16 results
Central distribution is seen in sarcoidosis and cardiogenic pulmonary edema.
Peripheral distribution is mainly seen in cryptogenic
Central distribution ... pneumonia (COP), chronic ... #Diagnosis #Radiology ... HRCT #ChestCT #Differential ... Central #Peripheral #RadiologyAssistant
UIP with honeycombing (left) and chronic HP (right)
Differential diagnosis of Hypersensitivity Pneumonitis.
Subacute stage:
- RB-ILD: seen in
HP (right) Differential ... strong lower zone distribution ... In chronic HP fibrotic ... #Radiology #CTChest ... #Mimic #ILD #RadiologyAssistant
Upper lung zone preference is seen in:
- Inhaled particles: pneumoconiosis (silica or coal)
- Smoking related diseases
bronchiolitis (RB-ILD ... Pulmonary edema #Diagnosis ... #Radiology #Pulmonary ... HRCT #ChestCT #Differential ... #Table #Distribution
Notice that there are multiple densities in both lungs.
The larger ones are ill-defined and maybe there
month history of chronic ... dealing with the differential ... diagnosis of chronic ... #Clinical #Radiology ... OrganizingPneumonia #BOOP #RadiologyAssistant
Batwing
A bilateral perihilar distribution of consolidation is also called a Batwing distribution.
The sparing of the periphery
bilateral perihilar distribution ... frequently seen in chronic ... #Diagnosis #Radiology ... #CXR #Batwing #Differential ... #RadiologyAssistant
Differential diagnosis
The table summarizes the most common diseases, that present with consolidation.
Chronic diseases are indicated in
Differential diagnosis ... Chronic diseases ... the pattern of distribution ... #Diagnosis #Radiology ... #Table #RadiologyAssistant
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
perilymphatic distribution ... #Clinical #Diagnosis ... #Radiology #Pulmonary ... NodularPattern #Differential ... Comparison #Table #RadiologyAssistant
Ground-glass opacity
Ground-glass opacity (GGO) represents:
- Filling of the alveolar spaces with pus, edema, hemorrhage, inflammation or
Centrilobular distribution ... bronchiolitis #Diagnosis ... #Radiology #Pulmonary ... #GroundGlass #Differential ... #RadiologyAssistant
Diffuse consolidation
The most common cause of diffuse consolidation is pulmonary edema due to heart failure.
This is
cardiogenic edema, to differentiate ... heart failure like redistribution ... heart due to a chronic ... #Diagnosis #Radiology ... #RadiologyAssistant
Bronchiectasis is defined as localized bronchial dilatation.
The diagnosis of bronchiectasis is usually based on a combination
patients with chronic ... COPD and cystic fibrosis ... #Diagnosis #Radiology ... Bronchiectasis #Differential ... #RadiologyAssistant