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Diffuse panbronchiolitis: correlation of high-resolution CT and pathologic findings.

K Nishimura1, M Kitaichi, T Izumi

  • 1Chest Disease Research Institute, Kyoto University, Japan.

Radiology
|September 1, 1992
PubMed
Summary
This summary is machine-generated.

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Diffuse panbronchiolitis (DPB) causes chronic airflow limitation. High-resolution computed tomography (HRCT) effectively visualizes characteristic centrilobular lesions and airway dilation in DPB patients.

Area of Science:

  • Pulmonary Medicine
  • Radiology
  • Pathology

Background:

  • Diffuse panbronchiolitis (DPB) is a chronic inflammatory lung disease.
  • It is characterized by airflow limitation and bronchiolar lesions.
  • Radiographic findings often include diffuse small nodular shadows.

Purpose of the Study:

  • To investigate the nature and pathogenesis of radiologic features in DPB.
  • To correlate high-resolution computed tomography (HRCT) findings with histopathologic features.
  • To elucidate the characteristic imaging patterns of DPB.

Main Methods:

  • Comparison of HRCT images from nine DPB patients with inflated lung specimens.
  • Detailed analysis of HRCT findings including nodular and linear opacities, airway dimensions, and air trapping.

Related Experiment Videos

  • Correlation of imaging findings with histopathological examination.

    • Main Results:

    • HRCT revealed centrilobular small rounded areas of attenuation and contiguous branched linear areas.
    • Dilated airways with thickened walls were observed, often outside secondary pulmonary lobules.
    • Peripheral decreased lung attenuation indicated air trapping due to subpleural bronchiolar narrowing.

    Conclusions:

    • HRCT is highly effective in demonstrating the characteristic radiologic features of DPB.
    • The study elucidates the relationship between HRCT findings and the underlying pathology of DPB.
    • HRCT provides detailed insights into bronchiolar lesions and air trapping in this condition.