7.4 Anatomical site of the disease

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    Pulmonary tuberculosis (PTB) case

    Patient with TB involving lung parenchyma.

    Extrapulmonary tuberculosis (EPTB) case

    Patient with TB involving organs other than the lungs.

     

    Notes:

    • Patients with miliary TB are recorded as PTB cases.
    • Patients with TB involving lung parenchyma and organs other than the lungs are recorded as PTB cases. If a PTB develops during an EPTB treatment course, patients should be reclassified as PTB cases.
    • Patients with intra-thoracic lymph node TB (mediastinal and/or hilar) or TB pleural effusion and no lung abnormalities on chest x-ray are recorded as EPTB cases.