Pediatric original tuberculosis
Primary tuberculosis in children is the most common form of primary tuberculosis. It is the primary infection that occurs after the first invasion of tuberculosis into the lungs. It is the main type of tuberculosis in children, accounting for 85.3% of all types of childhood tuberculosis. Primary tuberculosis includes primary syndrome and bronchial lymph node tuberculosis. The former is composed of primary lung lesions, local lymph node lesions, and lymphangiitis connected to the two; the latter is mainly swollen lymph nodes in the thorax, while the primary lung lesions are either small in size or covered by mediastinum X-ray film could not be detected, or the primary lesion had been absorbed, leaving only locally enlarged lymph nodes, so it was clinically diagnosed as bronchial lymph node tuberculosis. These two are not the same type, namely, the original type of tuberculosis.
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