15 results
Here are the most common examples of these four patterns on a chest x-ray (click image
patterns on a chest ... Interstitial - ... Reticular interstitial ... mass - Solitary Pulmonary ... Clinical #Radiology #CXR
Based on the images alone, it is usually not possible to determine the cause of the
between these chest ... Pulmonary hemorrhage ... Organizing pneumonia (OP ... this is nodular interstitial ... Diagnosis #Radiology #CXR
Cryptogenic Organizing Pneumonia (COP)

Cryptogenic Organizing Pneumonia Overview:
 • Idiopathic form of organizing pneumonia
 • formerly BOOP
- Imaging: • CXR ... opacities, Unilateral consolidation ... • HRCT: patchy consolidation ... eosinophilia pneumonia, Pulmonary ... #BOOP #pulmonary
High-Res Chest CT Patterns - Differential Diagnosis Framework
Reticular:
 • Septal Thickening: Lymphangitic Carcinoma, Interstitial Edema, Alveolar
High-Res Chest CT ... Lymphangitic Carcinoma, Interstitial ... Hemorrhage, Edema • Consolidation ... Honeycombing: Idiopathic Pulmonary ... #CT #Patterns #
Pulmonary Infections in HIV-AIDS
Bacterial: 
 • No organism identified, Strep pneumoniae, H. influenzae, S.aureus, Streptococcus Grp
Pulmonary Infections ... Lymphocytic or lymphoid interstitial ... Evaluation: Imaging (CXR ... +/- High res CT ... chest scan), CBC
Lung infarction
In pulmonar embolism it is not common to see consolidation.
The consolidation is a result of
infarction In pulmonar ... The consolidation ... The pulmonary embolus ... On the CT we can ... Clinical #Radiology #CXR
Pulmonary Renal Syndrome

Definition: Diffuse alveolar hemorrhage + Glomerulonephritis
Presentation (Pulmonary and renal manifestations can occur weeks apart):
• Labs: CBC, cr ... , C3, C4, anti-CCP ... • CXR (diffuse ... high resolution chest ... CT • Bronchoscopy
Atoll Sign (Reverse-Halo Sign) on Chest CT
 • Central GGO surrounded by a crescentic or circumferential
CT • Central GGO ... circumferential denser consolidation ... • DDx: COP, IFI ... Reverse #Halo #Sign #CT ... #Lung #Pulmonary
CT will also demonstrate signs of congestive heart failure.
On the image on the left notice the
CT will also demonstrate ... a precursor of consolidation ... Clinical #Radiology #CTChest ... #CHF #KerleyB # ... Kerley #Intersitial
Congestive heart failure
The findings are:
 - bilateral perihilar consolidation with air bronchograms and ill-defined borders
 -
bilateral perihilar consolidation ... size - subtle interstitial ... are dealing with pulmonary ... Clinical #Radiology #CXR ... #CHF #RadiologyAssistant