Faces of Desquamative Interstitial Pneumonia (DIP) Coronal CT- Desquamative Interstitial Pneumonia Diffuse Ground Glass Changes with Patchy Changes more Prominent at the Lung Bases60-year-old male smoker with a history of progressive dyspnea. Coronal CT through the posterior lung fields at the level of the vertebral column shows extensive patchy ground glass changes and mosaic attenuation. A few of the secondary lobules show prominent centrilobular nodules reflecting a small airways component but the predominant pattern is an alveolar patternPathology confirmed a diagnosis of DIPAshley Davidoff MD TheCommonVein.net 253Lu 136014c Emphysema with Basilar Ground Glass Changes CXR Desquamative Interstitial Pneumonia DIP and Emphysema with basilar Ground Glass Changes51-year-old female smoker with a history of COPD asthma and pulmonary hypertension presents with progressive dyspnea. Frontal chest Xray shows diffuse bilateral interstitial disease characterised by coarsening of the lung markings and an enlarged main pulmonary artery (MPA). Path confirmed diagnosis of DIP.Ashley Davidoff MD TheCommonVein.net 252Lu 135957 Mild Patchy Ground Glass Changes Lower Lobe Predominant CT Desquamative Interstitial Pneumonia (DIP) Patchy Ground Glass Changes51-year-old female smoker with a history of COPD asthma and pulmonary hypertension presents with progressive dyspnea. Axial CT through the lower lung fields shows patchy ground glass changes in the middle lobe inferior ligula and lower lobes and some regions of mosaicism. Focal regions of interlobular septal thickening are noted left lower lobe (lower panel). Pathology confirmed a diagnosis of DIPAshley Davidoff MD TheCommonVein.net 252Lu 135969c CT Desquamative Interstitial Pneumonia (DIP) Emphysema Upper Lung Fields Patchy Ground Glass Changes Lower Lung Fields51-year-old female smoker with a history of COPD asthma and pulmonary hypertension presents with progressive dyspnea. Coronal CT through the mid lung shows upper lobe centrilobular emphysematous disease and patchy ground glass changes in the lower lobesPathology confirmed a diagnosis of DIPAshley Davidoff MD TheCommonVein.net 252Lu 135990 CT Desquamative Interstitial Pneumonia (DIP) Emphysema Right Upper Lung Field- Patchy Ground Glass Changes Lower Lung Field51-year-old female smoker with a history of COPD asthma and pulmonary hypertension presents with progressive dyspnea. Sagittal CT through the lateral right mid lung shows upper lobe posterior and superior segmental centrilobular emphysematous disease and ground glass changes in the anterior segment of the upper lobe and right lower lobePathology confirmed a diagnosis of DIPAshley Davidoff MD TheCommonVein.net 252Lu 135998 Crazy Paving CT Desquamative Interstitial Pneumonia (DIP) Diffuse Ground Glass Changes Lower Lung Fields and Interlobular Septal Thickening (Crazy Paving)51-year-old female smoker with a history of COPD asthma and pulmonary hypertension presents with progressive dyspnea. Coronal CT through the posterior lungs shows diffuse ground glass changes in the lower lobes with interlobular septal thickeningPathology confirmed a diagnosis of DIPAshley Davidoff MD TheCommonVein.net 252Lu 135997 CT Desquamative Interstitial Pneumonia (DIP) Patchy Ground Glass Changes and Mosaicism and Air Trapping – Inspiration Expiration Views51-year-old female smoker with a history of COPD asthma and pulmonary hypertension presents with progressive dyspnea. Axial CT through the right posterior recesses at end inspiration (upper panel) and end expiration (lower panel) confirms the presence of air trapping indicating the presence of mild small airway diseasePathology confirmed a diagnosis of DIPAshley Davidoff MD TheCommonVein.net 252Lu 135987