39 results
Lobar pneumonia
On the chest x-ray there is an ill-defined area of increased density in the right
Lobar pneumonia ... On the chest x-ray ... there is an ill-defined ... weight loss or long ... #Pneumonia #RadiologyAssistant
Differential diagnosis
The table summarizes the most common diseases, that present with consolidation.
Chronic diseases are indicated in
Differential diagnosis ... the differential diagnosis ... - Lobar or focal ... #Pulmonary #CXR ... Differential #Table #RadiologyAssistant
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
- Differential Diagnosis ... and dyspnea • Lobar ... infiltrates or lobar ... Infections #HIV #AIDS #pulmonary ... #differential #diagnosis
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
these patterns are ... #Diagnosis #Radiology ... #Pulmonary #CTChest ... IdiopathicInterstitialPneumonia #ILD ... #Findings #RadiologyAssistant
Here are the most common examples of these four patterns on a chest x-ray (click image
Here are the most ... Consolidation - Lobar ... mass - Solitary Pulmonary ... Masses Atelectasis #Diagnosis ... Consolidation #Patterns #RadiologyAssistant
Based on the images alone, it is usually not possible to determine the cause of the
between these chest ... Lobar pneumonia ... nodular interstitial lung ... #Clinical #Diagnosis ... Consolidation #Causes #RadiologyAssistant
It is very important to differentiate between acute consolidation and chronic consolidation, because it will limit
Neoplasm with lobar ... - Lung neoplasms ... granulomatous noduli are ... #Pulmonary #CXR ... #Differential #RadiologyAssistant
Septic emboli
Septic emboli usually present as multiple ill-defined nodules.
In about 50% cavitation is seen.
CT demonstrates more
can suggest the diagnosis ... densities iin the left lung ... , which are probably ... cavitation in the right lung ... SepticEmboli #Cavity #RadiologyAssistant
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Weakness, Loss of Chest ... Atelectasis, ARDS, Pneumonia ... Embolism, Obstructive Lung ... , Interstitial Lung ... #differential #diagnosis
Notice that there are multiple densities in both lungs.
The larger ones are ill-defined and maybe there
densities in both lungs ... ill-defined and ... the differential diagnosis ... Biopsy revealed the diagnosis ... OrganizingPneumonia #BOOP #RadiologyAssistant