Tuberculosis - I.T. Pyatnochka 2005
Primary tuberculosis
Primary tuberculosis is defined as the form of the disease that develops in primarily infected individuals, accounting for no more than 1% of all newly diagnosed tuberculosis cases. It occurs predominantly in children and adolescents.
The period within one year following a tuberculin Skin test conversion, unaccompanied by signs of intoxication, is referred to as the period of early tuberculous infection.
Latent microbism is a bodily state characterized by the presence of extracellular, slowly multiplying mycobacteria (MB tuberculosis) in various Tissues—predominantly Lymph Nodes—without the specific tissue changes typically associated with tuberculous granulomas.
The Characteristic Features of primary tuberculosis include tuberculin skin test conversion, Organism hypersensitivity to MB tuberculosis, involvement of The Lymphatic system (lymph nodes) with a propensity for caseous necrosis, lymphogenous and hematogenous dissemination, the possibility of spontaneous recovery, and the presence of paraspecific reactions.
There are three main Clinical forms of primary tuberculosis: Tuberculous intoxication in children (tuberculosis without a clearly established localization); the Primary tuberculous complex; and Tuberculosis of intrathoracic lymph nodes.
Notably, primary tuberculosis can occasionally exhibit a chronic, undulating course accompanied by pronounced symptoms of tuberculous intoxication during exacerbations of the specific process in lymph nodes or other Organs. Chemotherapy does not always result in a sustained clinical cure.
Primary tuberculosis may also occur in adults, particularly the elderly, featuring the hallmark signs of the primary period along with a torpid course that presents diagnostic and therapeutic challenges.
Last update: 10/08/2026
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