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Updated: Jul 8, 2026

High-speed Video Microscopy Analysis for First-line Diagnosis of Primary Ciliary Dyskinesia
05:32

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Published on: January 19, 2022

Early Structural Lung Changes in Primary Ciliary Dyskinesia (PCD).

Phil Robinson1,2,3, Megumi Yokote2

  • 1Departments of Respiratory and Sleep Medicine, Royal Children's Hospital, Parkville, Australia.

Pediatric Pulmonology
|July 7, 2026
PubMed
Summary

Structural lung changes are evident in children with Primary Ciliary Dyskinesia (PCD) from an early age. This underscores the need for prompt PCD diagnosis and early therapeutic interventions to prevent irreversible lung damage.

Keywords:
HRCTPCDbronchiectasisprimary ciliary dyskinesiaradiologysurveillance

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Area of Science:

  • Pediatric Pulmonology
  • Radiology
  • Genetics

Background:

  • Primary Ciliary Dyskinesia (PCD) is an inherited autosomal recessive disorder affecting muco-ciliary clearance.
  • Delayed diagnosis of PCD often leads to detectable structural lung disease.
  • Early intervention is crucial to prevent irreversible lung damage.

Purpose of the Study:

  • To investigate the extent of early structural lung changes in children with PCD.
  • To analyze chest CT scans in children aged 3 years with PCD.

Main Methods:

  • Cross-sectional study involving 15 children with proven PCD.
  • Surveillance chest CT scans were performed during stable clinical periods.
  • Assessment of bronchial wall thickening, bronchiectasis, collapse/consolidation, and air trapping in each lung lobe.

Main Results:

  • Bronchial wall thickening observed in 50% of all lung lobes.
  • Bronchiectasis present in 38% of lobes; collapse/consolidation in 32%; air trapping in 20%.
  • Lower lobes showed higher prevalence of bronchial wall thickening (80%) and bronchiectasis (63%) compared to upper and middle lobes.

Conclusions:

  • Structural lung changes in PCD are present from early childhood.
  • Early diagnosis of PCD is critical for timely management.
  • The findings emphasize the need for effective early therapeutic strategies.