SEARCHED TERM
Incipient tuberculosis
DEFINITION
Individuals with M. tuberculosis infection in whom progression to tuberculosis has started and who have no symptoms, no radiographic abnormalities suggestive of tuberculosis, and negative microbiological investigations.
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SOURCE DEFINITION
Individuals with tuberculosis infection in whom progression to TB disease has started and who have no symptoms, no radiographic abnormalities suggestive of TB and negative microbiological investigations. Individuals with incipient disease are very likely to develop active TB within a short time of initial evaluation. A subset of patients with incipient disease (primarily immunocompetent patients) will not progress to active disease.
OTHER DEFINITIONS
Prolonged asymptomatic phase of early disease during which pathology evolves, prior to clinical presentation as active disease
Constellation of upper lobe opacities over 2 cm2 in size, not attributable to another disease and occurring in an asymptomatic, apparently immunocompetent host with prior TB exposure.
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