Evaluation of dental technician's pneumoconiosis using chest X-rayand HRCT: correlation between radiological and functional findings

Turk J Med Sci. 2017 Feb 27;47(1):252-259. doi: 10.3906/sag-1604-146.

Abstract

Background/aim: This study aimed to compare high-resolution computed tomography (HRCT) findings with those of chest X-ray (CXR) and to evaluate the relationship of pulmonary function test (PFT) parameters with HRCT and CXR findings in cases of dental technician's pneumoconiosis.

Materials and methods: CXR, PFT, and HRCT data of 89 dental technicians who were diagnosed with pneumoconiosis were retrospectively evaluated.

Results: The cases of 24 dental technicians (27%) classified as normal (Category 0) based on CXR were evaluated as Category 1 according to HRCT. There was an inverse correlation of PFT parameters with nodular profusion score in CXR and all HRCT parameters. In this participant sample, small opacities were predominant (70% of the individuals), and worsening of PFT parameters was associated with the prevalence of pulmonary parenchymal changes.

Conclusion: In the present study, micronodules detected using HRCT had an effect on pulmonary function worsening, which has not been reported in previous studies.

MeSH terms

  • Adult
  • Dental Technicians*
  • Female
  • Humans
  • Male
  • Pneumoconiosis* / diagnostic imaging
  • Pneumoconiosis* / epidemiology
  • Pneumoconiosis* / physiopathology
  • Radiography, Thoracic
  • Respiratory Function Tests
  • Retrospective Studies
  • Tomography, X-Ray Computed