13 results
Central distribution is seen in sarcoidosis and cardiogenic pulmonary edema.
Peripheral distribution is mainly seen in cryptogenic
pneumonia (COP), chronic ... #Diagnosis #Radiology ... #Pulmonary #HRCT ... #ChestCT #Differential ... Central #Peripheral #RadiologyAssistant
Upper lung zone preference is seen in:
- Inhaled particles: pneumoconiosis (silica or coal)
- Smoking related diseases
bronchiolitis (RB-ILD ... edema #Diagnosis #Radiology ... #ChestCT #Differential ... #Table #Distribution ... #Upper #Lower #RadiologyAssistant
Algorithm for nodular pattern
The algorithm to distinguish perilymphatic, random and centrilobular nodules is the following:
- Look
Algorithm for nodular ... #Diagnosis #Radiology ... #Pulmonary #HRCT ... MultipleNodules #Nodules #Differential ... #Algorithm #RadiologyAssistant
Batwing
A bilateral perihilar distribution of consolidation is also called a Batwing distribution.
The sparing of the periphery
most typical of pulmonary ... frequently seen in chronic ... #Diagnosis #Radiology ... #CXR #Batwing #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
Differential diagnosis
The table summarizes the most common diseases, that present with consolidation.
Chronic diseases are indicated in
Differential diagnosis ... the pattern of distribution ... #Diagnosis #Radiology ... #Pulmonary #CXR ... #Table #RadiologyAssistant
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
perilymphatic distribution ... perilymphatic distribution ... #Pulmonary #CTChest ... NodularPattern #Differential ... Comparison #Table #RadiologyAssistant
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
UIP with honeycombing (left) and chronic HP (right)
Differential diagnosis of Hypersensitivity Pneumonitis.
Subacute stage:
- RB-ILD: seen in
HP (right) Differential ... Subacute stage: - RB-ILD ... strong lower zone distribution ... Fibrosis #Mimic #ILD ... #RadiologyAssistant
On the left a patient with ground glass pattern in a mosaic distribution.
The clue here is
pattern in a mosaic distribution ... enlargement of pulmonary ... (arrow) in the areas ... caliber due to chronic ... Thromboembolism #RadiologyAssistant