7 results
Septic emboli
Septic emboli usually present as multiple ill-defined nodules.
In about 50% cavitation is seen.
CT demonstrates more
abutting the pleura, air-bronchograms ... feeding vessel sign ... feeding vessel sign ... #Clinical #Radiology ... #CXR #CTChest #
Air Bronchogram Sign on Chest CT
 • Patent airways surrounded by opacified lung
 • DDx: pna,
Air Bronchogram ... Sign on Chest CT ... edema, severe ILD ... #diagnosis #radiology ... #clinical
Lobar pneumonia
On the chest x-ray there is an ill-defined area of increased density in the right
pneumonia On the chest ... Notice the air-bronchogram ... weight loss or long ... list of causes of chronic ... #Clinical #Radiology
UIP with honeycombing (left) and chronic HP (right)
Differential diagnosis of Hypersensitivity Pneumonitis.
Subacute stage:
- RB-ILD: seen in
Subacute stage: - RB-ILD ... throughout the whole lung ... #Clinical #Diagnosis ... #Radiology #CTChest ... #UIP #Comparison
It can be difficult to distinguish these three entities.
There are two diagnostic hints for further differentiation:
-
expiratory scans for air ... bronchiolitis or chronic ... penicillamine) #Clinical ... #Radiology #CTChest ... #Attenuation #Comparison
Chronic hypersensitivity pneumonitis (2)
The case on the left shows an inspiratory and expiratory scan: the mosaic
scan, indicating air ... Signs of fibrosis ... mid and lower lung ... #Clinical #Radiology ... #CTChest #Chronic
Authors: Mark M. Ramzy, DO, EMT-P (@MarkRamzyDO, EM Resident Physician, Drexel University, Department of Emergency Medicine)
Vital signs: BP ... SpO2 88% on room air ... This patient’s clinical ... #Radiology #CTChest ... #Lung #Pulmonary