HRCT DILD Lubljana 2009

HRCT in Diffuse Interstitial Lung DiseaseReticular PatternIntralobular lines (intralobular interstitium)HRCT in Diffuse Interstitial Lung DiseaseIntralobular interstitial thickeningDef n : very fine network of lines within visible lobulesCaused by:• IPF/UIP• NSIP• H. pneumonitis (chronic)• Pulmonary edema• ARDSHansell DM et al. Fleischner Society: Glossary of terms for Thoracic Imaging. Radiology 2008HRCT in Diffuse Interstitial Lung DiseaseReticular PatternHRCT in Diffuse Interstitial Lung DiseaseNiemann-Pick DiseaseReticular PatternHRCT in Diffuse Interstitial Lung DiseaseCystic airspacesDef n :enlarged foci of air-containing lung surrounded by awall of variable thickness and composition 1HRCT in Diffuse Interstitial Lung DiseaseHoneycombingDef n :cluster or row of small cysts (3-10 mm in Ø)Typically seen in:• IPF/UIP• NSIP (fibrotic)• H. pneumonitis (chronic)• Asbestosis• ARDSHansell DM et al. Fleischner Society: Glossary of terms for Thoracic Imaging. Radiology 2008Hansell DM et al. Fleischner Society: Glossary of terms for Thoracic Imaging. Radiology 20084