Miliary tuberculosis overview: Difference between revisions
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==Overview== | ==Overview== | ||
'''Miliary tuberculosis''' (or '''disseminated TB''') 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. | '''Miliary tuberculosis''' (or '''disseminated TB''') 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. | ||
==Pathophysiology== | |||
Tuberculosis (TB) infection can develop after inhaling droplets sprayed into the air from a cough or sneeze by someone infected with the [[Mycobacterium tuberculosis]] bacteria. Small areas of [[infection]], called [[granuloma]]s (granular [[tumor]]s), develop in the lungs. | |||
==References== | ==References== | ||
Revision as of 17:06, 11 December 2012
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Miliary tuberculosis Microchapters |
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Diagnosis |
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Treatment |
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Case Studies |
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Miliary tuberculosis overview On the Web |
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American Roentgen Ray Society Images of Miliary tuberculosis overview |
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Risk calculators and risk factors for Miliary tuberculosis overview |
Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]
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Overview
Miliary tuberculosis (or disseminated TB) 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.
Pathophysiology
Tuberculosis (TB) infection can develop after inhaling droplets sprayed into the air from a cough or sneeze by someone infected with the Mycobacterium tuberculosis bacteria. Small areas of infection, called granulomas (granular tumors), develop in the lungs.