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Related Experiment Videos

High resolution computed tomographic findings in pulmonary tuberculosis

O N Hatipoğlu1, E Osma, M Manisali

  • 1Chest Department, Dokuz Eylül University, Inciralti, Izmir, Turkey.

Thorax
|April 1, 1996
PubMed
Summary

High-resolution computed tomography (HRCT) effectively identifies active pulmonary tuberculosis, distinguishing it from inactive disease. Key HRCT findings like centrilobular lesions and "tree-in-bud" appearance aid in determining disease activity and treatment decisions.

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Area of Science:

  • Radiology
  • Pulmonology
  • Infectious Diseases

Background:

  • Standard chest radiographs may miss minimal exudative tuberculosis.
  • Active pulmonary tuberculosis diagnosis can be challenging with conventional imaging.

Purpose of the Study:

  • To assess high-resolution computed tomographic (HRCT) findings in active pulmonary tuberculosis.
  • To evaluate HRCT's utility in differentiating active from inactive tuberculosis.

Main Methods:

  • HRCT scans were performed on 32 patients with newly diagnosed active pulmonary tuberculosis and 34 with inactive disease.
  • Diagnosis of active tuberculosis was confirmed by sputum/washing analysis and/or serial radiographic changes.

Main Results:

  • Active tuberculosis showed common HRCT findings of centrilobular lesions (29 patients), "tree-in-bud" appearance (23 patients), and macronodules (22 patients).

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  • Inactive tuberculosis exhibited fibrotic lesions (34 patients), bronchovascular distortion (32 patients), emphysema (28 patients), and bronchiectasis (24 patients).

    • Conclusions:

    • Centrilobular densities and "tree-in-bud" appearance are characteristic CT features of active pulmonary tuberculosis.
    • HRCT effectively differentiates active lesions from old fibrotic changes and reveals bronchogenic spread, aiding treatment decisions.