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Here are the most common examples of these four patterns on a chest x-ray (click image
patterns on a chest ... Consolidation - ... Lobar consolidation ... mass - Solitary Pulmonary ... #Patterns #RadiologyAssistant
Based on the images alone, it is usually not possible to determine the cause of the
between these chest ... Lobar pneumonia ... Pulmonary hemorrhage ... Radiology #CXR #Lobar ... #Causes #RadiologyAssistant
It is very important to differentiate between acute consolidation and chronic consolidation, because it will limit
and chronic consolidation ... Neoplasm with lobar ... - Chronic post-infection ... Diagnosis #Radiology #Pulmonary ... #Differential #RadiologyAssistant
Diffuse consolidation
The most common cause of diffuse consolidation is pulmonary edema due to heart failure.
This is
Diffuse consolidation ... cause of diffuse consolidation ... infection, ARDS ... #CXR #Diffuse #Consolidation ... #Differential #RadiologyAssistant
Pulmonary Tuberculosis - Patterns of Involvement
 • Scarring, Nodules and Consolidation
    - Lobar
Pulmonary Tuberculosis ... Scarring, Nodules and Consolidation ... - Lobar consolidation ... spread of MTB infection ... #TB #Patterns #chest
Radiographic appearances of pulmonary diseases in HIV/AIDS Patients
 • Diffuse Interstitial Infiltrates: Pneumocystis jirovecii, M.tuberculosis, Histoplasma
diseases in HIV/AIDS ... edema; ARDS, Metastatic ... Sarcoma • Focal Consolidation ... tuberculosis Infectious ... differential #diagnosis #chestCT
Pulmonary sequestration
This is an uncommon cause of lobar consolidation.
It is a congenital abnormality.
A nonfunctioning part of
Pulmonary sequestration ... uncommon cause of lobar ... consolidation. ... with recurrent infection ... PulmonarySequestration #RadiologyAssistant
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
Lung Infections ... and dyspnea • Lobar ... consolidation or ... infiltrates or lobar ... #HIV #AIDS #pulmonary
Notice that even within each lobe there is a gravity dependent difference in density.
This is only
seen when the consolidations ... exsudate due to infection ... capillary leak like in ARDS ... CHF #Alveolar #Pulmonary ... Gravity #Dependent #RadiologyAssistant