16 results
Low Attenuation pattern 
1. Lymphangiomyomatosis (LAM): uniform cysts in woman of child-bearing age; no history of
Centrilobular emphysema ... low attenuation areas ... #Clinical #Radiology ... #HRCT #CTChest ... #Comparison #Table
Low Attenuation pattern (2) 
1. Centrilobular emphysema: low attenuation areas without walls. Notice the centrilobular artery
Centrilobular emphysema ... low attenuation areas ... #Clinical #Radiology ... #HRCT #CTChest ... #Comparison #Table
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
lung disease comes ... from HRCT. ... low attenuation (table ... lung disease and ... #Diagnosis #Radiology
High Attenuation pattern 
1. Chronic eosinophilic pneumonia with peripheral areas of ground glass opacity.
2. Sarcoid end-stage
with peripheral areas ... presenting as areas ... with peripheral areas ... #HRCT #CTChest ... #Comparison #Table
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
listed in the table ... morphologic findings on HRCT ... #Diagnosis #Radiology ... #Pulmonary #CTChest ... IdiopathicInterstitialPneumonia #ILD
Lung abnormalities mostly present as areas of increased density, which can be divided into the following
mostly present as areas ... solitary or multiple Interstitial ... Less frequently areas ... are seen as in emphysema ... #CXR #Lung #Patterns
Radiologists use many terms to describe areas of decreased density or lucencies within the lung, like
terms to describe areas ... pneumatocele, emphysema ... we describe a chest ... is to describe areas ... #Differential #Table
Notice the honeycombing and the preference of the subpleural and basal lung areas. #Clinical #Radiology #CTChest
subpleural and basal lung ... areas. ... #CTChest #UIP # ... UsualInterstitialPneumonitis #Usual #Interstitial ... #Pneumonitis #ILD
Palpable Skin Crepitus on Physical Exam

Notice these air bubbles under the skin. An 86-year-old woman with
An 86-year-old woman ... neck (shown in video ... travels from these areas ... and perivascular interstitium ... in subcutaneous areas
Notice the honeycombing and the preference of the subpleural and basal lung areas. #Clinical #Radiology #CTChest
subpleural and basal lung ... areas. ... #CTChest #UIP # ... UsualInterstitialPneumonitis #Usual #Interstitial ... LowerLungPredominance #ILD