23 results
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
- Emphysema - Lung ... cysts (LAM, LIP ... #Diagnosis #Radiology ... #Pulmonary #CTChest ... #Differential #Diagram
CAVITY – a useful mnemonic for the causes of a cavitating lung mass.

C = cancer
of a cavitating lung ... carcinoma : most frequently ... metastasis : again most frequently ... - bronchogenic cyst ... #Differential #Lung
Cavities frequently arise within a mass or an area of consolidation as a result of necrosis.
We
Cavities frequently ... the surrounding lung ... Cysts occur without ... associated pulmonary ... Clinical #Diagnosis #Radiology
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
in interstitial lung ... is interstitial lung ... When the cysts have ... #Diagnosis #Radiology ... #Pulmonary #CXR
There is a hydropneumothorax.
Notice the air-fluid level (blue arrow).
The upper lobe is still attached to the
There is a lung ... cyst in the upper ... airways leading to pulmonary ... cyst formation ... #Clinical #Radiology
Radiologists use many terms to describe areas of decreased density or lucencies within the lung, like
lucencies within the lung ... , like cyst, cavity ... density in the lung ... #Lung #Pulmonary ... #Diagnosis #Radiology
Tree-in-bud
In centrilobular nodules the recognition of 'tree-in-bud' is of value for narrowing the differential diagnosis.
Tree-in-bud describes
identified in the lung ... Diagnosis #Pathophys #Radiology ... #Pulmonary #CTChest ... #TreeInBud #Diagram
Batwing
A bilateral perihilar distribution of consolidation is also called a Batwing distribution.
The sparing of the periphery
periphery of the lung ... most typical of pulmonary ... It is frequently ... seen in chronic lung ... #Diagnosis #Radiology
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
responses of the lung ... involvement of the lung ... order of relative frequency ... #Diagnosis #Radiology ... #Pulmonary #CTChest
More than 100 entities manifest as diffuse lung disease.
Fortunately only about 10 of these account for
manifest as diffuse lung ... of all diffuse lung ... HRCT-presentations of these frequently ... #Diagnosis #Radiology ... #Pulmonary #SHITFACED