Complex Pneumococcal Pneumonia in the Left Upper Lobe

70-year-old female presents with a cough, fever and leukocytosis. Frontal CXR shows a large heterogeneous pneumonic infiltrate in the left upper lobe consisting of a consolidation in the lower portion and cavitation in the upper portion
Ashley Davidoff MD TheCommonVein.net 260 Lu 31625c
Cavitating Pneumococcal Pneumonia with Abscess Formation

54-year-old female presents with a cough, fever and leukocytosis. CT in the axial plane shows a cavitating pneumonia (b, white arrowheads) with large abscess and air-fluid level (b, yellow arrowheads), and multiple small intraparenchymal abscesses (b, orange arrowheads)
Ashley Davidoff MD TheCommonVein.net 260Lu 31591cL
Necrotizing Pneumococcal Pneumonia with Abscess Formation and Emphysema

Pneumonia with Abscess Formation and Emphysema
70-year-old female presents with a cough, fever and leukocytosis. CT in the axial plane shows a left lung with diffuse moderately severe emphysema (blue ring in b) with only a small rim of normal lung noted posteriorly
Image c shows a cavitating pneumonia with a large central cavitation (c, white asterisk)with an air fluid level (c, yellow arrowheads), and multiple small air filled cavities secondary to necrosis (b, white arrowheads).
Ashley Davidoff MD TheCommonVein.net 260Lu 31627cL
Lymphangitis Associated with Necrotizing Pneumococcal Pneumonia

70-year-old female presents with a cough, fever and leukocytosis. CT in the axial plane shows extensive lymphangitis characterized by thickening of the interlobular septa in the inferior aspect of the upper lobe below the necrotizing pneumonia.
Ashley Davidoff MD TheCommonVein.net 260Lu 31631c