13 results
Central distribution is seen in sarcoidosis and cardiogenic pulmonary edema.
Peripheral distribution is mainly seen in cryptogenic
cryptogenic organizing pneumonia ... chronic eosinophilic pneumonia ... #Diagnosis #Radiology ... #Differential #Table ... Central #Peripheral #RadiologyAssistant
Differential diagnosis
The table summarizes the most common diseases, that present with consolidation.
Chronic diseases are indicated in
diagnosis The table ... the pattern of distribution ... usually multiple ill-defined ... #Diagnosis #Radiology ... #RadiologyAssistant
Lobar pneumonia
On the chest x-ray there is an ill-defined area of increased density in the right
Lobar pneumonia ... x-ray there is an ill-defined ... #Clinical #Radiology ... AirBronchogram #RUL ... #RadiologyAssistant
Nodular pattern
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary TB: random nodules
3. Sarcoidosis: nodules with perilymphatic
Hypersensitivity pneumonitis: ill ... perilymphatic distribution ... #Clinical #Radiology ... Pattern #Comparison #Table ... #RadiologyAssistant
Upper lung zone preference is seen in:
- Inhaled particles: pneumoconiosis (silica or coal)
- Smoking related diseases
bronchiolitis (RB-ILD ... edema #Diagnosis #Radiology ... #Differential #Table ... #Distribution # ... Upper #Lower #RadiologyAssistant
Notice that there are multiple densities in both lungs.
The larger ones are ill-defined and maybe there
larger ones are ill-defined ... possibility of multiple ill-defined ... is a peripheral distribution ... #Clinical #Radiology ... OrganizingPneumonia #BOOP #RadiologyAssistant
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
Hypersensitivity pneumonitis: ill ... bronchiolitis: ill ... Clinical #Diagnosis #Radiology ... Differential #Comparison #Table ... #RadiologyAssistant
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
idiopathic interstitial pneumonias ... listed in the table ... #Diagnosis #Radiology ... IdiopathicInterstitialPneumonia #ILD ... #Findings #RadiologyAssistant
Cavitation - Pneumonia
In virulent pyogenic infections an abscess may form within the consolidated lung as a
Cavitation - Pneumonia ... are usually very ill ... usually not that ill ... #Clinical #Radiology ... CavitaryPneumonia #RadiologyAssistant
Here a typical lobar consolidation.
First study the images, then continue reading.
The findings are:
increased density with ill-defined
increased density with ill-defined ... thus creating ill-defined ... #Clinical #Radiology ... #Lobar #Pneumonia ... #RadiologyAssistant