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 ... HRCT #ChestCT #Differential ... Central #Peripheral #RadiologyAssistant
Batwing
A bilateral perihilar distribution of consolidation is also called a Batwing distribution.
The sparing of the periphery
periphery of the lung ... it is seen in pneumonias ... #Diagnosis #Radiology ... #CXR #Batwing #Differential ... #RadiologyAssistant
Upper lung zone preference is seen in:
- Inhaled particles: pneumoconiosis (silica or coal)
- Smoking related diseases
Upper lung zone ... 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
densities in both lungs ... dealing with the differential ... diagnosis of chronic ... #Clinical #Radiology ... OrganizingPneumonia #BOOP #RadiologyAssistant
Differential diagnosis
The table summarizes the most common diseases, that present with consolidation.
Chronic diseases are indicated in
Differential diagnosis ... diagnosis is to ... the pattern of distribution ... #Diagnosis #Radiology ... #Table #RadiologyAssistant
It is very important to differentiate between acute consolidation and chronic consolidation, because it will limit
very important to differentiate ... diagnosis. ... - Lung neoplasms ... #Diagnosis #Radiology ... #RadiologyAssistant
Miliary Pattern - Chest Radiology
 • Miliary opacities are scattered, small (1 -4 mm) nodules
 •
Pattern - Chest Radiology ... throughout the lungs ... rarely typical pneumonia ... #differential # ... CXR #clinical #CT
Ground-glass opacity
Ground-glass opacity (GGO) represents:
- Filling of the alveolar spaces with pus, edema, hemorrhage, inflammation or
or interstitial lung ... Centrilobular distribution ... bronchiolitis #Diagnosis ... #Radiology #Pulmonary ... #RadiologyAssistant
Pulmonary Infections in HIV-AIDS
Bacterial: 
 • No organism identified, Strep pneumoniae, H. influenzae, S.aureus, Streptococcus Grp
Streptococcus Grp ... failure, COPD, Lung ... CXR +/- High res CT ... HIVAIDS #workup #diagnosis ... #evaluation #differential
Differential diagnosis of TB.
Primary TB: Acute bacterial pneumonia
Secondary TB: Sarcoidosis, Silicosis, Pneumoconiosis
Endobronchial spread of TB: Bronchopneumonia,
Differential diagnosis ... Acute bacterial pneumonia ... have a random distribution ... #Radiology #CTChest ... Metastases #Mimic #RadiologyAssistant