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Here are the most common examples of these four patterns on a chest x-ray (click image
Interstitial - ... Reticular interstitial ... Masses Atelectasis #Diagnosis ... #Clinical #Radiology ... #CXR #Consolidation
It is very important to differentiate between acute consolidation and chronic consolidation, because it will limit
the differential diagnosis ... diseases like organizing ... proteinaceous material ... #Diagnosis #Radiology ... #Pulmonary #CXR
Cryptogenic Organizing Pneumonia (COP)

Cryptogenic Organizing Pneumonia Overview:
 • Idiopathic form of organizing pneumonia
 • formerly BOOP
Pneumonia - Clinical ... - Imaging: • CXR ... • HRCT: patchy consolidation ... Pneumonia - Diagnosis ... pulmonary #ILD #diagnosis
Based on the images alone, it is usually not possible to determine the cause of the
chronic illness, clinical ... Organizing pneumonia ... this is nodular interstitial ... #Clinical #Diagnosis ... #Radiology #CXR
HRCT findings in OP
- Bilateral peripheral consolidations, sharply demarcated.
- Consolidations may be migratory.
- Lesions may show
findings in OP - Bilateral ... carcinoma, the diagnosis ... of cryptogenic organizing ... #Clinical #Radiology ... #Cryptogenic #Organizing
Notice that there are multiple densities in both lungs.
The larger ones are ill-defined and maybe there
with multifocal consolidations ... of chronic consolidation ... of organizing pneumonia ... #Clinical #Radiology ... #CXR #Peripheral
Differential diagnosis of the reversed halo sign (RHS). AIA, angioinvasive aspergillosis; AIS, adenocarcinoma in situ; COP,
Differential diagnosis ... COP, cryptogenic organising ... , non-specific interstitial ... lesions, lobular consolidation ... #Radiology #RHS
Congestive heart failure
The findings are:
 - bilateral perihilar consolidation with air bronchograms and ill-defined borders
 -
findings are: - bilateral ... perihilar consolidation ... size - subtle interstitial ... #Clinical #Radiology ... #CXR #CHF #RadiologyAssistant
CT will also demonstrate signs of congestive heart failure.
On the image on the left notice the
septal lines due to interstitial ... Bilateral pleural ... the differential diagnostic ... a precursor of consolidation ... #Clinical #Radiology