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primary tuberculosis

 

Definition: first infection by Mycobacterium tuberculosis, typically seen in children but also occurs in adults, characterized in the lungs by the formation of a primary complex consisting of small peripheral pulmonary focus with spread to hilar or paratracheal lymph nodes; may proceed to cavitate or heal with scarring or may progress.

Synonym(s): childhood type tuberculosis

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© Copyright 2017 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.
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