Infection

Portable frontal CXR shows a multifocal pneumonic consolidations with air bronchograms in the right upper, left upper right lower and left lower lobes. There is silhouetting of the right heart border reflecting middle lobe involvement. The patient is intubated with an intra-aortic balloon pump (IABP) and Swan Ganz line.
Ashley Davidoff MD TheCommonVein.net 136501

45-year-old immunocompromised male presents with a cough fever and shock.
Portable frontal CXR shows a multifocal pneumonic consolidations with air bronchograms in the right upper, left upper right lower and left lower lobes, magnified in the surrounding images. There is silhouetting of the right heart border reflecting middle lobe involvement. The patient is intubated with an intra-aortic balloon pump (IABP) and Swan Ganz line.
Ashley Davidoff MD TheCommonVein.net 136501c
Lingular Pneumonia

52 year old male presents with a cough and fever
CT scan in the axial plane shows a lingular consolidation with air bronchograms and a positive silhouette sign. Both the superior and inferior lingular segments are involved
Ashley Davidoff MD TheCommonVein.net
Inflammation
Malignancy Mechanical/Atelectasis Trauma Metabolic Circulatory- Hemorrhage

75-year-old man on blood thinners s/p aortic valve replacement, s/p trauma, presents with hemoptysis. He was afebrile and without an elevated white count
Coronal images focused on the right side and magnified in the lower panel show heterogenous changes of the secondary lobules including thickened interlobular septa with ground glass changes, and some normal or with mosaic attenuation. The consolidation in the posterior segment of the right upper lobe manifests as an air bronchogram
Ashley Davidoff MD TheCommonVein.net 165Lu 135859c
Immune Infiltrative Idiopathic Iatrogenic Idiopathic