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  2. Tuberculosis - Wikipedia

    en.wikipedia.org/wiki/Tuberculosis

    Roughly one-quarter of the world's population has been infected with M. tuberculosis, [6] with new infections occurring in about 1% of the population each year. [11] However, most infections with M. tuberculosis do not cause disease, [169] and 90–95% of infections remain asymptomatic. [87] In 2012, an estimated 8.6 million chronic cases were ...

  3. Diagnosis of tuberculosis - Wikipedia

    en.wikipedia.org/wiki/Diagnosis_of_tuberculosis

    Depending on the sort of patient population surveyed, as few as 20%, or as many as 75% of pulmonary tuberculosis cases may be without symptoms. [2] Tuberculosis should be suspected in adults when a pneumonia-like illness has persisted longer than three weeks, or when a respiratory illness in an otherwise healthy individual does not respond to ...

  4. Tree-in-bud sign - Wikipedia

    en.wikipedia.org/wiki/Tree-in-bud_sign

    It also includes lung manifestations of autoimmune diseases such as Sjögren syndrome or rheumatoid arthritis. [ 3 ] [ 4 ] Histopathologic studies have shown that the tree-in-bud pattern is caused by demarcation of the normally invisible branching course of the peripheral airways, which usually results from bronchioles being plugged or blocked ...

  5. Mycobacterium tuberculosis - Wikipedia

    en.wikipedia.org/wiki/Mycobacterium_tuberculosis

    Symptoms of M. tuberculosis include coughing that lasts for more than three weeks, hemoptysis, chest pain when breathing or coughing, weight loss, fatigue, fever, night sweats, chills, and loss of appetite. M. tuberculosis also has the potential of spreading to other parts of the body. This can cause blood in urine if the kidneys are affected ...

  6. Hemoptysis - Wikipedia

    en.wikipedia.org/wiki/Hemoptysis

    It does not necessarily involve coughing. In other words, it is the airway bleeding. This can occur with lung cancer, infections such as tuberculosis, bronchitis, or pneumonia, and certain cardiovascular conditions. Hemoptysis is considered massive at 300 mL (11 imp fl oz; 10 US fl oz).

  7. What Is White Lung Pneumonia? Doctors Explain Signs and Symptoms

    www.aol.com/lifestyle/white-lung-pneumonia...

    White lung syndrome, or white lung pneumonia, is getting attention after an outbreak in Ohio. Experts explain symptoms, causes, treatment, and prevention.

  8. Walking pneumonia is spreading. Doctors share the tell-tale ...

    www.aol.com/walking-pneumonia-spreading-doctors...

    The tell-tale signs of walking pneumonia are not obvious. Illnesses caused by mycoplasma pneumoniae tend to be milder than infections caused by the more common bacterial pneumonia, streptococcus ...

  9. Subclinical infection - Wikipedia

    en.wikipedia.org/wiki/Subclinical_infection

    For example, hosts of Mycobacterium tuberculosis bacteria will only develop active tuberculosis in approximately one-tenth of cases; [6] the majority of those infected by Mtb bacteria have latent tuberculosis, a non-infectious type of tuberculosis that does not produce symptoms in individuals with sufficient immune responses. [7]