8 results
Mosaic attenuation
The term 'mosaic attenuation' is used to describe density differences between affected and non-affected lung
Mosaic attenuation ... areas. ... There are patchy areas ... disease #Diagnosis #Radiology ... #Pulmonary #CTChest
Head Cheese Sign on Chest CT
 • Juxtaposition of distinct radiographic areas of low, normal and
distinct radiographic areas ... normal and high attenuation ... Cheese #Sign #CT #Lung ... #Pulmonary #diagnosis ... #radiology #clinical
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
responses of the lung ... listed in the table ... #Diagnosis #Radiology ... #Pulmonary #CTChest ... IdiopathicInterstitialPneumonia #ILD
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
in interstitial lung ... , high and low attenuation ... (table). ... #Diagnosis #Radiology ... #Pulmonary #CXR
Radiologists use many terms to describe areas of decreased density or lucencies within the lung, like
terms to describe areas ... we describe a chest ... #Differential #Table ... #Pulmonary #Diagnosis ... #Radiology
Basic Interpretation
A structured approach to interpretation of HRCT involves the following questions:
What is the dominant HR-pattern:
reticular
nodular
high
consolidation) low attenuation ... bronchiectasis) #Diagnosis #Radiology ... #Pulmonary #HRCT ... #CTChest #Interpretation ... #Algorithm #ILD
On the left a typical case of panlobular emphysema.
There is uniform destruction of the underlying architecture
to widespread areas ... abnormally low attenuation ... the other hand, mild ... #Clinical #Radiology ... #CTChest #Panlobular
Preoperative Risk Evaluation

Major Pre-Op Questions:
1. Does the patient have any modifiable risk factors that could be
murmur 3/6) - Pulmonary ... event, follow ACC algorithm ... days before Pulmonary ... change CV risk Chest ... unless prior heart/lung