primary tuberculosis

Diagnosis of primary tuberculosis in children by amplification and detection of mycobacterial DNA.

Lung, Primary Tuberculosis - focal opacity, consolidation, pleural effusion, lymphadenopathy, cavity, nodule.

AP Axial Lordotic projects the clavicles above the lung fields, allowing better visualization of the apices (which is extremely useful when looking for evidence of primary tuberculosis)

Firstly, the efficacy of BCG varies considerably from region to region; secondly, it is effective in preventing serious forms of primary tuberculosis but seems not to prevent the infected person from developing postprimary, often infectious, disease.

In countries where cow milk infected with Mycobacterium bovis has been eliminated (due to culling of infected cows and pasteurization), primary tuberculosis is usually caused by Mycobacterium tuberculosis and almost always begins in the lungs.