21 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
High Attenuation pattern 
1. Chronic eosinophilic pneumonia with peripheral areas of ground glass opacity.
2. Sarcoid end-stage
with peripheral areas ... presenting as areas ... consolidation #Clinical ... #CTChest #HighAttenuation ... #Table #RadiologyAssistant
Radiologists use many terms to describe areas of decreased density or lucencies within the lung, like
terms to describe areas ... since in many cases ... we describe a chest ... is to describe areas ... #Differential #Table
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
in interstitial lung ... low attenuation (table ... seen and in many cases ... UIP can be suspected ... #Diagnosis #Radiology
Palpable Skin Crepitus on Physical Exam

Notice these air bubbles under the skin. An 86-year-old woman with
sudden-onset shortness of breath ... and spaces can cause ... travels from these areas ... in subcutaneous areas ... #PhysicalExam #Clinical
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The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
indicates unknown cause ... listed in the table ... findings of NSIP, UIP ... #Diagnosis #Radiology ... #Pulmonary #CTChest
Lung abnormalities mostly present as areas of increased density, which can be divided into the following
mostly present as areas ... Less frequently areas ... are seen as in emphysema ... published soon: Chest ... #CXR #Lung #Patterns
UIP
UIP is a histologic pattern of pulmonary fibrosis.
On a chest X-ray UIP manifests as a reticular
On a chest X-ray ... particularly at the lung ... bases. ... at the lung bases ... #Clinical #Radiology
Notice the honeycombing and the preference of the subpleural and basal lung areas. #Clinical #Radiology #CTChest
subpleural and basal lung ... areas. ... #Clinical #Radiology ... #CTChest #UIP #