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Primary TB is acquired by inhalation of airborne organisms and occurs in patients not previously exposed to Mycobacterium tuberculosis.It commonly affects infants and children in endemic areas.
Patients of PTB/EPTB also present with fever, loss of appetite and loss of weight, chest pain or dyspnea.
Role of imaging in CTBCTB is conventionally divided into primary and post-primary (or reactivation) TB (PPT), each with corresponding radiological patterns, albeit with considerable overlap.
In the current review, we discuss the most common types of CTB, namely PTB and EPTB (pleural/lymph nodal).
Cough greater than 2 weeks is the primary criterion to suspect PTB.
Koch's assistant Julius Richard Petri (1852-1921) developed the Petri dish, which made the observation of bacteria even easier.
Koch and his team also developed ways of staining bacteria to improve the bacteria’s visibility under the microscope, and were able to identify the bacterial causes of tuberculosis (1882) and cholera (1883).
Chest tuberculosis (CTB) is a widespread problem, especially in our country where it is one of the leading causes of mortality.
The article reviews the imaging findings in CTB on various modalities.
Literature is lacking and no consensus exists on use of ultrasound (USG), CT, and magnetic resonance imaging (MRI) in such patients.
With India having a large burden of TB, it is important to have established imaging criteria and recommendations.