pseudotuberculosis

/sooh'doh too berr'kyeuh loh"sis, -tyoo-/, n. Pathol.

1. an acute, sometimes fatal disease of rodents, birds, and other animals, including humans, caused by the bacterium Yersinia (Pasteurella) pseudotuberculosis, and characterized by the formation of nodules resembling those that result from tuberculosis.

2. any disease resembling tuberculosis but caused by an organism other than Mycobacterium tuberculosis.

[1895-1900; PSEUDO- + TUBERCULOSIS; def. 1 after the specific epithet of the bacterium causing the disease]

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▪ pathology

      any of various diseases not caused by the tubercle bacillus but marked by the formation of tubercle-like nodules. Pseudotuberculous disorders of humans, now seldom called pseudotuberculosis, include actinomycosis, glanders, and nocardiosis (q.v.); pseudotuberculous thyroiditis is now designated granulomatous thyroiditis (see thyroiditis). In veterinary medicine, “pseudotuberculosis” denotes caseous lymphadenitis, a disease of sheep and goats caused by Corynebacterium pseudotuberculosis, and Yersinia pseudotuberculosis infection, occurring in many mammals and birds.

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