12 results
High Attenuation pattern (2) 
1. Non specific interstitial pneumonitis (NSIP): ground glass with traction bronchiectasis, no
Cryptogenic organizing ... Sarcoidosis end-stage: consolidation ... #Clinical #Radiology ... #HRCT #CTChest ... #Table #RadiologyAssistant
Cryptogenic Organizing Pneumonia (COP)

Cryptogenic Organizing Pneumonia Overview:
 • Idiopathic form of organizing pneumonia
 • formerly BOOP
Cryptogenic Organizing ... - Clinical manifestations ... , cavities • HRCT ... zone, GGO, small ... #COP #BOOP #pulmonary
HRCT findings in OP
- Bilateral peripheral consolidations, sharply demarcated.
- Consolidations may be migratory.
- Lesions may show
HRCT findings in ... carcinoma, the diagnosis ... #Clinical #Radiology ... #CTChest #COP # ... Cryptogenic #Organizing
There is a hydropneumothorax.
Notice the air-fluid level (blue arrow).
The upper lobe is still attached to the
diagnosis. ... LAM is a rare lung ... airways leading to pulmonary ... #Clinical #Radiology ... #LAM #RadiologyAssistant
On the left two cases with chronic consolidation. 
There are patchy non-segmental consolidations in a subpleural
The final diagnosis ... organizing pneumonia ... pneumonia the HRCT ... #Radiology #CTChest ... #COP #Cryptogenic
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
cysts (LAM, LIP ... on the basis of HRCT ... #Diagnosis #Radiology ... #Pulmonary #CTChest ... Differential #Diagram #Comparison
There is a hydropneumothorax.
Notice the air-fluid level.
The upper lobe is still attached to the chest wall
diagnosis. ... LAM is a rare lung ... airways leading to pulmonary ... #Clinical #Radiology ... #LAM #RadiologyAssistant
Based on the images alone, it is usually not possible to determine the cause of the
Organizing pneumonia ... nodular interstitial lung ... #Clinical #Diagnosis ... #Radiology #CXR ... #Causes #RadiologyAssistant
Atoll Sign (Reverse-Halo Sign) on Chest CT
 • Central GGO surrounded by a crescentic or circumferential
CT • Central GGO ... • DDx: COP, IFI ... Halo #Sign #CT #Lung ... #Pulmonary #diagnosis ... #radiology #clinical
Notice that there are multiple densities in both lungs.
The larger ones are ill-defined and maybe there
densities in both lungs ... The lab-findings ... (OP) also known ... #Clinical #Radiology ... OrganizingPneumonia #BOOP #RadiologyAssistant