Nov 24, 2025 · In primary pulmonary tuberculosis, the initial focus of infection can be located anywhere within the lung and may be undetectable or may manifest as patchy areas of …

Tuberculosis, commonly also known as TB (short for tuberculosis or tubercle bacillus), is predominantly caused by Mycobacterium tuberculosis and spreads from human to human by …

CXR demonstrates signs of advanced pulmonary TB: Bilateral, coarse, predominantly upper lobe fibrosis with pleural thickening and callus formation, large, confluous cavities, diffuse …

Apr 21, 2025 · Occasionally immunity is inadequate and progressive primary TB develops with the potential for miliary spread. Nucleic acid amplification test and polymerase chain reaction …

May 8, 2025 · Tuberculosis (TB) is a mycobacterial airborne infection that is typically asymptomatic in children but can reactivate in later life, causing a destructive cavitating …

May 7, 2025 · Miliary tuberculosis represents hematogenous dissemination of uncontrolled tuberculous infection and carries a relatively poor prognosis. It is seen in primary and post …

Miliary tuberculosis is a widespread form of the disease as a result of hematogenous spread of Mycobacterium tuberculosis. It is classically referred to miliary pulmonary tuberculosis which …

Jul 17, 2025 · TB DNA has been isolated from bone marrow, and it seems possible that bacteria remain dormant in the hypoxic environment of bone marrow mesenchymal cells. These may …

People with active TB can spread the bacteria through the air. After the patient is diagnosed, they should hence not be in contact with others before undergoing treatment.

Aug 27, 2025 · Tree-in-bud pattern describes the CT appearance of multiple areas of centrilobular micronodules with a linear branching pattern, resembling a budding tree 11. Although initially …