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Based on the images alone, it is usually not possible to determine the cause of the
determine the cause ... Lobar pneumonia ... Pulmonary hemorrhage ... Organizing pneumonia ... Clinical #Diagnosis #Radiology
Radiographic appearances of pulmonary diseases in HIV/AIDS Patients
 • Diffuse Interstitial Infiltrates: Pneumocystis jirovecii, M.tuberculosis, Histoplasma
Histoplasma capsulatum, Coccidioides ... H.capsulatum, Coccidioides ... complex • Nodular/Masses ... Sarcoma • Focal Consolidation ... diagnosis #chestCT #radiology
Here are the most common examples of these four patterns on a chest x-ray (click image
Consolidation - ... Lobar consolidation ... mass - Solitary Pulmonary ... Nodule - Multiple Masses ... Diagnosis #Clinical #Radiology
Differential diagnosis
The table summarizes the most common diseases, that present with consolidation.
Chronic diseases are indicated in
that present with consolidation ... caused by streptococcus ... #Diagnosis #Radiology ... #Pulmonary #CXR ... #Consolidation
The PA-film shows a silhouette sign of the left heart border.
Even without looking at the lateral
This was a consolidation ... caused by Sterptococcus ... pneumoniae. ... #Clinical #Radiology ... #CXR #Pneumonia
Lobar pneumonia
On the chest x-ray there is an ill-defined area of increased density in the right
Lobar pneumonia ... include the list of causes ... of chronic consolidation ... caused by Streptcoccus ... #Clinical #Radiology
It is very important to differentiate between acute consolidation and chronic consolidation, because it will limit
post-obstructive pneumonia ... like organizing pneumonia ... chronic eosinophilic pneumonia ... #Diagnosis #Radiology ... #Pulmonary #CXR
Lobar consolidation
The most common presentation of consolidation is lobar or segmental.
The most common diagnosis is lobar
Lobar consolidation ... diagnosis is lobar pneumonia ... #Diagnosis #Radiology ... #Pulmonary #CXR ... #Lobar #Consolidation
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
: Halo sign Coccidioides ... dyspnea • Lobar consolidation ... Legionella: • Nausea ... factor • May cause ... Infections #HIV #AIDS #pulmonary
Reversed Halo Sign - Infectious and Non-Infectious Differential Diagnosis
Definition: A focal rounded area of GGO surrounded
complete ring of consolidation ... • Infectious Causes ... Non-Infectious Causes ... , Pulmonary embolism ... Differential #Diagnosis #pulmonary