Diagnostic Utility of 3T Lung MRI in Children with Interstitial Lung Disease: A Prospective Pilot Study

Kushaljit Singh Sodhi1, Madhurima Sharma1, Edward Y Lee2

  • 1Department of Radiodiagnosis and Imaging, PGIMER, Sector-12, Chandigarh, 160012, India.

Academic Radiology
|December 15, 2017
PubMed

Insights

3-tesla MRI shows high specificity but low sensitivity for detecting interstitial lung disease in children. While effective for some findings like consolidation, it has limitations in identifying other ILD indicators compared to HRCT.

Area of Science:

  • Radiology
  • Pediatric Imaging
  • Pulmonology

Background:

  • Interstitial lung disease (ILD) in children presents diagnostic challenges.
  • High-resolution computed tomography (HRCT) is the current standard for ILD detection.
  • The role of 3-tesla (3T) magnetic resonance imaging (MRI) in pediatric ILD requires further evaluation.

Purpose of the Study:

  • To assess the diagnostic utility of 3T lung MRI for detecting ILD in pediatric patients.
  • To compare the performance of 3T lung MRI against HRCT in identifying ILD-related lung abnormalities.

Main Methods:

  • A prospective study enrolled twelve children diagnosed with ILD.
  • Both HRCT and 3T lung MRI were performed within a 2-day interval for each patient.
  • Sensitivity, specificity, and agreement (kappa coefficient) were calculated, using HRCT as the reference standard.

Main Results:

  • 3T lung MRI demonstrated high specificity (97.33%) but low sensitivity (66.67%) for ILD detection compared to HRCT.
  • The technique showed 100% sensitivity for consolidation, parenchymal bands, and fissural thickening.
  • Sensitivity was lower for septal thickening (50%), ground-glass opacity (50%), nodules (66.67%), and cysts (25%).
  • Substantial agreement was observed between HRCT and 3T lung MRI (k=0.7).

Conclusions:

  • 3T lung MRI can effectively detect certain ILD abnormalities like consolidation, parenchymal bands, and fissural thickening in children.
  • The diagnostic performance of 3T lung MRI is limited for evaluating septal thickening, ground-glass opacity, nodules, and cysts.
  • Routine MRI protocols may be useful for specific ILD findings in pediatric patients, complementing HRCT.
Abstract