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The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
The fourth pattern ... diseases with a ... Diagnosis #Radiology #Pulmonary ... Differential #Diagram #Comparison ... Emphysema #SignetRing #RadiologyAssistant
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
On a CXR the most ... When the cysts have ... on a CXR. ... Diagnosis #Radiology #Pulmonary ... #RadiologyAssistant
There is a hydropneumothorax.
Notice the air-fluid level (blue arrow).
The upper lobe is still attached to the
There is a lung ... LAM is a rare lung ... airways leading to pulmonary ... Clinical #Radiology #CXR ... Lymphangioleiomyomatosis #LAM #RadiologyAssistant
Cavities frequently arise within a mass or an area of consolidation as a result of necrosis.
We
consolidation as a ... the surrounding lung ... associated pulmonary ... #Emphysema #Comparison ... #RadiologyAssistant
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
diseases with a ... before the typical cysts ... Diagnosis #Radiology #Pulmonary ... #Differential #Comparison ... #Table #RadiologyAssistant
Algorithm for Diagnosis of Diffuse Cystic Lung Disease (DCLD)
Round, smooth cysts with normal lung parenchyma in
Algorithm for Diagnosis ... parenchyma in a ... pleura & vessels in a ... pattern not consistent ... Disease #DCLD #pulmonary
UIP
UIP is a histologic pattern of pulmonary fibrosis.
On a chest X-ray UIP manifests as a reticular
pattern of pulmonary ... Here a CXR with ... a reticular pattern ... at the lung bases ... #Honeycombing #RadiologyAssistant
Stage I - Redistribution
In a normal chest film with the patient standing erect, the pulmonary vessels
supplying the upper lung ... supplying the lung ... In these cases comparison ... Clinical #Radiology #CXR ... Redistribution #RadiologyAssistant
PA view
On the PA chest-film it is important to examine all the areas where the lung
the silhouette sign ... #Clinical #Anatomy ... #Radiology #CXR ... ParatrachealStripe #RadiologyAssistant ... ParaAorticLine #PAView #RadiologyAssistant
The distribution of nodules shown on HRCT is the most important factor in making an accurate
in the nodular pattern ... structures of the lung ... Diagnosis #Radiology #Pulmonary ... Perilymphatic #Comparison ... #Diagram #RadiologyAssistant