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Correlation of microbiological yield with radiographic activity on chest computed tomography in cases of suspected pulmonary tuberculosis

Fig 1

The representative cases according to chest CT classification.

(A) definitely-active, with lesions including a cavity (B) probably-active, showing a “tree-in-bud” appearance or multiple non-calcified poorly circumscribed nodules without a cavity (C) indeterminate-activity, with lesions appearing mainly as non-calcified well-circumscribed nodules (D) probably-inactive, with lesions appearing mainly as calcified nodules or fibrotic bands.

Fig 1