SSTI), it can also cause infection in almost ...
Thorel et al. 1990. Mycobacterium avium complex is a group of mycobacteria comprising Mycobacterium intracellulare and Mycobacterium avium that are commonly grouped because they infect humans together; this group, in turn, is part of the group of nontuberculous mycobacteria. These bacteria cause Mycobacterium avium-intracellulare infections or ...