19 results
Atoll Sign (Reverse-Halo Sign) on Chest CT
 • Central GGO surrounded by a crescentic or circumferential
Atoll Sign (Reverse-Halo ... Sign) on Chest ... circumferential denser consolidation ... • DDx: COP, IFI ... Pulmonary #diagnosis #radiology
Chest XRay Consolidation Pattern - Differential Algorithm #Diagnosis #Radiology #Pulmonary #CXR #Consolidation #Pattern #Differential #Algorithm #RadiologyAssistant
Chest XRay Consolidation ... Pattern - Differential ... Algorithm #Diagnosis #Radiology ... #Pulmonary #CXR ... #Consolidation
High Attenuation pattern (2) 
1. Non specific interstitial pneumonitis (NSIP): ground glass with traction bronchiectasis, no
Sarcoidosis end-stage: consolidation ... COP. ... #Clinical #Radiology ... #HRCT #CTChest ... HighAttenuation #Pattern #Comparison
It is very important to differentiate between acute consolidation and chronic consolidation, because it will limit
very important to differentiate ... will limit the differential ... organizing pneumonia (OP ... #Diagnosis #Radiology ... #Pulmonary #CXR
Differential diagnosis
The table summarizes the most common diseases, that present with consolidation.
Chronic diseases are indicated in
Differential diagnosis ... to think of the differential ... #Diagnosis #Radiology ... #Pulmonary #CXR ... Diffuse #Multifocal #Differential
Based on the images alone, it is usually not possible to determine the cause of the
the cause of the consolidation ... between these chest ... Organizing pneumonia (OP ... Clinical #Diagnosis #Radiology ... #CXR #Lobar #Consolidation
Diffuse consolidation
The most common cause of diffuse consolidation is pulmonary edema due to heart failure.
This is
cardiogenic edema, to differentiate ... Look for other signs ... #Diagnosis #Radiology ... #Pulmonary #CXR ... #Differential #
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
Differential diagnosis ... : 'signet ring sign ... Clinical #Diagnosis #Radiology ... #CTChest #Cystic ... #Comparison #Table
Septic emboli
Septic emboli usually present as multiple ill-defined nodules.
In about 50% cavitation is seen.
CT demonstrates more
feeding vessel sign ... feeding vessel sign ... which are probably consolidations ... #Clinical #Radiology ... #CXR #CTChest #
Notice that there are multiple densities in both lungs.
The larger ones are ill-defined and maybe there
with multifocal consolidations ... dealing with the differential ... organizing pneumonia (OP ... #Clinical #Radiology ... #CXR #Peripheral