Miliary tuberculosis

Last revised by Jeremy Jones on 18 Sep 2021

Miliary tuberculosis is an uncommon pulmonary manifestation of tuberculosis. It represents hematogenous dissemination of uncontrolled tuberculous infection and carries a relatively poor prognosis. It is seen both in primary and post-primary tuberculosis and may be associated with tuberculous infection in numerous other tissues and organs.

Miliary deposits appear as 1-3 mm diameter nodules, which are uniform in size and uniformly distributed.

Similar findings to plain radiograph but may more elaborately show extent and distribution.

If treatment is successful no residual abnormality remains.

John Jacob Manget was the first to use the term miliary tuberculosis in 1700 5.

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Cases and figures

  • Figure 1: photograph - millet seeds
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