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CAVITY – a useful mnemonic for the causes of a cavitating lung mass.

C = cancer
mnemonic for the causes ... of a cavitating lung ... mass. ... - bronchogenic cyst ... #Diagnosis #
Radiologists use many terms to describe areas of decreased density or lucencies within the lung, like
, like cyst, cavity ... since in many cases ... visible wall #CXR ... #Cyst #Lung #Pulmonary ... #Diagnosis #Radiology
Cavities frequently arise within a mass or an area of consolidation as a result of necrosis.
We
arise within a mass ... the surrounding lung ... #Radiology #CTChest ... #Cavity #Cyst # ... Emphysema #Comparison #RadiologyAssistant
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
Differential diagnosis ... in interstitial lung ... When the cysts have ... seen and in many cases ... #Differential #RadiologyAssistant
There is a hydropneumothorax.
Notice the air-fluid level (blue arrow).
The upper lobe is still attached to the
cyst in the upper ... is a possible diagnosis ... leading to pulmonary cyst ... Clinical #Radiology #CXR ... Lymphangioleiomyomatosis #LAM #RadiologyAssistant
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 ... Clinical #Radiology #CXR ... #CTChest #LungInfarct ... PulmonaryEmbolism #RadiologyAssistant
On the left a chest film of a patient with UIP due to IPF.
The findings on
changes in the basal lung ... reticular densities caused ... thick walls of the cysts ... Clinical #Radiology #CXR ... Reticular #ILD #RadiologyAssistant
There is a hydropneumothorax.
Notice the air-fluid level.
The upper lobe is still attached to the chest wall
cyst in the upper ... is a possible diagnosis ... leading to pulmonary cyst ... Clinical #Radiology #CXR ... Lymphangioleiomyomatosis #LAM #RadiologyAssistant
On the left a chest film of a 19 year old patient with Langerhans cell histiocytosis.
The
this pattern was caused ... by multiple cysts ... challenging differential diagnosis ... Clinical #Radiology #CXR ... #CTChest #LCH #
Rib fractures on POCUS 
1. look for a discontinuity at the site of pain and tenderness
US beats CXR on ... time, cost, accuracy ... beyond a clinical diagnosis ... orient in line on long ... course based on chest