CT in adults with tuberculosis of the chest: characteristic findings and role in management.

The frequency of tuberculosis decreased continuously until 1985, when the trend reversed, mainly because of the large number of cases in patients with AIDS 1-3. Pulmonary tuberculosis remains a common disease in North America, particularly in groups such as the socioeconomically disadvantaged, the elderly, chronically debilitated patients, immigrants, refugees, and prisoners 1-3. The prevalence and incidence of the disease are still high in endemic areas 4.