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Lung Segment Anatomy Annotated on Chest CT
Right Lung:
 • Upper Lobe: Apical, Posterior, Anterior
 • Middle
Lung Segment Anatomy ... • Middle Lobe: Lateral ... #CT #CTChest #pulmonary ... #clinical #radiology ... #Anatomy
On the left a patient with rheumatoid arthritis and bilateral peripheral consolidations as a result of
arthritis and bilateral ... of organizing pneumonia ... #Clinical #Radiology ... #CTChest #COP # ... Cryptogenic #Organizing #Pneumonia
Differential diagnosis
The table summarizes the most common diseases, that present with consolidation.
Chronic diseases are indicated in
(OP) and chronic ... OP is organizing ... called cryptogenic (COP ... #Diagnosis #Radiology ... #Pulmonary #CXR
COVID-19 Patterns of Lung Findings on Chest CT
1. Reverse Halo Sign
2. ARDS
3. Crazy-Paving Pattern
4. Bilateral Peripheral
Bilateral Peripheral ... Organizing Pneumonia ... Patterns #Lung #Pulmonary ... #ChestCT #radiology ... #CTChest #diagnosis
Garland Triad on Chest X-Ray in Sarcoidosis 
aka Pawnbroker's Sign - Right paratracheal and bilateral hilar
Garland Triad on Chest ... paratracheal and bilateral ... #XRay #CXR #Pawnbrokers ... Sign #clinical #radiology ... #pulmonary #sarcoidosis
Anticipated Valve Locations on Chest Xray - *These are anticipated locations.  The locations could be
Valve Locations on Chest ... the patient has anatomic ... #Clinical #Radiology ... #CXR #Lateral #
Bronchopneumonia Consolidation Pattern on Chest X-Ray

Patchy areas of consolidation that may be initially limited to one
Consolidation Pattern on Chest ... to one or more pulmonary ... multifocal often bilateral ... #XRay #CXR #clinical ... #radiology
On the left a patient who complained of arthritic pain.

There are multiple small bilateral peripheral consolidations.
The
multiple small bilateral ... also organizing pneumonia ... #Clinical #Radiology ... #CTChest #COP # ... Cryptogenic #Organizing #Pneumonia
It is very important to differentiate between acute consolidation and chronic consolidation, because it will limit
(OP) or chronic ... eosinophilic pneumonia ... proteinaceous material ... #Diagnosis #Radiology ... #Pulmonary #CXR
HRCT findings in OP
- Bilateral peripheral consolidations, sharply demarcated.
- Consolidations may be migratory.
- Lesions may show
- Bilateral peripheral ... cryptogenic organizing pneumonia ... #Clinical #Radiology ... #CTChest #COP # ... Cryptogenic #Organizing #Pneumonia