CTICasesConstrictive Bronchiolitis Post-Lung Transplant
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Imaging findings
Inspiratory and dynamic expiratory CT scans demonstrate diffuse bronchial wall thickening, hyperinflation, and a classic mosaic attenuation pattern. The expiratory images confirm extensive, air trapping.
Key takeaways
Constrictive bronchiolitis is the primary pathological manifestation of chronic lung allograft dysfunction (CLAD) after lung transplantation. High-resolution chest CT with dynamic expiratory imaging is the diagnostic modality of choice to demonstrate the characteristic mosaic perfusion and air trapping caused by progressive small airway obliteration.
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