CTICasesMiliary Tuberculosis
Imaging findings
Chest radiograph and chest CT demonstrate a miliary pattern characterized by countless, tiny (1-2 mm), well-circumscribed micronodules distributed symmetrically and diffusely throughout both lungs, associated with bilateral basal consolidation and renal failure.
Key takeaways
Miliary tuberculosis is a life-threatening form of disseminated TB resulting from hematogenous spread of Mycobacterium tuberculosis. The classic radiographic and CT pattern consists of tiny, uniform, randomly distributed micronodules. It can be associated with multi-organ dysfunction, including renal failure, requiring urgent multi-drug therapy.
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