41 results
Nontuberculous mycobacteria
Nontuberculous mycobacteria, also known as atypical mycobacteria, are all the other mycobacteria which can cause
Notice the air-fluid ... pus within the cavity ... #Clinical #Radiology ... #CXR #Lateral # ... AirFluidLevel #RadiologyAssistant
Septic emboli
Septic emboli usually present as multiple ill-defined nodules.
In about 50% cavitation is seen.
CT demonstrates more
can suggest the diagnosis ... abutting the pleura, air-bronchograms ... #Clinical #Radiology ... #CXR #CTChest # ... #RadiologyAssistant
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
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attenuation or air-filled ... - Emphysema - Lung ... cysts (LAM, LIP ... #Diagnosis #Radiology ... Emphysema #SignetRing #RadiologyAssistant
Consolidation is synonymous with airspace disease.
When you think of the causes of consolidation, think of 'what
replacing the air ... fibrosis as in UIP ... can replace the air ... #Diagnosis #Radiology ... #Differential #RadiologyAssistant
Monod Sign on Chest CT
 • Air surrounding a fungal ball in a preexisting pulmonary cavity
• Air surrounding ... preexisting pulmonary cavity ... #Lung #Pulmonary ... #diagnosis #radiology ... #clinical
The retracted visceral pleura is seen (blue arrow) which indicates that there is a pneumothorax.
There is
when there is an air-fluid ... is small, this air-fluid ... only key to the diagnosis ... #Clinical #Radiology ... #CXR #Pneumothorax
There is a hydropneumothorax.
Notice the air-fluid level (blue arrow).
The upper lobe is still attached to the
Notice the air-fluid ... is a possible diagnosis ... #Clinical #Radiology ... #CXR #Pneumothorax ... Lymphangioleiomyomatosis #LAM #RadiologyAssistant
Ground-glass opacity
Ground-glass opacity (GGO) represents:
- Filling of the alveolar spaces with pus, edema, hemorrhage, inflammation or
the result of air ... or interstitial lung ... predominance: UIP ... bronchiolitis #Diagnosis ... #Radiology #Pulmonary
Lobar pneumonia
On the chest x-ray there is an ill-defined area of increased density in the right
Notice the air-bronchogram ... weight loss or long ... #Clinical #Radiology ... #CXR #AirBronchogram ... Lobar #Pneumonia #RadiologyAssistant
Whenever you see an area of increased density within the lung, it must be the result
density within the lung ... the amount of air ... #Diagnosis #Radiology ... #CXR #Consolidation ... #Patterns #RadiologyAssistant