Chest x-ray interpretation – Miliary Tuberculosis

http://en.wikipedia.org/wiki/Miliary_tuberculosis

Miliary tuberculosis (also known as “disseminated tuberculosis”,[1] “tuberculosis cutis acuta generalisata”,[1] and “Tuberculosis cutis disseminata”[1]) is a form of tuberculosis that is characterized by a wide dissemination into the human body and by the tiny size of the lesions (1–5 mm). Its name comes from a distinctive pattern seen on a chest X-ray of many tiny spots distributed throughout the lung fields with the appearance similar to millet seeds—thus the term “miliary” tuberculosis. Miliary TB may infect any number of organs, including the lungs, liver, and spleen. It is a complication of 1–3% of all TB cases.[2]

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