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Here are the most common examples of these four patterns on a chest x-ray (click image
patterns on a chest ... Reticular interstitial ... Atelectasis #Diagnosis #Clinical ... #Radiology #CXR ... #Patterns #RadiologyAssistant
The CXR demonstrates a reticular interstitial pattern with a preference at the lung bases.
The HRCT demonstrates
preference at the lung bases ... #Clinical #Radiology ... #CXR #UIP #CTChest ... #Reticular #Interstitial ... TractionBronchiectasis #RadiologyAssistant
Honeycombing represents the second reticular pattern recognizable on HRCT.
Because of the cystic appearance, honeycombing is also
the second reticular ... feature of usual interstitial ... #Clinical #Radiology ... #CTChest #Honeycombing ... UsualInterstitialPneumonia #RadiologyAssistant
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
The cystic pattern ... histiocytosis or honeycombing ... seen and in many cases ... #Diagnosis #Radiology ... #Differential #RadiologyAssistant
On the left a chest film of a patient with UIP due to IPF.
The findings on
appearance of honeycombing ... densities caused ... thick walls of the cysts ... #Clinical #Radiology ... #ILD #RadiologyAssistant
UIP
UIP is a histologic pattern of pulmonary fibrosis.
On a chest X-ray UIP manifests as a reticular
On a chest X-ray ... manifests as a reticular ... #Clinical #Radiology ... #Interstitial # ... #RadiologyAssistant
Cystic versus Reticular
It can be difficult to determine whether we are dealing with a reticular pattern
Cystic versus Reticular ... #Clinical #Radiology ... #CXR #CTChest # ... Cystic #Interstitial ... LangerhansCellHistiocytosis #LCH #RadiologyAssistant
Differential diagnosis of Lymphangiomyomatosis:
Langerhans cell histiocytosis: > 90% are smokers, cysts have irregular shapes and the
Lymphoid interstitial ... gren syndrome. ... #Clinical #Radiology ... #CTChest #Lymphangiomyomatosis ... #LAM #Cystic #RadiologyAssistant
The case on the left shows subpleural honeycomb cysts in several contiguous layers.
There is also a
subpleural honeycomb cysts ... typical for Usual Interstitial ... #Clinical #Radiology ... #CTChest #UIP # ... #RadiologyAssistant
Key findings in alveolar proteinosis
- Crazy paving pattern: reticular pattern superimposed on ground glass opacification.
- Opacifications
paving pattern: reticular ... ground glass to consolidation ... transported to the interstitium ... #Clinical #Radiology ... #CTChest #AlveolarProteinosis