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The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
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- Lung cysts (LAM ... #Diagnosis #Radiology ... #Pulmonary #CTChest ... Differential #Diagram #Comparison ... #RadiologyAssistant
Radiologists use many terms to describe areas of decreased density or lucencies within the lung, like
, bulla, honeycombing ... since in many cases ... we describe a chest ... #Lung #Pulmonary ... #Diagnosis #Radiology
Honeycombing is defined by the presence of small cystic spaces with irregularly thickened walls composed of
and subpleural lung ... regardless of their cause ... from paraseptal emphysema ... #Diagnosis #Radiology ... #Pulmonary #Honeycombing
Cavities frequently arise within a mass or an area of consolidation as a result of necrosis.
We
the surrounding lung ... associated pulmonary ... Clinical #Diagnosis #Radiology ... #Emphysema #Comparison ... #RadiologyAssistant
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
in interstitial lung ... histiocytosis or honeycombing ... #Diagnosis #Radiology ... #Pulmonary #CXR ... #Differential #RadiologyAssistant
UIP
UIP is a histologic pattern of pulmonary fibrosis.
On a chest X-ray UIP manifests as a reticular
histologic pattern of pulmonary ... On a chest X-ray ... pattern at the lung ... #Clinical #Radiology ... #RadiologyAssistant
Stage I - Redistribution
In a normal chest film with the patient standing erect, the pulmonary vessels
supplying the lung ... non-perfused vessels and causes ... In these cases comparison ... #Clinical #Radiology ... Redistribution #RadiologyAssistant
On the left a chest film of a patient with UIP due to IPF.
The findings on
changes in the basal lung ... appearance of honeycombing ... reticular densities caused ... thick walls of the cysts ... #Clinical #Radiology
Lung infarction
In pulmonar embolism it is not common to see consolidation.
The consolidation is a result of
In this case a lung ... cyst has formed ... has caused a triangular ... #Clinical #Radiology ... PulmonaryEmbolism #RadiologyAssistant