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Tuberculosis generally affects the lungs, but it can also affect other parts of the body. [1] Most infections show no symptoms, in which case it is known as latent tuberculosis . [ 1 ] Around 10% of latent infections progress to active disease that, if left untreated, kill about half of those affected. [ 1 ]
Edvard Munch, The Sick Child, 1885–86, depicts the illness of his sister Sophie, who died of tuberculosis when Edvard was 14; his mother too died of the disease. [1] Nasjonalgalleriet, Oslo. Through its effect on the world's population and major artists in various fields, tuberculosis has appeared in many
Mycobacterium tuberculosis (M. tb), also known as Koch's bacillus, is a species of pathogenic bacteria in the family Mycobacteriaceae and the causative agent of tuberculosis. [1] [2] First discovered in 1882 by Robert Koch, M. tuberculosis has an unusual, waxy coating on its cell surface primarily due to the presence of mycolic acid.
Tuberculosis is back to being the leading infectious disease killer across the globe, surpassing COVID-19, according to a recent report from the World Health Organization.. Nearly 8.2 million ...
Low body weight is associated with risk of tuberculosis. A body mass index (BMI) below 18.5 increases the risk by 2 to 3 times. An increase in body weight lowers the risk. [14] People with diabetes mellitus are at increased risk of contracting tuberculosis, [15] and they have a poorer response to treatment, possibly due to poorer drug ...
The U.N. health agency said more than 10 million people worldwide were sickened by tuberculosis in 2021, a 4.5% rise from the year before. WHO said about 450,000 cases involved people infected ...
Aspergilloma in an old tuberculosis cavity; healed, calcified tuberculous lesions are also present towards the right of the image Healed tuberculous cavity, where the entire left lung is destroyed. Post-tuberculosis lung disease (PTLD) is ongoing lung disease that is caused by tuberculosis (TB) but persists after the infection is cured. [1]
Mycobacterium tuberculosis is the most common cause of both pulmonary tuberculosis and tuberculous lymphadenitis. [1] [6] Historically, transmission of Mycobacterium bovis from dairy consumption was another frequent cause of tuberculous lymphadenitis, but incidence has drastically decreased in developed countries since the advent of pasteurization and other efforts to prevent bovine ...