Bacterium
mycobacterium kansasii
Subclass of:
Nontuberculous Mycobacteria
Definitions related to mycobacterium kansasii:
  • A slow-growing, photochromogenic species that is the etiologic agent of a tuberculosis-like disease in humans and is frequently isolated from human pulmonary secretions or tubercles. The incidence of infection is sharply increased among immunocompromised individuals. (Dorland, 28th ed)
    NLM Medical Subject Headings
    U.S. National Library of Medicine, 2025
  • A species of Mycobacterium that can cause tuberculosis and leprosy in mammals, but that is generally not dangerous to healthy people.
    NCI
    U.S. National Cancer Institute, 2021
  • Any bacterial organism that can be assigned to the species Mycobacterium kansasii.
    CDISC Terminology
    Clinical Data Interchange Standards Consortium (CDISC), 2021
  • Mycobacterium kansasii is an acid-fast bacillus (AFB) that is readily recognized based on its characteristic photochromogenicity, which produces a yellow pigment when exposed to light. In 1953, Buhler and Pollack first described the bacterium.
    Medscape
    WebMD, 2025
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