26 results
Lobar consolidation
The most common presentation of consolidation is lobar or segmental.
The most common diagnosis is lobar
Lobar consolidation ... pneumonia. ... The table lists ... #Diagnosis #Radiology ... #Differential #RadiologyAssistant
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 ... #Diagnosis #Radiology ... #Differential #Table ... #RadiologyAssistant
Lobar pneumonia
On the chest x-ray there is an ill-defined area of increased density in the right
Lobar pneumonia ... most likely a lobar ... This was an acute lobar ... #Clinical #Radiology ... #Pneumonia #RadiologyAssistant
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
perilymphatic distribution ... cysts, evenly distribution ... Clinical #Diagnosis #Radiology ... Differential #Comparison #Table ... #RadiologyAssistant
Batwing
A bilateral perihilar distribution of consolidation is also called a Batwing distribution.
The sparing of the periphery
bilateral perihilar distribution ... called a Batwing distribution ... it is seen in pneumonias ... #Diagnosis #Radiology ... #Differential #RadiologyAssistant
Upper lung zone preference is seen in:
- Inhaled particles: pneumoconiosis (silica or coal)
- Smoking related diseases
edema #Diagnosis #Radiology ... #Differential #Table ... #Distribution # ... Upper #Lower #RadiologyAssistant
Nodular pattern
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary TB: random nodules
3. Sarcoidosis: nodules with perilymphatic
perilymphatic distribution ... #Clinical #Radiology ... Pattern #Comparison #Table ... #RadiologyAssistant
High Attenuation pattern 
1. Chronic eosinophilic pneumonia with peripheral areas of ground glass opacity.
2. Sarcoid end-stage
Chronic eosinophilic pneumonia ... Chronic eosinophilic pneumonia ... consolidation #Clinical #Radiology ... Pattern #Comparison #Table ... #RadiologyAssistant
Notice that there are multiple densities in both lungs.
The larger ones are ill-defined and maybe there
is a peripheral distribution ... #Clinical #Radiology ... CXR #Peripheral #Distribution ... #Organizing #Pneumonia ... OrganizingPneumonia #BOOP #RadiologyAssistant