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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 ... low attenuation pattern ... #Pulmonary #CTChest ... Differential #Diagram #Comparison ... Emphysema #SignetRing #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
Here are the most common examples of these four patterns on a chest x-ray (click image
of these four patterns ... Consolidation - Lobar ... mass - Solitary Pulmonary ... #CXR #Consolidation ... #Patterns #RadiologyAssistant
UIP
UIP is a histologic pattern of pulmonary fibrosis.
On a chest X-ray UIP manifests as a reticular
is a histologic pattern ... of pulmonary fibrosis ... as a reticular pattern ... This pattern was ... RadiologyAssistant
The CXR demonstrates a reticular interstitial pattern with a preference at the lung bases.
The HRCT demonstrates
reticular interstitial pattern ... preference at the lung ... #Clinical #Radiology ... #Interstitial #Pattern ... TractionBronchiectasis #RadiologyAssistant
Whenever you see an area of increased density within the lung, it must be the result
of these four patterns ... substances resulting in lobar ... #Diagnosis #Radiology ... #CXR #Consolidation ... #Patterns #RadiologyAssistant
Differential diagnosis
The table summarizes the most common diseases, that present with consolidation.
Chronic diseases are indicated in
to look at the pattern ... more than one pattern ... #Diagnosis #Radiology ... #Pulmonary #CXR ... Differential #Table #RadiologyAssistant
Lobar atelectasis or lobar collaps is an important finding on a chest x-ray and has a
Lobar atelectasis ... #Diagnosis #Radiology ... #CXR #Lobar #Collapse ... #Patterns #Comparison ... #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 ... #Pulmonary #HRCT ... NodularPattern #Nodular #Pattern ... Perilymphatic #Comparison
On the left a patient who is treated with cytotoxic drugs for a hematologic malignancy.
The radiographic
bronchiectasis and subtle honeycombing ... like idiopathic pulmonary ... patients with a UIP pattern ... or NSIP pattern ... consider drug-related lung