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[Computer tomography findings in lung tuberculosis].

Tilmann Heinrich Kirchner1, Volkmar Jacobi, Ulrich Lörcher

  • 1Institut für Diagnostische und Interventionelle Radiologie, Klinikum Niederberg Velbert.

Rontgenpraxis; Zeitschrift Fur Radiologische Technik
|August 15, 2002
PubMed
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Computed tomography (CT) reveals common lung tuberculosis findings like micronodules and opacities. While not always present, tree-in-bud appearance can indicate severe disease spread.

Area of Science:

  • Radiology
  • Infectious Diseases
  • Pulmonology

Background:

  • Tuberculosis (TB) is a major global infectious disease.
  • Accurate diagnosis relies on identifying characteristic imaging findings.

Purpose of the Study:

  • To describe computed tomography (CT) findings in pulmonary tuberculosis.
  • To correlate CT findings with disease presentation and severity.

Main Methods:

  • Retrospective analysis of CT scans from 100 patients with proven pulmonary tuberculosis.
  • Standardized evaluation of imaging features.

Main Results:

  • The most frequent CT findings were micronodules, lobular opacities, and enlarged lymph nodes.
  • Cavitation and bronchial wall thickening were less common.

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  • The 'tree-in-bud' appearance was observed in 12% of cases, often associated with severe bronchogenic spread.

    • Conclusions:

    • Pulmonary tuberculosis lacks a single pathognomonic CT sign.
    • A combination of opacities, cavitation, and segmental micronodules suggests active disease.
    • The 'tree-in-bud' appearance is suggestive but indicates severe, widespread disease.