17 results
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
- Lung cysts (LAM ... #Diagnosis #Radiology ... #Pulmonary #CTChest ... LowAttenuation #Differential ... #Diagram #Comparison
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
: 'signet ring sign ... Centrilobular emphysema ... Clinical #Diagnosis #Radiology ... #CTChest #Cystic ... #Comparison #Table
Cavities frequently arise within a mass or an area of consolidation as a result of necrosis.
We
In the differential ... the surrounding lung ... Clinical #Diagnosis #Radiology ... #CTChest #Cavity ... #Comparison #RadiologyAssistant
Radiologists use many terms to describe areas of decreased density or lucencies within the lung, like
pneumatocele, emphysema ... we describe a chest ... with a thin wall Emphysema ... #CXR #Lucency #Differential ... Pulmonary #Diagnosis #Radiology
Split Pleura Sign on Chest CT
 • Contrast enhancement of the parietal and visceral pleura, separated
Split Pleura Sign ... effusion • DDx: Empyema ... Split #Pleura #Sign ... #CT #Lung #Pulmonary ... #diagnosis #radiology
Miliary Pattern - Chest Radiology
 • Miliary opacities are scattered, small (1 -4 mm) nodules
 •
Radiology • Miliary ... throughout the lungs ... diffuse inhalational injury ... Differential Diagnosis ... #Radiology #differential
Upper Lobe Lung Diseases - STAR CHASERS Mnemonic

S - Silicosis
T - Tuberculosis
A - Ankylosing Spondylitis
R -
Upper Lobe Lung ... caused by a rigid chest ... Centrilobular emphysema ... #diseases #differential ... #STARCHASERS #radiology
On the left a chest film of a 19 year old patient with Langerhans cell histiocytosis.
The
most challenging differential ... Emphysema however ... the central dot sign ... helpfull in the differential ... #Clinical #Radiology
UIP with honeycombing (left) and chronic HP (right)
Differential diagnosis of Hypersensitivity Pneumonitis.
Subacute stage:
- RB-ILD: seen in
chronic HP (right) Differential ... centrilobular emphysema ... throughout the whole lung ... #CTChest #UIP # ... Comparison #Chronic
Incidental Finding of Oleothorax - A chest radiograph showed a dense opacity in the upper area
Oleothorax - A chest ... area of the left lung ... The differential ... old calcified empyema ... Clinical #PCC #Radiology